Photo: Xz1303 · CC BY-SA 3.0Dry weather: only 445 mm of rain and snow a year falls on Okotoks, less than on 82% of Canadian towns
July afternoons average 23.5°C. Of all months, June brings the most precipitation and January the least. Summers stay cool: July afternoons here are cooler than in 80% of Canadian towns. About 72 days a year bring 1 mm of precipitation or more.
No ECCC station in Okotoks has 1991–2020 normals; the page reads Calgary (Airport), 44 km north, instead.
A year in Okotoks at a glance
Each month’s typical high and low, in °C.
What stands out about Okotoks’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Alberta beside it.
What a year in Okotoks feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 193 frosts and 87 warm days a year
The frost season runs September to May, and December freezes nearly every night. Some 22 nights a year drop under −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 445 mm a year
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
139 cm of snow in a typical year
Expect snow from September to May, with about 24 cm in March, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Okotoks
85% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
A heating degree day is one degree of shortfall below 18°C for one day, summed over the year. By this count, homes here need more heating than 68% of Canadian towns.
Living with Okotoks’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
The growing season between frosts lasts about 119 days, roughly 21 May to 18 September.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jul and Aug.
Parks & trails →A wind chill below −20 is part of about 42 days a year here.
About 9 days a year turn sultry, with the humidex past 30.
For blizzards, floods and wildfire, turn to Okotoks’s hazards page.
Flood & hazards →ECCC’s normals location: Calgary (Airport)
Calgary (Airport) is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 44 km north |
| Station altitude | 1,099 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −39.7°C |
| Hottest reading, 1991–2020 | 36.5°C |
| Average wind | 13.8 km/h on average, most often from the south |
| Next-nearest location | Queenstown, 71 km |
How Okotoks compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Alberta.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Okotoks’s own would show the same figures). The nearest places to Okotoks with figures are 44–66 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Okotoks Calgary (Airport) | 23.5°C | −13.5°C | 445 mm |
| Nanton 44 km · Claresholm | 25.2°C 1.7°C warmer | −13.2°C about the same | 428 mm |
| Wheatland County 60 km · Queenstown | 25.0°C 1.5°C warmer | −13.7°C about the same | 412 mm |
Okotoks weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −1.5°C | −13.5°C | −7.6°C | 10 mm | 17 cm |
| February | 0.1°C | −11.8°C | −5.9°C | 12 mm | 17 cm |
| March | 3.8°C | −8.1°C | −2.2°C | 18 mm | 24 cm |
| April | 10.8°C | −1.9°C | 4.5°C | 30 mm | 23 cm |
| May | 16.4°C | 3.4°C | 9.9°C | 61 mm | 10 cm |
| June | 19.7°C | 7.7°C | 13.7°C | 113 mm | under 1 cm |
| July | 23.5°C | 10.2°C | 16.9°C | 66 mm | 0 cm |
| August | 23.1°C | 9.2°C | 16.2°C | 54 mm | 0 cm |
| September | 18.3°C | 4.7°C | 11.5°C | 37 mm | 2 cm |
| October | 11.1°C | −1.3°C | 4.9°C | 17 mm | 12 cm |
| November | 4.1°C | −7.5°C | −1.7°C | 16 mm | 19 cm |
| December | −0.4°C | −12.1°C | −6.3°C | 13 mm | 16 cm |
| Year | 10.8°C | −1.8°C | 4.5°C | 445 mm | 139 cm |
Two years in three, February’s average lands within 4.1°C of normal, against the steadier June
The thirty-year records stretch furthest in December: a low of −38.2°C in 1996 and a high of 19.5°C in 1999.
Where Okotoks’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Calgary (Airport) from ECCC’s climate data site, the nearest location with every month of temperature.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- Not on this page: sunshine, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Okotoks’s climate
How warm does Okotoks get in summer?
July is the warmest month, with average highs of 23.5°C.
How cold does Okotoks get in winter?
Overnight lows average −13.5°C in January, the coldest month.
How much rain and snow does Okotoks get?
The yearly total is about 445 mm. June gets 113 mm, the most of any month; January gets 10 mm, the least.
How long does snow stay on the ground?
The ground is white, with 1 cm or more, on some 93 days a year.
Are these figures for Okotoks itself?
The figures are ECCC’s for Calgary (Airport); Okotoks has no normals station.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Okotoks →
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).