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Whistler, British Columbia climate
Csb Warm-summer Mediterranean
Whistler has a seasonal cold-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is July with an average daily high near 76°F, while the coldest is January averaging around 23°F at night. Precipitation totals about 50 inches a year and is strongly seasonal — November alone averages 8.1 inches while July barely receives 1.52 inches. Snowfall is heavy (161 inches of snow per year on average). At latitude 50°N, day length swings from 7.8 hours in midwinter to 16.1 hours at midsummer.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Whistler climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 32 | 37 | 44 | 53 | 63 | 68 | 76 | 76 | 67 | 52 | 39 | 32 |
| Avg temp (°F) | 28 | 31 | 36 | 43 | 52 | 57 | 63 | 63 | 55 | 44 | 34 | 28 |
| Avg low (°F) | 23 | 25 | 28 | 33 | 40 | 46 | 50 | 49 | 43 | 36 | 29 | 24 |
| Precipitation (in) | 7.3 | 3.7 | 4.6 | 3.1 | 2.3 | 2.2 | 1.5 | 2.1 | 3.0 | 6.0 | 8.1 | 6.5 |
| Snowfall (in) | 42.0 | 24.2 | 20.2 | 3.9 | 0.2 | — | — | — | 0.0 | 2.0 | 23.2 | 44.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 32 | 37 | 44 | 53 | 63 | 68 |
| Avg temp (°F) | 28 | 31 | 36 | 43 | 52 | 57 |
| Avg low (°F) | 23 | 25 | 28 | 33 | 40 | 46 |
| Precipitation (in) | 7.3 | 3.7 | 4.6 | 3.1 | 2.3 | 2.2 |
| Snowfall (in) | 42.0 | 24.2 | 20.2 | 3.9 | 0.2 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 76 | 76 | 67 | 52 | 39 | 32 |
| Avg temp (°F) | 63 | 63 | 55 | 44 | 34 | 28 |
| Avg low (°F) | 50 | 49 | 43 | 36 | 29 | 24 |
| Precipitation (in) | 1.5 | 2.1 | 3.0 | 6.0 | 8.1 | 6.5 |
| Snowfall (in) | — | — | 0.0 | 2.0 | 23.2 | 44.9 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 68 | 73 | 72 | 70 | 71 | 56 | 55 | 58 | 69 | 73 | 71 |
| Relative humidity (%) | 96 | 97 | 97 | 95 | 86 | 80 | 77 | 78 | 80 | 88 | 95 | 96 |
| Wind speed (mph) | 1.2 | 1.2 | 1.1 | 1.0 | 0.9 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.9 | 1.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 68 | 73 | 72 | 70 | 71 |
| Relative humidity (%) | 96 | 97 | 97 | 95 | 86 | 80 |
| Wind speed (mph) | 1.2 | 1.2 | 1.1 | 1.0 | 0.9 | 0.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 56 | 55 | 58 | 69 | 73 | 71 |
| Relative humidity (%) | 77 | 78 | 80 | 88 | 95 | 96 |
| Wind speed (mph) | 0.6 | 0.6 | 0.7 | 0.7 | 0.9 | 1.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Whistler, a weather station, about 1 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.