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Climate and Average Weather Year Round in Campbell River Canada

In Campbell River, the summers are short, comfortable, and partly cloudy and the winters are long, very cold, wet, and mostly cloudy. Over the course of the year, the temperature typically varies from 32°F to 76°F and is rarely below 20°F or above 86°F.

Based on the tourism score, the best time of year to visit Campbell River for warm-weather activities is from mid July to mid August.

Climate in Campbell River

very coldcoldcoolcomfortablewarmcoolcoldvery coldJanFebMarAprMayJunJulAugSepOctNovDecNowNow67%67%25%25%overcastclearprecipitation: 7.3 inprecipitation: 7.3 in1.0 in1.0 inmuggy: 0%muggy: 0%0%0%drydrytourism score: 6.7tourism score: 6.70.00.0
Campbell River weather by month. Click on each chart for more information.

The warm season lasts for 2.7 months, from June 20 to September 10, with an average daily high temperature above 69°F. The hottest month of the year in Campbell River is July, with an average high of 74°F and low of 56°F.

The cold season lasts for 3.8 months, from November 10 to March 3, with an average daily high temperature below 48°F. The coldest month of the year in Campbell River is December, with an average low of 32°F and high of 41°F.

Average High and Low Temperature in Campbell River

Average High and Low Temperature in Campbell RiverwarmcoldcoldJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FDec 3040°FDec 3040°FAug 176°FAug 176°F32°F32°F56°F56°FJun 2069°FJun 2069°FSep 1069°FSep 1069°FMar 348°FMar 348°F53°F53°F50°F50°F37°F37°F34°F34°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 42°F45°F50°F56°F64°F69°F74°F74°F67°F56°F46°F41°F
Temp. 37°F39°F42°F48°F55°F60°F65°F64°F58°F49°F41°F37°F
Low 33°F33°F35°F39°F46°F52°F56°F54°F48°F42°F36°F32°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 Campbell River

Average Hourly Temperature in Campbell RiverJanFebMarAprMayJunJulAugSepOctNovDec12 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 coldcoldcoldcoolcomfortable
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.

Lormes, France (5,066 miles away) is the far-away foreign place with temperatures most similar to Campbell River (view comparison).

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In Campbell River, 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 Campbell River begins around June 4 and lasts for 3.9 months, ending around October 1.

The clearest month of the year in Campbell River is August, during which on average the sky is clear, mostly clear, or partly cloudy 63% of the time.

The cloudier part of the year begins around October 1 and lasts for 8.1 months, ending around June 4.

The cloudiest month of the year in Campbell River is January, during which on average the sky is overcast or mostly cloudy 73% of the time.

Cloud Cover Categories in Campbell River

Cloud Cover Categories in Campbell RiverclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Aug 167%Aug 167%Jan 2025%Jan 2025%Jun 446%Jun 446%Oct 147%Oct 147%NowNowclearmostly clearmostly cloudyovercastpartly cloudy
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 73%70%69%64%56%51%37%37%46%63%71%72%
Clearer 27%30%31%36%44%49%63%63%54%37%29%28%

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

The wetter season lasts 6.5 months, from October 8 to April 22, with a greater than 36% chance of a given day being a wet day. The month with the most wet days in Campbell River is November, with an average of 17.1 days with at least 0.04 inches of precipitation.

The drier season lasts 5.5 months, from April 22 to October 8. The month with the fewest wet days in Campbell River is July, with an average of 5.5 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 Campbell River is November, with an average of 16.4 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 57% on November 8.

Daily Chance of Precipitation in Campbell River

Daily Chance of Precipitation in Campbell RiverwetwetdryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Nov 1759%Nov 1759%Jul 3013%Jul 3013%Jan 152%Jan 152%Oct 836%Oct 836%Apr 2236%Apr 2236%NowNowrainmixedsnow
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 14.0d11.9d13.3d11.0d8.8d7.7d5.5d5.6d7.8d13.7d16.4d14.7d
Mixed 1.3d0.8d0.4d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.5d1.2d
Snow 0.4d0.3d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.2d0.5d
Any 15.7d12.9d13.7d11.0d8.8d7.7d5.5d5.6d7.8d13.7d17.1d16.4d

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. Campbell River experiences extreme seasonal variation in monthly rainfall.

