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Climate and Average Weather Year Round in Rochester New York, United States

In Rochester, the summers are warm and partly cloudy and the winters are freezing, snowy, windy, and mostly cloudy. Over the course of the year, the temperature typically varies from 18°F to 80°F and is rarely below 3°F or above 88°F.

Based on the tourism score, the best time of year to visit Rochester for warm-weather activities is from late June to early September.

Climate in Rochester

very coldcoldcoolwarmcoolcoldvery coldJanFebMarAprMayJunJulAugSepOctNovDecNowNow66%66%31%31%clearovercastprecipitation: 2.8 inprecipitation: 2.8 in1.2 in1.2 inmuggy: 32%muggy: 32%0%0%drydrytourism score: 6.9tourism score: 6.90.00.0
Rochester weather by month. Click on each chart for more information.

The warm season lasts for 3.6 months, from May 29 to September 18, with an average daily high temperature above 70°F. The hottest month of the year in Rochester is July, with an average high of 80°F and low of 63°F.

The cold season lasts for 3.3 months, from December 4 to March 13, with an average daily high temperature below 41°F. The coldest month of the year in Rochester is January, with an average low of 20°F and high of 32°F.

Average High and Low Temperature in Rochester

Average High and Low Temperature in RochesterwarmcoldcoldJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FJan 2931°FJan 2931°FJul 2080°FJul 2080°F18°F18°F63°F63°FMay 2970°FMay 2970°FSep 1870°FSep 1870°FDec 441°FDec 441°FMar 1341°FMar 1341°F53°F53°F55°F55°F30°F30°F26°F26°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 32°F34°F43°F56°F67°F75°F80°F78°F71°F59°F48°F38°F
Temp. 26°F27°F34°F46°F57°F66°F71°F70°F62°F51°F41°F31°F
Low 20°F21°F28°F39°F49°F58°F63°F62°F55°F44°F35°F26°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 in Rochester

Average Hourly Temperature in RochesterJanFebMarAprMayJunJulAugSepOctNovDec12 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 AMNowNowfreezingvery coldcoldcoldcoolcomfortablewarmvery coldfreezing
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.

Stavropol’, Russia (5,308 miles away); Edremit, Turkey (5,702 miles); and Ōmachi, Japan (6,506 miles) are the far-away foreign places with temperatures most similar to Rochester (view comparison).

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Marker
© Esri, et al.

Compare Rochester to another city:

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In Rochester, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Rochester begins around May 6 and lasts for 6.0 months, ending around November 5.

The clearest month of the year in Rochester is August, during which on average the sky is clear, mostly clear, or partly cloudy 65% of the time.

The cloudier part of the year begins around November 5 and lasts for 6.0 months, ending around May 6.

The cloudiest month of the year in Rochester is January, during which on average the sky is overcast or mostly cloudy 68% of the time.

Cloud Cover Categories in Rochester

Cloud Cover Categories in RochesterclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Aug 966%Aug 966%Jan 1131%Jan 1131%May 648%May 648%Nov 549%Nov 549%NowNowclearmostly clearpartly cloudymostly cloudyovercast
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 68%65%58%53%51%45%38%35%38%45%55%64%
Clearer 32%35%42%47%49%55%62%65%62%55%45%36%

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Rochester varies throughout the year.

The wetter season lasts 8.1 months, from March 21 to November 25, with a greater than 26% chance of a given day being a wet day. The month with the most wet days in Rochester is June, with an average of 10.0 days with at least 0.04 inches of precipitation.

The drier season lasts 3.9 months, from November 25 to March 21. The month with the fewest wet days in Rochester is February, with an average of 5.0 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 in Rochester is June, with an average of 10.0 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 36% on June 14.

Daily Chance of Precipitation in Rochester

Daily Chance of Precipitation in RochesterwetdrydryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jun 1436%Jun 1436%Jan 2916%Jan 2916%Jan 122%Jan 122%Mar 2126%Mar 2126%NowNowrainsnowmixed
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 2.6d2.3d5.1d7.9d9.4d10.0d10.2d9.8d9.4d9.7d7.1d4.7d
Mixed 2.1d1.7d1.2d0.2d0.0d0.0d0.0d0.0d0.0d0.0d0.4d1.7d
Snow 0.9d1.0d1.0d0.3d0.0d0.0d0.0d0.0d0.0d0.0d0.6d1.0d
Any 5.7d5.0d7.4d8.4d9.4d10.0d10.2d9.8d9.4d9.8d8.1d7.3d

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. Rochester experiences significant seasonal variation in monthly rainfall.

