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Climate and Average Weather Year Round at Rogue Valley International - Medford Airport Oregon, United States

At Rogue Valley International - Medford Airport, the summers are short, hot, dry, and mostly clear and the winters are very cold, wet, and mostly cloudy. Over the course of the year, the temperature typically varies from 33°F to 93°F and is rarely below 23°F or above 102°F.

Based on the tourism score, the best time of year to visit Rogue Valley International - Medford Airport for warm-weather activities is from early July to late August.

Climate at Rogue Valley International - Medford Airport

coldcoolwarmhotwarmcoolcoldJanFebMarAprMayJunJulAugSepOctNovDecNowNow87%87%29%29%clearovercastprecipitation: 6.5 inprecipitation: 6.5 in0.2 in0.2 inmuggy: 0%muggy: 0%0%0%drydrytourism score: 7.6tourism score: 7.60.10.1
Rogue Valley International - Medford Airport weather by month. Click on each chart for more information.

The hot season lasts for 2.9 months, from June 20 to September 17, with an average daily high temperature above 84°F. The hottest month of the year at Rogue Valley International - Medford Airport is July, with an average high of 91°F and low of 59°F.

The cool season lasts for 3.3 months, from November 11 to February 20, with an average daily high temperature below 56°F. The coldest month of the year at Rogue Valley International - Medford Airport is December, with an average low of 33°F and high of 47°F.

Average High and Low Temperature at Rogue Valley International - Medford Airport

Average High and Low Temperature at Rogue Valley International - Medford AirporthotcoolcoolJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°F110°F110°FDec 2246°FDec 2246°FAug 393°FAug 393°F33°F33°F59°F59°FJun 2084°FJun 2084°FSep 1784°FSep 1784°FNov 1156°FNov 1156°FFeb 2056°FFeb 2056°F54°F54°F51°F51°F39°F39°F36°F36°FNowNow
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.
AverageJanFebMarAprMayJunJulAugSepOctNovDec
High 49°F55°F60°F66°F74°F82°F91°F91°F84°F70°F54°F47°F
Temp. 39°F43°F47°F52°F59°F66°F74°F73°F66°F55°F44°F38°F
Low 33°F35°F38°F42°F48°F53°F59°F58°F51°F43°F38°F33°F

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature at Rogue Valley International - Medford Airport

Average Hourly Temperature at Rogue Valley International - Medford AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNowNowvery coldvery coldcoldcoldcoolcomfortablecomfortablewarmhot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Benalúa de las Villas, Spain (5,735 miles away) is the far-away foreign place with temperatures most similar to Rogue Valley International - Medford Airport (view comparison).

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At Rogue Valley International - Medford Airport, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year.

The clearer part of the year at Rogue Valley International - Medford Airport begins around June 11 and lasts for 4.0 months, ending around October 11.

The clearest month of the year at Rogue Valley International - Medford Airport is August, during which on average the sky is clear, mostly clear, or partly cloudy 84% of the time.

The cloudier part of the year begins around October 11 and lasts for 8.0 months, ending around June 11.

The cloudiest month of the year at Rogue Valley International - Medford Airport is December, during which on average the sky is overcast or mostly cloudy 69% of the time.

Cloud Cover Categories at Rogue Valley International - Medford Airport

Cloud Cover Categories at Rogue Valley International - Medford AirportclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Aug 387%Aug 387%Nov 2929%Nov 2929%Jun 1157%Jun 1157%Oct 1159%Oct 1159%NowNowclearpartly cloudymostly cloudyovercastmostly clear
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.
FractionJanFebMarAprMayJunJulAugSepOctNovDec
Cloudier 69%67%66%61%54%37%17%16%25%46%67%69%
Clearer 31%33%34%39%46%63%83%84%75%54%33%31%

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Rogue Valley International - Medford Airport varies significantly throughout the year.

The wetter season lasts 6.2 months, from October 22 to April 29, with a greater than 25% chance of a given day being a wet day. The month with the most wet days at Rogue Valley International - Medford Airport is December, with an average of 13.4 days with at least 0.04 inches of precipitation.

The drier season lasts 5.8 months, from April 29 to October 22. The month with the fewest wet days at Rogue Valley International - Medford Airport is August, with an average of 1.2 days with at least 0.04 inches of precipitation.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The month with the most days of rain alone at Rogue Valley International - Medford Airport is November, with an average of 12.1 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 45% on November 29.

Daily Chance of Precipitation at Rogue Valley International - Medford Airport

Daily Chance of Precipitation at Rogue Valley International - Medford AirportwetwetdryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Nov 2947%Nov 2947%Aug 32%Aug 32%Oct 2225%Oct 2225%Apr 2925%Apr 2925%NowNowrainmixed
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).
Days ofJanFebMarAprMayJunJulAugSepOctNovDec
Rain 11.2d11.0d11.8d9.1d6.5d3.3d1.3d1.2d2.9d6.4d12.1d12.3d
Mixed 0.9d0.5d0.2d0.1d0.0d0.0d0.0d0.0d0.0d0.0d0.4d0.9d
Snow 0.3d0.1d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.3d
Any 12.4d11.6d12.0d9.2d6.5d3.3d1.3d1.2d2.9d6.4d12.5d13.4d

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Rogue Valley International - Medford Airport experiences extreme seasonal variation in monthly rainfall.