Rain falls throughout the year in Campbell River. The month with the most rain in Campbell River is November, with an average rainfall of 7.2 inches.

The month with the least rain in Campbell River is August, with an average rainfall of 1.2 inches.

Average Monthly Rainfall in Campbell River

Average Monthly Rainfall in Campbell RiverJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 inNov 167.2 inNov 167.2 inJul 311.0 inJul 311.0 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 5.6″4.6″4.0″2.8″1.9″1.8″1.2″1.2″2.2″5.2″7.2″6.2″

Snowfall

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

The snowy period of the year lasts for 3.0 months, from November 18 to February 16, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Campbell River is December, with an average snowfall of 2.4 inches.

The snowless period of the year lasts for 9.0 months, from February 16 to November 18. The least snow falls around July 23, with an average total accumulation of 0.0 inches.

Average Monthly Snowfall in Campbell River

Average Monthly Snowfall in Campbell RiversnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 inDec 302.7 inDec 302.7 inJul 230.0 inJul 230.0 inFeb 161.0 inFeb 161.0 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 2.0″1.0″0.4″0.0″0.0″0.0″0.0″0.0″0.0″0.1″0.9″2.4″

The length of the day in Campbell River varies extremely over the course of the year. In 2022, the shortest day is December 21, with 8 hours, 4 minutes of daylight; the longest day is June 21, with 16 hours, 22 minutes of daylight.

Hours of Daylight and Twilight in Campbell River

Hours of Daylight and Twilight in Campbell RiverJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 7 minMar 2012 hr, 7 minMar 2016 hr, 22 minJun 2116 hr, 22 minJun 2112 hr, 11 minSep 2212 hr, 11 minSep 228 hr, 4 minDec 218 hr, 4 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 8.7h10.2h12.0h13.9h15.5h16.3h15.8h14.3h12.5h10.7h9.0h8.1h

The earliest sunrise is at 5:11 AM on June 17, and the latest sunrise is 3 hours, 9 minutes later at 8:19 AM on December 31. The earliest sunset is at 4:18 PM on December 11, and the latest sunset is 5 hours, 16 minutes later at 9:34 PM on June 25.

Daylight saving time (DST) is observed in Campbell River 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 Campbell River

Sunrise & Sunset with Twilight and Daylight Saving Time in Campbell RiverJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 175:11 AMJun 175:11 AM9:34 PMJun 259:34 PMJun 25Dec 114:18 PMDec 114:18 PM8:19 AMDec 318:19 AMDec 31Mar 13DSTMar 13DSTDSTNov 6DSTNov 6daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunsetNowNow
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 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 in Campbell River

Solar Elevation and Azimuth in Campbell RiverJanFebMarAprMayJunJulAugSepOctNovDec12 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 AM00010101010202030304040500001010102020203030404050601763NowNow
northeastsouthwest
Solar elevation and azimuth over the course of the year 2022. 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 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 Campbell River

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 in Campbell River, 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 in Campbell River

Humidity Comfort Levels in Campbell RiverJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Feb 90%Feb 90%Aug 50%Aug 50%NowNowcomfortablecomfortabledrydry
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 in Campbell River experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 6.8 months, from October 9 to May 2, with average wind speeds of more than 3.9 miles per hour. The windiest month of the year in Campbell River is November, with an average hourly wind speed of 4.5 miles per hour.

The calmer time of year lasts for 5.2 months, from May 2 to October 9. The calmest month of the year in Campbell River is August, with an average hourly wind speed of 3.3 miles per hour.

Average Wind Speed in Campbell River

Average Wind Speed in Campbell RiverwindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mphNov 204.6 mphNov 204.6 mphAug 123.2 mphAug 123.2 mphMay 23.9 mphMay 23.9 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) 4.34.44.54.23.83.63.43.33.44.14.54.5

The predominant average hourly wind direction in Campbell River varies throughout the year.

The wind is most often from the west for 5.5 months, from April 26 to October 11, with a peak percentage of 62% on July 23. The wind is most often from the east for 6.5 months, from October 11 to April 26, with a peak percentage of 52% on January 1.

Wind Direction in Campbell River

Wind Direction in Campbell RiverEWEJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwesteastsouthnorth
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).

Campbell River 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 some seasonal variation over the course of the year.

