Okotoks climate — normals and trends
Okotoks (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.8 °C and it receives 493 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (16.5 °C on average) and the coldest is January (-9.1 °C). Rainfall peaks in June.
Okotoks averages 190 frost days, 4 hot days (≥ 30 °C) and 93 rainy days per year.
Okotoks has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 197 to 183 per year over the period.
The hottest day of the period reached 38.0 °C (on 10 August 2018) and the coldest -41.6 °C (on 11 January 1998).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
OkotoksAlberta
- coords
- 50.73°, -113.98°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.8°C
Average daily high
9.9°C
Average daily low
-1.9°C
Annual rainfall
493mm
Sunshine / day
9.6h
Mean relative humidity
65%
Average peak wind
15.0km/h
Seasonal range
25.6°C
Frost days (< 0 °C)
190 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
93 d/yr
Annual snowfall
97.4 cm
Average feels-like high
6.7 °C
Average feels-like low
-5.7 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
14.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.31 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
38.0 °C
10 August 2018
Coldest day
-41.6 °C
11 January 1998
Wettest day
79 mm
13 June 1970
Windiest day
49.9 km/h
19 November 1962
Strongest gust
101.2 km/h
19 November 1962
Hottest feels-like
36.3 °C
29 June 2021
Coldest feels-like
-47.0 °C
21 January 1943
Snowiest day
30.0 cm
27 April 1974
Sunniest day
16.0 h
20 June 2005
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -0.1 °C | +3.7 °C | 9 mm | -6 mm |
| Feb | -6.9 °C | -6.1 °C | 13 mm | -3 mm |
| Mar | 5.2 °C | +1.7 °C | 21 mm | -3 mm |
| Apr | 12.2 °C | +2.0 °C | 44 mm | +3 mm |
| May | 19.3 °C | +3.4 °C | 51 mm | -23 mm |
| Jun | 21.2 °C | +1.8 °C | 107 mm | +10 mm |
| Jul | 21.2 °C | -2.0 °C | 141 mm | +78 mm |
| Aug | 24.2 °C | +1.7 °C | 40 mm | -20 mm |
| Sep | 23.3 °C | +5.8 °C | 7 mm | -40 mm |
| Oct | 12.4 °C | +1.3 °C | 21 mm | -6 mm |
| Nov | 5.6 °C | +3.3 °C | 27 mm | +8 mm |
| Dec | -1.4 °C | +1.0 °C | 33 mm | +18 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Okotoks?
Okotoks has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.8 °C and it receives 493 mm of precipitation per year.
What is the hottest day ever recorded in Okotoks?
The hottest day measured in Okotoks between 1940 and 2025 was 10 August 2018, reaching 38.0 °C.
What is the coldest day in Okotoks?
The coldest day measured in Okotoks between 1940 and 2025 was 11 January 1998, at -41.6 °C.
Does it snow in Okotoks?
Yes. Okotoks gets on average 97.4 cm of snow per year and has around 190 frost days.
Has the climate of Okotoks warmed?
Yes: Okotoks warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Okotoks?
The wettest day measured in Okotoks between 1940 and 2025 was 13 June 1970, with 79 mm of rain in 24 hours.
What was the windiest day in Okotoks?
The windiest day measured in Okotoks between 1940 and 2025 was 19 November 1962, with winds reaching 49.9 km/h.
What is the warmest month in Okotoks?
The warmest month in Okotoks is July (16.5 °C on average); the coldest is January (-9.1 °C).
How much does it rain in Okotoks?
Okotoks receives on average 493 mm of precipitation per year, spread over about 93 rainy days.
Is it sunny in Okotoks?
Okotoks gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Okotoks?
The heaviest 24-hour snowfall measured in Okotoks between 1940 and 2025 was 27 April 1974, with 30.0 cm.
Are there tropical nights in Okotoks?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Okotoks.
What was the most extreme apparent temperature in Okotoks?
In Okotoks, between 1940 and 2025, the highest apparent temperature reached 36.3 °C on 29 June 2021, and the lowest was -47.0 °C on 21 January 1943.
Compare Okotoks with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Okotoks