The rainy period of the year lasts for 9.6 months, from September 4 to June 24, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain at Rogue Valley International - Medford Airport is December, with an average rainfall of 6.1 inches.

The rainless period of the year lasts for 2.4 months, from June 24 to September 4. The month with the least rain at Rogue Valley International - Medford Airport is August, with an average rainfall of 0.2 inches.

Average Monthly Rainfall at Rogue Valley International - Medford Airport

Average Monthly Rainfall at Rogue Valley International - Medford AirportrainrainJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 in14 in14 inDec 66.4 inDec 66.4 inJul 300.2 inJul 300.2 inSep 40.5 inSep 40.5 inJun 240.5 inJun 240.5 inNowNow
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall 4.8″4.3″3.7″2.4″1.4″0.7″0.3″0.2″0.8″2.4″5.3″6.1″

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Rogue Valley International - Medford Airport experiences some seasonal variation in monthly snowfall.

The snowy period of the year lasts for 1.6 months, from December 5 to January 24, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow at Rogue Valley International - Medford Airport is December, with an average snowfall of 1.3 inches.

The snowless period of the year lasts for 10 months, from January 24 to December 5. The least snow falls around July 13, with an average total accumulation of 0.0 inches.

Average Monthly Snowfall at Rogue Valley International - Medford Airport

Average Monthly Snowfall at Rogue Valley International - Medford AirportsnowJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 in7 in7 inDec 281.5 inDec 281.5 inJul 130.0 inJul 130.0 inJan 241.0 inJan 241.0 inNowNow
The average snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average rainfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Snowfall 1.2″0.5″0.1″0.0″0.0″0.0″0.0″0.0″0.0″0.0″0.4″1.3″

The length of the day at Rogue Valley International - Medford Airport varies significantly over the course of the year. In 2024, the shortest day is December 21, with 9 hours, 4 minutes of daylight; the longest day is June 20, with 15 hours, 17 minutes of daylight.

Hours of Daylight and Twilight at Rogue Valley International - Medford Airport

Hours of Daylight and Twilight at Rogue Valley International - Medford AirportJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 8 minMar 1912 hr, 8 minMar 1915 hr, 17 minJun 2015 hr, 17 minJun 2012 hr, 11 minSep 2212 hr, 11 minSep 229 hr, 5 minDec 219 hr, 5 minDec 21nightnightdayNowNow
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.
Hours ofJanFebMarAprMayJunJulAugSepOctNovDec
Daylight 9.5h10.6h12.0h13.4h14.6h15.2h14.9h13.8h12.4h11.0h9.8h9.1h

The earliest sunrise is at 5:34 AM on June 14, and the latest sunrise is 2 hours, 13 minutes later at 7:46 AM on November 2. The earliest sunset is at 4:38 PM on December 8, and the latest sunset is 4 hours, 14 minutes later at 8:52 PM on June 26.

Daylight saving time (DST) is observed at Rogue Valley International - Medford Airport during 2024, starting in the spring on March 10, lasting 7.8 months, and ending in the fall on November 3.

Sunrise & Sunset with Twilight and Daylight Saving Time at Rogue Valley International - Medford Airport

Sunrise & Sunset with Twilight and Daylight Saving Time at Rogue Valley International - Medford AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 145:34 AMJun 145:34 AM8:52 PMJun 268:52 PMJun 26Dec 84:38 PMDec 84:38 PM7:46 AMNov 27:46 AMNov 2Mar 10DSTMar 10DSTDSTNov 3DSTNov 3daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of the year 2024. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth at Rogue Valley International - Medford Airport

Solar Elevation and Azimuth at Rogue Valley International - Medford AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AM0001010101020202030303040405050606000010101020202020303040405050602471NowNow
northeastsouthwest
Solar elevation and azimuth over the course of the year 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.

Moon Rise, Set & Phases at Rogue Valley International - Medford Airport

The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The perceived humidity level at Rogue Valley International - Medford Airport, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout.

Humidity Comfort Levels at Rogue Valley International - Medford Airport

Humidity Comfort Levels at Rogue Valley International - Medford AirportJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jan 160%Jan 160%Jul 230%Jul 230%NowNowdrydrycomfortablecomfortable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.
JanFebMarAprMayJunJulAugSepOctNovDec
Muggy days 0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Rogue Valley International - Medford Airport experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 4.1 months, from November 7 to March 10, with average wind speeds of more than 4.2 miles per hour. The windiest month of the year at Rogue Valley International - Medford Airport is December, with an average hourly wind speed of 4.7 miles per hour.

The calmer time of year lasts for 7.9 months, from March 10 to November 7. The calmest month of the year at Rogue Valley International - Medford Airport is August, with an average hourly wind speed of 3.6 miles per hour.

