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Okotoks, Alberta climate
Dfb Warm-summer humid continental
Okotoks has a seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 77°F, while the coldest is January averaging around 8°F at night. Precipitation totals about 20 inches a year and is strongly seasonal — June alone averages 4.5 inches while January barely receives 0.65 inches. Snowfall is heavy (61 inches of snow per year on average). At latitude 51°N, day length swings from 7.7 hours in midwinter to 16.2 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)Okotoks climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 29 | 32 | 41 | 53 | 63 | 70 | 77 | 76 | 66 | 53 | 38 | 30 |
| Avg temp (°F) | 19 | 21 | 29 | 40 | 50 | 57 | 63 | 62 | 53 | 41 | 28 | 20 |
| Avg low (°F) | 8 | 11 | 18 | 28 | 37 | 45 | 50 | 48 | 40 | 29 | 18 | 10 |
| Precipitation (in) | 0.7 | 0.7 | 1.1 | 1.7 | 3.0 | 4.5 | 2.1 | 2.2 | 1.8 | 1.1 | 0.9 | 0.8 |
| Snowfall (in) | 6.4 | 6.8 | 9.9 | 10.2 | 4.3 | 0.1 | — | 0.1 | 1.4 | 5.8 | 8.3 | 7.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 29 | 32 | 41 | 53 | 63 | 70 |
| Avg temp (°F) | 19 | 21 | 29 | 40 | 50 | 57 |
| Avg low (°F) | 8 | 11 | 18 | 28 | 37 | 45 |
| Precipitation (in) | 0.7 | 0.7 | 1.1 | 1.7 | 3.0 | 4.5 |
| Snowfall (in) | 6.4 | 6.8 | 9.9 | 10.2 | 4.3 | 0.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 77 | 76 | 66 | 53 | 38 | 30 |
| Avg temp (°F) | 63 | 62 | 53 | 41 | 28 | 20 |
| Avg low (°F) | 50 | 48 | 40 | 29 | 18 | 10 |
| Precipitation (in) | 2.1 | 2.2 | 1.8 | 1.1 | 0.9 | 0.8 |
| Snowfall (in) | — | 0.1 | 1.4 | 5.8 | 8.3 | 7.6 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 71 | 71 | 69 | 67 | 64 | 49 | 54 | 59 | 67 | 71 | 73 |
| Relative humidity (%) | 82 | 76 | 69 | 62 | 60 | 62 | 58 | 58 | 61 | 67 | 75 | 79 |
| Wind speed (mph) | 3.9 | 3.9 | 4.2 | 3.9 | 3.3 | 2.8 | 2.5 | 2.4 | 2.6 | 3.1 | 3.5 | 3.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 71 | 71 | 69 | 67 | 64 |
| Relative humidity (%) | 82 | 76 | 69 | 62 | 60 | 62 |
| Wind speed (mph) | 3.9 | 3.9 | 4.2 | 3.9 | 3.3 | 2.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 49 | 54 | 59 | 67 | 71 | 73 |
| Relative humidity (%) | 58 | 58 | 61 | 67 | 75 | 79 |
| Wind speed (mph) | 2.5 | 2.4 | 2.6 | 3.1 | 3.5 | 3.8 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Okotoks, a weather station, about 2 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.