Chambéry climate — normals and trends
Chambéry (France) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.4 °C and it receives 1,634 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 (17.9 °C on average) and the coldest is January (-1.3 °C). Rainfall peaks in May.
Chambéry averages 114 frost days, 2 hot days (≥ 30 °C) and 170 rainy days per year.
Chambéry has warmed by +3.1 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 145 to 83 per year over the period.
The hottest day of the period reached 36.4 °C (on 7 July 2015) and the coldest -29.1 °C (on 15 February 1940).
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
ChambéryRhône-Alpes
- coords
- 45.57°, 5.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.4°C
Average daily high
13.0°C
Average daily low
3.6°C
Annual rainfall
1,634mm
Sunshine / day
9.1h
Mean relative humidity
77%
Average peak wind
6.4km/h
Seasonal range
19.2°C
Frost days (< 0 °C)
114 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
170 d/yr
Annual snowfall
201.3 cm
Average feels-like high
11.9 °C
Average feels-like low
1.5 °C
Average peak gust
30.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.70 · 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
36.4 °C
7 July 2015
Coldest day
-29.1 °C
15 February 1940
Wettest day
74 mm
7 August 1978
Windiest day
16.9 km/h
18 April 1991
Strongest gust
116.6 km/h
28 December 1999
Hottest feels-like
37.4 °C
26 June 2019
Coldest feels-like
-34.1 °C
15 February 1940
Snowiest day
29.1 cm
17 April 2005
Sunniest day
15.0 h
27 May 1940
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 | 7.3 °C | +4.4 °C | 225 mm | +96 mm |
| Feb | 9.2 °C | +4.2 °C | 53 mm | -69 mm |
| Mar | 12.0 °C | +3.2 °C | 90 mm | -35 mm |
| Apr | 16.8 °C | +4.2 °C | 158 mm | +26 mm |
| May | 18.2 °C | +1.3 °C | 202 mm | +31 mm |
| Jun | 26.0 °C | +5.7 °C | 123 mm | -34 mm |
| Jul | 23.6 °C | +0.9 °C | 147 mm | +11 mm |
| Aug | 25.6 °C | +3.4 °C | 84 mm | -55 mm |
| Sep | 18.7 °C | -0.1 °C | 168 mm | +47 mm |
| Oct | 14.1 °C | -0.1 °C | 188 mm | +71 mm |
| Nov | 9.6 °C | +2.0 °C | 168 mm | +25 mm |
| Dec | 8.2 °C | +4.6 °C | 31 mm | -111 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 Chambéry?
Chambéry has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.4 °C and it receives 1,634 mm of precipitation per year.
What is the hottest day ever recorded in Chambéry?
The hottest day measured in Chambéry between 1940 and 2025 was 7 July 2015, reaching 36.4 °C.
What is the coldest day in Chambéry?
The coldest day measured in Chambéry between 1940 and 2025 was 15 February 1940, at -29.1 °C.
Does it snow in Chambéry?
Yes. Chambéry gets on average 201.3 cm of snow per year and has around 114 frost days.
Has the climate of Chambéry warmed?
Yes: Chambéry warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chambéry?
The wettest day measured in Chambéry between 1940 and 2025 was 7 August 1978, with 74 mm of rain in 24 hours.
What was the windiest day in Chambéry?
The windiest day measured in Chambéry between 1940 and 2025 was 18 April 1991, with winds reaching 16.9 km/h.
What is the warmest month in Chambéry?
The warmest month in Chambéry is July (17.9 °C on average); the coldest is January (-1.3 °C).
How much does it rain in Chambéry?
Chambéry receives on average 1,634 mm of precipitation per year, spread over about 170 rainy days.
Is it sunny in Chambéry?
Chambéry 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 Chambéry?
The heaviest 24-hour snowfall measured in Chambéry between 1940 and 2025 was 17 April 2005, with 29.1 cm.
Are there tropical nights in Chambéry?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Chambéry.
What was the most extreme apparent temperature in Chambéry?
In Chambéry, between 1940 and 2025, the highest apparent temperature reached 37.4 °C on 26 June 2019, and the lowest was -34.1 °C on 15 February 1940.
Compare Chambéry with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chambéry