Grande Prairie climate — normals and trends
Grande Prairie (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 2.5 °C and it receives 461 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 (16.6 °C on average) and the coldest is January (-13.2 °C). Rainfall peaks in June.
Grande Prairie averages 185 frost days, 2 hot days (≥ 30 °C) and 97 rainy days per year.
Grande Prairie has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.3 °C (on 29 June 2021) and the coldest -46.0 °C (on 31 January 1947).
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
Grande PrairieAlberta
- coords
- 55.17°, -118.80°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.5°C
Average daily high
7.4°C
Average daily low
-2.3°C
Annual rainfall
461mm
Sunshine / day
9.1h
Mean relative humidity
69%
Average peak wind
17.1km/h
Seasonal range
29.8°C
Frost days (< 0 °C)
185 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
97 d/yr
Annual snowfall
102.2 cm
Average feels-like high
3.9 °C
Average feels-like low
-6.2 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.14 · 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
39.3 °C
29 June 2021
Coldest day
-46.0 °C
31 January 1947
Wettest day
96 mm
8 July 2011
Windiest day
59.9 km/h
15 January 2014
Strongest gust
106.2 km/h
15 January 2014
Hottest feels-like
41.8 °C
29 June 2021
Coldest feels-like
-51.1 °C
14 January 1953
Snowiest day
20.5 cm
21 May 2010
Sunniest day
16.6 h
23 June 2025
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 | -2.9 °C | +6.3 °C | 23 mm | -6 mm |
| Feb | -9.3 °C | -3.7 °C | 13 mm | -8 mm |
| Mar | 2.1 °C | +2.0 °C | 21 mm | +0 mm |
| Apr | 12.6 °C | +3.6 °C | 9 mm | -15 mm |
| May | 19.9 °C | +3.9 °C | 22 mm | -22 mm |
| Jun | 20.9 °C | +1.3 °C | 62 mm | -9 mm |
| Jul | 23.5 °C | +1.5 °C | 54 mm | -15 mm |
| Aug | 25.0 °C | +4.0 °C | 44 mm | -8 mm |
| Sep | 21.2 °C | +5.1 °C | 13 mm | -28 mm |
| Oct | 11.2 °C | +2.2 °C | 29 mm | -3 mm |
| Nov | 1.8 °C | +3.3 °C | 15 mm | -15 mm |
| Dec | -14.0 °C | -6.7 °C | 101 mm | +74 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 Grande Prairie?
Grande Prairie has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 2.5 °C and it receives 461 mm of precipitation per year.
What is the hottest day ever recorded in Grande Prairie?
The hottest day measured in Grande Prairie between 1940 and 2025 was 29 June 2021, reaching 39.3 °C.
What is the coldest day in Grande Prairie?
The coldest day measured in Grande Prairie between 1940 and 2025 was 31 January 1947, at -46.0 °C.
Does it snow in Grande Prairie?
Yes. Grande Prairie gets on average 102.2 cm of snow per year and has around 185 frost days.
Has the climate of Grande Prairie warmed?
Yes: Grande Prairie warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Grande Prairie?
The wettest day measured in Grande Prairie between 1940 and 2025 was 8 July 2011, with 96 mm of rain in 24 hours.
What was the windiest day in Grande Prairie?
The windiest day measured in Grande Prairie between 1940 and 2025 was 15 January 2014, with winds reaching 59.9 km/h.
What is the warmest month in Grande Prairie?
The warmest month in Grande Prairie is July (16.6 °C on average); the coldest is January (-13.2 °C).
How much does it rain in Grande Prairie?
Grande Prairie receives on average 461 mm of precipitation per year, spread over about 97 rainy days.
Is it sunny in Grande Prairie?
Grande Prairie gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Grande Prairie?
The heaviest 24-hour snowfall measured in Grande Prairie between 1940 and 2025 was 21 May 2010, with 20.5 cm.
Are there tropical nights in Grande Prairie?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Grande Prairie.
What was the most extreme apparent temperature in Grande Prairie?
In Grande Prairie, between 1940 and 2025, the highest apparent temperature reached 41.8 °C on 29 June 2021, and the lowest was -51.1 °C on 14 January 1953.
Compare Grande Prairie with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Grande Prairie