Rain falls throughout the year in Rochester. The month with the most rain in Rochester is September, with an average rainfall of 2.8 inches.

The month with the least rain in Rochester is February, with an average rainfall of 0.7 inches.

Average Monthly Rainfall in Rochester

Average Monthly Rainfall in RochesterJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 in7 in7 inSep 282.8 inSep 282.8 inFeb 70.6 inFeb 70.6 inJun 62.6 inJun 62.6 inJul 272.6 inJul 272.6 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 0.8″0.7″1.2″2.1″2.4″2.6″2.5″2.5″2.8″2.6″2.0″1.3″

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Rochester experiences significant seasonal variation in monthly snowfall.

The snowy period of the year lasts for 5.0 months, from November 12 to April 12, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Rochester is February, with an average snowfall of 5.6 inches.

The snowless period of the year lasts for 7.0 months, from April 12 to November 12. The least snow falls around August 7, with an average total accumulation of 0.0 inches.

Average Monthly Snowfall in Rochester

Average Monthly Snowfall in RochestersnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 in14 in14 inFeb 265.9 inFeb 265.9 inAug 70.0 inAug 70.0 inNov 121.0 inNov 121.0 inApr 121.0 inApr 121.0 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 4.9″5.6″4.5″0.8″0.0″0.0″0.0″0.0″0.0″0.0″1.2″4.2″

The length of the day in Rochester varies significantly over the course of the year. In 2022, the shortest day is December 21, with 8 hours, 59 minutes of daylight; the longest day is June 21, with 15 hours, 23 minutes of daylight.

Hours of Daylight and Twilight in Rochester

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 9.4h10.6h12.0h13.5h14.7h15.3h15.0h13.8h12.4h11.0h9.7h9.0h

The earliest sunrise is at 5:30 AM on June 14, and the latest sunrise is 2 hours, 20 minutes later at 7:50 AM on November 5. The earliest sunset is at 4:35 PM on December 9, and the latest sunset is 4 hours, 19 minutes later at 8:54 PM on June 27.

Daylight saving time (DST) is observed in Rochester during 2022, starting in the spring on March 13, lasting 7.8 months, and ending in the fall on November 6.

Sunrise & Sunset with Twilight and Daylight Saving Time in Rochester

Sunrise & Sunset with Twilight and Daylight Saving Time in RochesterJanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 145:30 AMJun 145:30 AM8:54 PMJun 278:54 PMJun 27Dec 94:35 PMDec 94:35 PM7:50 AMNov 57:50 AMNov 5Mar 13DSTMar 13DSTDSTNov 6DSTNov 6daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of the year 2022. 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 key lunar data for 2022. 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 in Rochester

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.

Rochester experiences significant seasonal variation in the perceived humidity.

The muggier period of the year lasts for 3.4 months, from June 6 to September 19, during which time the comfort level is muggy, oppressive, or miserable at least 8% of the time. The month with the most muggy days in Rochester is July, with 8.9 days that are muggy or worse.

The least muggy day of the year is February 27, when muggy conditions are essentially unheard of.

Humidity Comfort Levels in Rochester

Humidity Comfort Levels in RochestermuggyJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Feb 270%Feb 270%Jul 2932%Jul 2932%Jun 68%Jun 68%Sep 198%Sep 198%NowNowmuggymuggyhumidhumidcomfortablecomfortabledrydry
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 0.0d0.0d0.0d0.0d0.7d4.1d8.9d7.8d2.9d0.2d0.0d0.0d

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 in Rochester experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 5.1 months, from November 1 to April 5, with average wind speeds of more than 8.5 miles per hour. The windiest month of the year in Rochester is January, with an average hourly wind speed of 11.2 miles per hour.

The calmer time of year lasts for 6.9 months, from April 5 to November 1. The calmest month of the year in Rochester is July, with an average hourly wind speed of 5.8 miles per hour.

Average Wind Speed in Rochester

Average Wind Speed in RochesterwindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph16 mph16 mph18 mph18 mphJan 1711.3 mphJan 1711.3 mphJul 295.7 mphJul 295.7 mphNov 18.5 mphNov 18.5 mphApr 58.5 mphApr 58.5 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) 11.210.79.47.96.45.95.85.96.77.99.110.3

The predominant average hourly wind direction in Rochester is from the west throughout the year.