Average Wind Speed at Rogue Valley International - Medford Airport

Average Wind Speed at Rogue Valley International - Medford AirportwindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mphDec 194.7 mphDec 194.7 mphAug 93.6 mphAug 93.6 mphNov 74.2 mphNov 74.2 mphMar 104.2 mphMar 104.2 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Wind Speed (mph) 4.74.44.13.93.73.73.73.63.73.94.34.7

The predominant average hourly wind direction at Rogue Valley International - Medford Airport varies throughout the year.

The wind is most often from the south for 1.8 months, from February 3 to March 28 and for 1.4 months, from October 25 to December 6, with a peak percentage of 42% on February 25. The wind is most often from the north for 4.4 months, from May 15 to September 26, with a peak percentage of 52% on July 15. The wind is most often from the east for 4.1 weeks, from September 26 to October 25 and for 1.9 months, from December 6 to February 3, with a peak percentage of 32% on October 18.

Wind Direction at Rogue Valley International - Medford Airport

Wind Direction at Rogue Valley International - Medford AirportESWNESEJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsoutheastnorth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

To characterize how pleasant the weather is at Rogue Valley International - Medford Airport throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Rogue Valley International - Medford Airport for general outdoor tourist activities is from early July to late August, with a peak score in the last week of July.

Tourism Score at Rogue Valley International - Medford Airport

Tourism Score at Rogue Valley International - Medford Airportbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810107.67.60.10.1NowNowtemperaturetemperature cloudscloudsprecipitationprecipitationtourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Rogue Valley International - Medford Airport for hot-weather activities is from mid July to mid August, with a peak score in the last week of July.

Beach/Pool Score at Rogue Valley International - Medford Airport

Beach/Pool Score at Rogue Valley International - Medford AirportJanFebMarAprMayJunJulAugSepOctNovDec002244668810104.24.20.00.0NowNowtemperaturetemperaturecloudscloudsprecipitationprecipitationbeach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season at Rogue Valley International - Medford Airport typically lasts for 6.7 months (206 days), from around April 6 to around October 29, rarely starting before March 11 or after May 2, and rarely ending before October 11 or after November 17.

Time Spent in Various Temperature Bands and the Growing Season at Rogue Valley International - Medford Airport

Time Spent in Various Temperature Bands and the Growing Season at Rogue Valley International - Medford Airportgrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Apr 650%Apr 650%Oct 2950%Oct 2990%May 290%May 290%Oct 1190%Oct 1110%Mar 1110%Mar 1110%Nov 1710%Nov 170%Dec 230%Dec 23Jul 23100%Jul 23100%freezingvery coldcoldcoolcomfortablewarmhot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Based on growing degree days alone, the first spring blooms at Rogue Valley International - Medford Airport should appear around March 20, only rarely appearing before March 4 or after April 9.

Growing Degree Days at Rogue Valley International - Medford Airport

Growing Degree Days at Rogue Valley International - Medford AirportJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°F3,500°F3,500°FMar 2089°FMar 2089°FJun 21900°FJun 21900°FAug 21,800°FAug 21,800°FDec 313,168°FDec 313,168°F
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.1 months, from May 21 to August 24, with an average daily incident shortwave energy per square meter above 6.8 kWh. The brightest month of the year at Rogue Valley International - Medford Airport is July, with an average of 8.0 kWh.

The darker period of the year lasts for 3.7 months, from October 28 to February 19, with an average daily incident shortwave energy per square meter below 2.8 kWh. The darkest month of the year at Rogue Valley International - Medford Airport is December, with an average of 1.5 kWh.

Average Daily Incident Shortwave Solar Energy at Rogue Valley International - Medford Airport

Average Daily Incident Shortwave Solar Energy at Rogue Valley International - Medford AirportbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWh10 kWh10 kWhJul 138.1 kWhJul 138.1 kWhDec 151.5 kWhDec 151.5 kWhMay 216.8 kWhMay 216.8 kWhAug 246.8 kWhAug 246.8 kWhOct 282.8 kWhOct 282.8 kWhFeb 192.8 kWhFeb 192.8 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Solar Energy (kWh) 1.82.74.05.46.67.68.07.15.53.62.01.5

For the purposes of this report, the geographical coordinates of Rogue Valley International - Medford Airport are 42.370 deg latitude, -122.873 deg longitude, and 1,312 ft elevation.

The topography within 2 miles of Rogue Valley International - Medford Airport contains only modest variations in elevation, with a maximum elevation change of 404 feet and an average elevation above sea level of 1,322 feet. Within 10 miles contains only modest variations in elevation (3,278 feet). Within 50 miles contains large variations in elevation (8,907 feet).

The area within 2 miles of Rogue Valley International - Medford Airport is covered by artificial surfaces (38%), shrubs (37%), and grassland (16%), within 10 miles by shrubs (55%) and cropland (20%), and within 50 miles by trees (53%) and shrubs (40%).

This report illustrates the typical weather at Rogue Valley International - Medford Airport, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

Rogue Valley International - Medford Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back are Sexton Summit,, Siskiyou County Airport, Roseburg Municipal Airport, Klamath Falls Airport, Mount Shasta, Brookings Airport, Jack Mc Namara Field, and Southwest Oregon Regional Airport.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

Please review our full terms contained on our Terms of Service page.