The time of year with warmer water lasts for 3.0 months, from June 18 to September 17, with an average temperature above 56°F. The month of the year in Campbell River with the warmest water is August, with an average temperature of 59°F.

The time of year with cooler water lasts for 4.5 months, from November 27 to April 11, with an average temperature below 48°F. The month of the year in Campbell River with the coolest water is February, with an average temperature of 45°F.

Average Water Temperature in Campbell River

Average Water Temperature in Campbell RiverwarmcoolcoolJanFebMarAprMayJunJulAugSepOctNovDec45°F45°F50°F50°F55°F55°F60°F60°F65°F65°FAug 959°FAug 959°F45°FFeb 845°FFeb 8Jun 1856°FJun 1856°FSep 1756°FSep 1756°FNov 2748°FNov 2748°FApr 1148°FApr 1148°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature 45°F45°F46°F49°F52°F56°F58°F59°F56°F52°F49°F47°F

To characterize how pleasant the weather is in Campbell River 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 Campbell River for general outdoor tourist activities is from mid July to mid August, with a peak score in the first week of August.

Tourism Score in Campbell River

Tourism Score in Campbell RiverJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.76.70.00.0NowNowprecipitationprecipitationcloudscloudstemperaturetemperature 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 Campbell River for hot-weather activities is from late July to mid August, with a peak score in the first week of August.

Beach/Pool Score in Campbell River

Beach/Pool Score in Campbell RiverJanFebMarAprMayJunJulAugSepOctNovDec002244668810102.02.00.00.0NowNowprecipitationprecipitationcloudsclouds beach/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 Campbell River typically lasts for 6.3 months (193 days), from around April 13 to around October 23, rarely starting before March 25 or after May 3, and rarely ending before October 5 or after November 12.

Time Spent in Various Temperature Bands and the Growing Season in Campbell River

Time Spent in Various Temperature Bands and the Growing Season in Campbell Rivergrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Apr 1350%Apr 1350%Oct 2350%Oct 2390%May 390%May 390%Oct 590%Oct 510%Mar 2510%Mar 2510%Nov 1210%Nov 120%Feb 40%Feb 4Jul 19100%Jul 19100%freezingvery coldcoldcoolcomfortablewarm
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 Campbell River should appear around May 6, only rarely appearing before April 23 or after May 20.

Growing Degree Days in Campbell River

Growing Degree Days in Campbell RiverJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°FMay 690°FMay 690°FJul 24900°FJul 24900°FDec 311,781°FDec 311,781°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 3.3 months, from May 11 to August 20, with an average daily incident shortwave energy per square meter above 5.4 kWh. The brightest month of the year in Campbell River is July, with an average of 6.4 kWh.

The darker period of the year lasts for 4.0 months, from October 21 to February 21, with an average daily incident shortwave energy per square meter below 1.9 kWh. The darkest month of the year in Campbell River is December, with an average of 0.7 kWh.

Average Daily Incident Shortwave Solar Energy in Campbell River

Average Daily Incident Shortwave Solar Energy in Campbell RiverbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJul 226.5 kWhJul 226.5 kWhDec 240.7 kWhDec 240.7 kWhMay 115.4 kWhMay 115.4 kWhOct 211.9 kWhOct 211.9 kWhFeb 211.9 kWhFeb 211.9 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) 0.91.72.84.25.56.16.45.63.92.11.00.7

For the purposes of this report, the geographical coordinates of Campbell River are 50.016 deg latitude, -125.245 deg longitude, and 210 ft elevation.

The topography within 2 miles of Campbell River contains only modest variations in elevation, with a maximum elevation change of 348 feet and an average elevation above sea level of 97 feet. Within 10 miles contains only modest variations in elevation (2,051 feet). Within 50 miles contains large variations in elevation (7,776 feet).

The area within 2 miles of Campbell River is covered by water (39%), trees (23%), artificial surfaces (20%), and sparse vegetation (14%), within 10 miles by trees (51%) and water (41%), and within 50 miles by trees (69%) and water (21%).

This report illustrates the typical weather in Campbell River, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Campbell River.

For each station, the records are corrected for the elevation difference between that station and Campbell River 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 Campbell River is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Campbell River 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 Campbell River 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 © 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.