Wind Direction in Rochester

Wind Direction in RochesterJanFebMarAprMayJunJulAugSepOctNovDec0%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).

Rochester is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 2.6 months, from July 4 to September 23, with an average temperature above 65°F. The month of the year in Rochester with the warmest water is August, with an average temperature of 71°F.

The time of year with cooler water lasts for 5.1 months, from December 14 to May 18, with an average temperature below 43°F. The month of the year in Rochester with the coolest water is March, with an average temperature of 36°F.

Average Water Temperature in Rochester

Average Water Temperature in RochesterwarmcoolJanFebMarAprMayJunJulAugSepOctNovDec30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°FAug 872°FAug 872°F36°FMar 636°FMar 6Jul 465°FJul 465°FSep 2365°FSep 2365°FDec 1443°FDec 1443°FMay 1843°FMay 1843°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature 39°F37°F36°F38°F43°F57°F68°F71°F66°F57°F49°F43°F

To characterize how pleasant the weather is in Rochester 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 Rochester for general outdoor tourist activities is from late June to early September, with a peak score in the second week of August.

Tourism Score in Rochester

Tourism Score in Rochesterbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.96.90.00.0NowNowprecipitationprecipitationcloudscloudstemperaturetemperature tourism 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 Rochester for hot-weather activities is from early July to mid August, with a peak score in the third week of July.

Beach/Pool Score in Rochester

Beach/Pool Score in RochesterJanFebMarAprMayJunJulAugSepOctNovDec002244668810105.15.10.00.0NowNowprecipitationprecipitationcloudscloudstemperaturetemperaturebeach/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 in Rochester typically lasts for 6.0 months (184 days), from around April 23 to around October 24, rarely starting before April 6 or after May 10, and rarely ending before October 4 or after November 11.

Time Spent in Various Temperature Bands and the Growing Season in Rochester

Time Spent in Various Temperature Bands and the Growing Season in Rochestergrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Apr 2350%Apr 2350%Oct 2450%Oct 2490%May 1090%May 1090%Oct 490%Oct 410%Apr 610%Apr 610%Nov 1110%Nov 110%Feb 50%Feb 5Jul 25100%Jul 25100%NowNowfreezingvery coldcoldcoolcomfortablewarmfrigidhot
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 in Rochester should appear around April 23, only rarely appearing before April 9 or after May 6.

Growing Degree Days in Rochester

Growing Degree Days in RochesterJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°FApr 2390°FApr 2390°FJul 1900°FJul 1900°FAug 141,800°FAug 141,800°FDec 312,680°FDec 312,680°FNowNow
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 3.6 months, from May 2 to August 22, with an average daily incident shortwave energy per square meter above 5.8 kWh. The brightest month of the year in Rochester is June, with an average of 6.8 kWh.

The darker period of the year lasts for 3.5 months, from November 1 to February 16, with an average daily incident shortwave energy per square meter below 2.4 kWh. The darkest month of the year in Rochester is December, with an average of 1.3 kWh.

Average Daily Incident Shortwave Solar Energy in Rochester

Average Daily Incident Shortwave Solar Energy in RochesterbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJun 296.9 kWhJun 296.9 kWhDec 251.3 kWhDec 251.3 kWhMay 25.8 kWhMay 25.8 kWhAug 225.8 kWhAug 225.8 kWhFeb 162.4 kWhFeb 162.4 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) 1.52.43.75.16.26.86.65.94.73.11.91.3

For the purposes of this report, the geographical coordinates of Rochester are 43.155 deg latitude, -77.616 deg longitude, and 502 ft elevation.

The topography within 2 miles of Rochester contains only modest variations in elevation, with a maximum elevation change of 374 feet and an average elevation above sea level of 511 feet. Within 10 miles contains only modest variations in elevation (558 feet). Within 50 miles contains significant variations in elevation (2,041 feet).

The area within 2 miles of Rochester is covered by artificial surfaces (100%), within 10 miles by artificial surfaces (64%) and trees (17%), and within 50 miles by water (37%) and cropland (32%).

This report illustrates the typical weather in Rochester, 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

There are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Rochester.

For each station, the records are corrected for the elevation difference between that station and Rochester according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Rochester is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Rochester and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Rochester and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

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 © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

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.