Charlesbourg climate — normals and trends
Charlesbourg (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.1 °C and it receives 1,357 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 (17.8 °C on average) and the coldest is January (-12.9 °C). Rainfall peaks in July.
Charlesbourg averages 184 frost days, 1 hot days (≥ 30 °C) and 156 rainy days per year.
Charlesbourg has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 193 to 175 per year over the period.
The hottest day of the period reached 34.2 °C (on 1 August 1975) and the coldest -36.8 °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
CharlesbourgQuebec
- coords
- 46.90°, -71.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.1°C
Average daily high
7.6°C
Average daily low
-1.6°C
Annual rainfall
1,357mm
Sunshine / day
8.2h
Mean relative humidity
74%
Average peak wind
15.8km/h
Seasonal range
30.7°C
Frost days (< 0 °C)
184 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
156 d/yr
Annual snowfall
266.6 cm
Average feels-like high
4.8 °C
Average feels-like low
-5.1 °C
Average peak gust
39.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.32 · 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
34.2 °C
1 August 1975
Coldest day
-36.8 °C
15 January 1965
Wettest day
87 mm
3 November 1966
Windiest day
44.6 km/h
30 November 1944
Strongest gust
117.4 km/h
23 December 2022
Hottest feels-like
39.0 °C
2 August 1975
Coldest feels-like
-42.6 °C
12 February 1967
Snowiest day
32.3 cm
4 December 1990
Sunniest day
15.6 h
26 June 1951
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 | -7.7 °C | +1.1 °C | 68 mm | -21 mm |
| Feb | -7.8 °C | -0.9 °C | 88 mm | +12 mm |
| Mar | 1.1 °C | +2.0 °C | 124 mm | +31 mm |
| Apr | 7.6 °C | +1.3 °C | 110 mm | +10 mm |
| May | 15.7 °C | +0.8 °C | 118 mm | +4 mm |
| Jun | 21.1 °C | +0.8 °C | 170 mm | +34 mm |
| Jul | 24.0 °C | +1.4 °C | 213 mm | +70 mm |
| Aug | 22.8 °C | +1.5 °C | 103 mm | -28 mm |
| Sep | 19.1 °C | +2.5 °C | 50 mm | -77 mm |
| Oct | 12.7 °C | +3.1 °C | 104 mm | -16 mm |
| Nov | 1.0 °C | -0.7 °C | 114 mm | -5 mm |
| Dec | -6.9 °C | -1.2 °C | 95 mm | -14 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 Charlesbourg?
Charlesbourg has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.1 °C and it receives 1,357 mm of precipitation per year.
What is the hottest day ever recorded in Charlesbourg?
The hottest day measured in Charlesbourg between 1940 and 2025 was 1 August 1975, reaching 34.2 °C.
What is the coldest day in Charlesbourg?
The coldest day measured in Charlesbourg between 1940 and 2025 was 15 January 1965, at -36.8 °C.
Does it snow in Charlesbourg?
Yes. Charlesbourg gets on average 266.6 cm of snow per year and has around 184 frost days.
Has the climate of Charlesbourg warmed?
Yes: Charlesbourg warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Charlesbourg?
The wettest day measured in Charlesbourg between 1940 and 2025 was 3 November 1966, with 87 mm of rain in 24 hours.
What was the windiest day in Charlesbourg?
The windiest day measured in Charlesbourg between 1940 and 2025 was 30 November 1944, with winds reaching 44.6 km/h.
What is the warmest month in Charlesbourg?
The warmest month in Charlesbourg is July (17.8 °C on average); the coldest is January (-12.9 °C).
How much does it rain in Charlesbourg?
Charlesbourg receives on average 1,357 mm of precipitation per year, spread over about 156 rainy days.
Is it sunny in Charlesbourg?
Charlesbourg gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Charlesbourg?
The heaviest 24-hour snowfall measured in Charlesbourg between 1940 and 2025 was 4 December 1990, with 32.3 cm.
Are there tropical nights in Charlesbourg?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Charlesbourg.
What was the most extreme apparent temperature in Charlesbourg?
In Charlesbourg, between 1940 and 2025, the highest apparent temperature reached 39.0 °C on 2 August 1975, and the lowest was -42.6 °C on 12 February 1967.
Compare Charlesbourg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Charlesbourg