Chambly climate — normals and trends
Chambly (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.6 °C and it receives 1,090 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 (21.1 °C on average) and the coldest is January (-9.6 °C). Rainfall peaks in July.
Chambly averages 148 frost days, 8 hot days (≥ 30 °C) and 142 rainy days per year.
Chambly has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 157 to 139 per year over the period.
The hottest day of the period reached 36.1 °C (on 27 May 2020) and the coldest -37.2 °C (on 15 January 1957).
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
ChamblyQuebec
- coords
- 45.45°, -73.28°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.6°C
Average daily high
11.1°C
Average daily low
1.9°C
Annual rainfall
1,090mm
Sunshine / day
8.4h
Mean relative humidity
72%
Average peak wind
18.2km/h
Seasonal range
30.7°C
Frost days (< 0 °C)
148 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
150.8 cm
Average feels-like high
8.6 °C
Average feels-like low
-1.4 °C
Average peak gust
36.4 km/h
Tropical nights (≥ 20 °C)
8 d/yr
Solar radiation
13.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.34 · 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
36.1 °C
27 May 2020
Coldest day
-37.2 °C
15 January 1957
Wettest day
94 mm
31 August 2005
Windiest day
53.7 km/h
25 February 1956
Strongest gust
114.5 km/h
27 January 1996
Hottest feels-like
41.3 °C
1 August 1975
Coldest feels-like
-43.1 °C
15 January 1957
Snowiest day
29.3 cm
30 November 1944
Sunniest day
15.4 h
25 June 2018
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 | -5.4 °C | 0.0 °C | 49 mm | -22 mm |
| Feb | -4.8 °C | -1.1 °C | 83 mm | +18 mm |
| Mar | 4.9 °C | +2.5 °C | 93 mm | +17 mm |
| Apr | 12.0 °C | +1.1 °C | 99 mm | +5 mm |
| May | 18.7 °C | 0.0 °C | 120 mm | +24 mm |
| Jun | 25.0 °C | +1.4 °C | 92 mm | -11 mm |
| Jul | 27.2 °C | +1.3 °C | 89 mm | -15 mm |
| Aug | 25.9 °C | +1.3 °C | 52 mm | -51 mm |
| Sep | 22.3 °C | +2.2 °C | 53 mm | -46 mm |
| Oct | 15.7 °C | +2.5 °C | 152 mm | +52 mm |
| Nov | 3.5 °C | -2.0 °C | 113 mm | +20 mm |
| Dec | -3.5 °C | -1.3 °C | 77 mm | -9 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 Chambly?
Chambly has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.6 °C and it receives 1,090 mm of precipitation per year.
What is the hottest day ever recorded in Chambly?
The hottest day measured in Chambly between 1940 and 2025 was 27 May 2020, reaching 36.1 °C.
What is the coldest day in Chambly?
The coldest day measured in Chambly between 1940 and 2025 was 15 January 1957, at -37.2 °C.
Does it snow in Chambly?
Yes. Chambly gets on average 150.8 cm of snow per year and has around 148 frost days.
Has the climate of Chambly warmed?
Yes: Chambly warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chambly?
The wettest day measured in Chambly between 1940 and 2025 was 31 August 2005, with 94 mm of rain in 24 hours.
What was the windiest day in Chambly?
The windiest day measured in Chambly between 1940 and 2025 was 25 February 1956, with winds reaching 53.7 km/h.
What is the warmest month in Chambly?
The warmest month in Chambly is July (21.1 °C on average); the coldest is January (-9.6 °C).
How much does it rain in Chambly?
Chambly receives on average 1,090 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Chambly?
Chambly 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 Chambly?
The heaviest 24-hour snowfall measured in Chambly between 1940 and 2025 was 30 November 1944, with 29.3 cm.
Are there tropical nights in Chambly?
Yes: Chambly has on average 8 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chambly?
In Chambly, between 1940 and 2025, the highest apparent temperature reached 41.3 °C on 1 August 1975, and the lowest was -43.1 °C on 15 January 1957.
Compare Chambly with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chambly