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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 24°C, while the coldest is January averaging around −5°C at night. Precipitation totals about 1281 mm a year and is strongly seasonal — November alone averages 205 mm while July barely receives 39 mm. Snowfall is heavy (408 cm 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 (°C) | 0 | 3 | 7 | 12 | 17 | 20 | 24 | 24 | 20 | 11 | 4 | 0 |
| Avg temp (°C) | −2 | −1 | 2 | 6 | 11 | 14 | 17 | 17 | 13 | 7 | 1 | −2 |
| Avg low (°C) | −5 | −4 | −2 | 1 | 4 | 8 | 10 | 10 | 6 | 2 | −1 | −5 |
| Precipitation (mm) | 184 | 95 | 116 | 80 | 58 | 57 | 39 | 53 | 77 | 153 | 205 | 164 |
| Snowfall (cm) | 107 | 61 | 51 | 10 | 0 | — | — | — | 0 | 5 | 59 | 114 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 0 | 3 | 7 | 12 | 17 | 20 |
| Avg temp (°C) | −2 | −1 | 2 | 6 | 11 | 14 |
| Avg low (°C) | −5 | −4 | −2 | 1 | 4 | 8 |
| Precipitation (mm) | 184 | 95 | 116 | 80 | 58 | 57 |
| Snowfall (cm) | 107 | 61 | 51 | 10 | 0 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 24 | 20 | 11 | 4 | 0 |
| Avg temp (°C) | 17 | 17 | 13 | 7 | 1 | −2 |
| Avg low (°C) | 10 | 10 | 6 | 2 | −1 | −5 |
| Precipitation (mm) | 39 | 53 | 77 | 153 | 205 | 164 |
| Snowfall (cm) | — | — | 0 | 5 | 59 | 114 |
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.