Shawinigan climate — normals and trends
Shawinigan (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.1 °C and it receives 1,044 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 (20.2 °C on average) and the coldest is January (-11.7 °C). Rainfall peaks in July.
Shawinigan averages 162 frost days, 6 hot days (≥ 30 °C) and 135 rainy days per year.
Shawinigan has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 170 to 154 per year over the period.
The hottest day of the period reached 38.0 °C (on 1 August 1975) and the coldest -37.8 °C (on 15 January 1965).
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
ShawiniganQuebec
- coords
- 46.57°, -72.75°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.1°C
Average daily high
9.7°C
Average daily low
0.4°C
Annual rainfall
1,044mm
Sunshine / day
8.4h
Mean relative humidity
71%
Average peak wind
17.1km/h
Seasonal range
31.9°C
Frost days (< 0 °C)
162 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
135 d/yr
Annual snowfall
188.7 cm
Average feels-like high
7.0 °C
Average feels-like low
-3.0 °C
Average peak gust
36.4 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
13.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.30 · 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
1 August 1975
Coldest day
-37.8 °C
15 January 1965
Wettest day
88 mm
9 August 2024
Windiest day
43.6 km/h
14 May 2009
Strongest gust
106.9 km/h
27 September 1942
Hottest feels-like
42.5 °C
1 August 1975
Coldest feels-like
-42.9 °C
15 January 1965
Snowiest day
28.4 cm
30 November 1944
Sunniest day
15.6 h
25 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 | -6.4 °C | +0.9 °C | 45 mm | -25 mm |
| Feb | -6.3 °C | -1.1 °C | 77 mm | +14 mm |
| Mar | 3.0 °C | +2.1 °C | 96 mm | +20 mm |
| Apr | 10.1 °C | +1.1 °C | 93 mm | +6 mm |
| May | 17.9 °C | +0.2 °C | 104 mm | +15 mm |
| Jun | 23.7 °C | +1.0 °C | 97 mm | +1 mm |
| Jul | 26.1 °C | +1.0 °C | 130 mm | +30 mm |
| Aug | 25.0 °C | +1.3 °C | 59 mm | -34 mm |
| Sep | 21.0 °C | +2.2 °C | 53 mm | -43 mm |
| Oct | 14.7 °C | +3.0 °C | 126 mm | +32 mm |
| Nov | 2.2 °C | -1.4 °C | 112 mm | +20 mm |
| Dec | -5.1 °C | -0.9 °C | 74 mm | -12 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 Shawinigan?
Shawinigan has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.1 °C and it receives 1,044 mm of precipitation per year.
What is the hottest day ever recorded in Shawinigan?
The hottest day measured in Shawinigan between 1940 and 2025 was 1 August 1975, reaching 38.0 °C.
What is the coldest day in Shawinigan?
The coldest day measured in Shawinigan between 1940 and 2025 was 15 January 1965, at -37.8 °C.
Does it snow in Shawinigan?
Yes. Shawinigan gets on average 188.7 cm of snow per year and has around 162 frost days.
Has the climate of Shawinigan warmed?
Yes: Shawinigan warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Shawinigan?
The wettest day measured in Shawinigan between 1940 and 2025 was 9 August 2024, with 88 mm of rain in 24 hours.
What was the windiest day in Shawinigan?
The windiest day measured in Shawinigan between 1940 and 2025 was 14 May 2009, with winds reaching 43.6 km/h.
What is the warmest month in Shawinigan?
The warmest month in Shawinigan is July (20.2 °C on average); the coldest is January (-11.7 °C).
How much does it rain in Shawinigan?
Shawinigan receives on average 1,044 mm of precipitation per year, spread over about 135 rainy days.
Is it sunny in Shawinigan?
Shawinigan gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
What is the biggest single-day snowfall in Shawinigan?
The heaviest 24-hour snowfall measured in Shawinigan between 1940 and 2025 was 30 November 1944, with 28.4 cm.
Are there tropical nights in Shawinigan?
Yes: Shawinigan has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Shawinigan?
In Shawinigan, between 1940 and 2025, the highest apparent temperature reached 42.5 °C on 1 August 1975, and the lowest was -42.9 °C on 15 January 1965.
Compare Shawinigan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Shawinigan