Winnipeg climate — normals and trends
Winnipeg (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 2.9 °C and it receives 559 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 (19.9 °C on average) and the coldest is January (-17.1 °C). Rainfall peaks in June.
Winnipeg averages 182 frost days, 10 hot days (≥ 30 °C) and 94 rainy days per year.
Winnipeg has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.6 °C (on 17 June 1995) and the coldest -44.2 °C (on 20 January 1943).
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
WinnipegManitoba
- coords
- 49.88°, -97.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.9°C
Average daily high
7.8°C
Average daily low
-2.1°C
Annual rainfall
559mm
Sunshine / day
8.8h
Mean relative humidity
72%
Average peak wind
21.7km/h
Seasonal range
37.0°C
Frost days (< 0 °C)
182 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
94 d/yr
Annual snowfall
80.4 cm
Average feels-like high
4.3 °C
Average feels-like low
-6.2 °C
Average peak gust
38.5 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.11 · p = 0.002
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
39.6 °C
17 June 1995
Coldest day
-44.2 °C
20 January 1943
Wettest day
83 mm
27 July 2001
Windiest day
59.3 km/h
15 January 1972
Strongest gust
102.6 km/h
17 July 1982
Hottest feels-like
39.3 °C
4 August 1947
Coldest feels-like
-49.5 °C
20 January 1943
Snowiest day
25.0 cm
8 November 1986
Sunniest day
15.7 h
19 June 2003
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 | -10.1 °C | +2.7 °C | 14 mm | -3 mm |
| Feb | -9.9 °C | -0.2 °C | 9 mm | -6 mm |
| Mar | 1.4 °C | +3.3 °C | 19 mm | -7 mm |
| Apr | 10.2 °C | +1.0 °C | 26 mm | -12 mm |
| May | 22.4 °C | +4.9 °C | 29 mm | -39 mm |
| Jun | 23.6 °C | +1.2 °C | 56 mm | -37 mm |
| Jul | 24.9 °C | -0.3 °C | 67 mm | -12 mm |
| Aug | 24.5 °C | 0.0 °C | 68 mm | -3 mm |
| Sep | 21.3 °C | +2.8 °C | 80 mm | +19 mm |
| Oct | 13.1 °C | +2.3 °C | 124 mm | +80 mm |
| Nov | 2.7 °C | +3.2 °C | 7 mm | -19 mm |
| Dec | -10.8 °C | -1.5 °C | 43 mm | +23 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 Winnipeg?
Winnipeg has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 2.9 °C and it receives 559 mm of precipitation per year.
What is the hottest day ever recorded in Winnipeg?
The hottest day measured in Winnipeg between 1940 and 2025 was 17 June 1995, reaching 39.6 °C.
What is the coldest day in Winnipeg?
The coldest day measured in Winnipeg between 1940 and 2025 was 20 January 1943, at -44.2 °C.
Does it snow in Winnipeg?
Yes. Winnipeg gets on average 80.4 cm of snow per year and has around 182 frost days.
Has the climate of Winnipeg warmed?
Yes: Winnipeg warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Winnipeg?
The wettest day measured in Winnipeg between 1940 and 2025 was 27 July 2001, with 83 mm of rain in 24 hours.
What was the windiest day in Winnipeg?
The windiest day measured in Winnipeg between 1940 and 2025 was 15 January 1972, with winds reaching 59.3 km/h.
What is the warmest month in Winnipeg?
The warmest month in Winnipeg is July (19.9 °C on average); the coldest is January (-17.1 °C).
How much does it rain in Winnipeg?
Winnipeg receives on average 559 mm of precipitation per year, spread over about 94 rainy days.
Is it sunny in Winnipeg?
Winnipeg gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Winnipeg?
The heaviest 24-hour snowfall measured in Winnipeg between 1940 and 2025 was 8 November 1986, with 25.0 cm.
Are there tropical nights in Winnipeg?
Yes: Winnipeg has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Winnipeg?
In Winnipeg, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 4 August 1947, and the lowest was -49.5 °C on 20 January 1943.
Compare Winnipeg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Winnipeg