Saint-Jean-de-Maurienne climate — normals and trends
Saint-Jean-de-Maurienne (France) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 2.9 °C and it receives 1,519 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 (12.7 °C on average) and the coldest is January (-6.7 °C). Rainfall peaks in June.
Saint-Jean-de-Maurienne averages 203 frost days, 0 hot days (≥ 30 °C) and 175 rainy days per year.
Saint-Jean-de-Maurienne has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 224 to 182 per year over the period.
The hottest day of the period reached 28.7 °C (on 7 July 2015) and the coldest -31.0 °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
Saint-Jean-de-MaurienneRhône-Alpes
- coords
- 45.28°, 6.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.9°C
Average daily high
7.7°C
Average daily low
-1.7°C
Annual rainfall
1,519mm
Sunshine / day
9.4h
Mean relative humidity
78%
Average peak wind
7.1km/h
Seasonal range
19.4°C
Frost days (< 0 °C)
203 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
175 d/yr
Annual snowfall
475.5 cm
Average feels-like high
5.8 °C
Average feels-like low
-4.8 °C
Average peak gust
39.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
14.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.66 · 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
28.7 °C
7 July 2015
Coldest day
-31.0 °C
15 February 1940
Wettest day
79 mm
14 February 1990
Windiest day
15.9 km/h
5 January 2012
Strongest gust
147.2 km/h
8 November 1982
Hottest feels-like
29.8 °C
7 July 2015
Coldest feels-like
-35.6 °C
15 February 1940
Snowiest day
46.7 cm
14 February 1990
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 | 1.4 °C | +3.9 °C | 217 mm | +91 mm |
| Feb | 3.9 °C | +4.2 °C | 41 mm | -78 mm |
| Mar | 5.0 °C | +2.1 °C | 85 mm | -33 mm |
| Apr | 9.7 °C | +3.9 °C | 145 mm | +31 mm |
| May | 12.6 °C | +2.1 °C | 158 mm | +20 mm |
| Jun | 20.9 °C | +5.8 °C | 110 mm | -36 mm |
| Jul | 18.2 °C | +0.3 °C | 120 mm | -12 mm |
| Aug | 19.9 °C | +2.2 °C | 112 mm | -19 mm |
| Sep | 14.5 °C | 0.0 °C | 130 mm | +20 mm |
| Oct | 10.1 °C | +0.3 °C | 176 mm | +65 mm |
| Nov | 4.7 °C | +2.0 °C | 146 mm | +11 mm |
| Dec | 2.8 °C | +4.8 °C | 29 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 Saint-Jean-de-Maurienne?
Saint-Jean-de-Maurienne has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 2.9 °C and it receives 1,519 mm of precipitation per year.
What is the hottest day ever recorded in Saint-Jean-de-Maurienne?
The hottest day measured in Saint-Jean-de-Maurienne between 1940 and 2025 was 7 July 2015, reaching 28.7 °C.
What is the coldest day in Saint-Jean-de-Maurienne?
The coldest day measured in Saint-Jean-de-Maurienne between 1940 and 2025 was 15 February 1940, at -31.0 °C.
Does it snow in Saint-Jean-de-Maurienne?
Yes. Saint-Jean-de-Maurienne gets on average 475.5 cm of snow per year and has around 203 frost days.
Has the climate of Saint-Jean-de-Maurienne warmed?
Yes: Saint-Jean-de-Maurienne warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Saint-Jean-de-Maurienne?
The wettest day measured in Saint-Jean-de-Maurienne between 1940 and 2025 was 14 February 1990, with 79 mm of rain in 24 hours.
What was the windiest day in Saint-Jean-de-Maurienne?
The windiest day measured in Saint-Jean-de-Maurienne between 1940 and 2025 was 5 January 2012, with winds reaching 15.9 km/h.
What is the warmest month in Saint-Jean-de-Maurienne?
The warmest month in Saint-Jean-de-Maurienne is July (12.7 °C on average); the coldest is January (-6.7 °C).
How much does it rain in Saint-Jean-de-Maurienne?
Saint-Jean-de-Maurienne receives on average 1,519 mm of precipitation per year, spread over about 175 rainy days.
Is it sunny in Saint-Jean-de-Maurienne?
Saint-Jean-de-Maurienne gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Saint-Jean-de-Maurienne?
The heaviest 24-hour snowfall measured in Saint-Jean-de-Maurienne between 1940 and 2025 was 14 February 1990, with 46.7 cm.
Are there tropical nights in Saint-Jean-de-Maurienne?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Saint-Jean-de-Maurienne.
What was the most extreme apparent temperature in Saint-Jean-de-Maurienne?
In Saint-Jean-de-Maurienne, between 1940 and 2025, the highest apparent temperature reached 29.8 °C on 7 July 2015, and the lowest was -35.6 °C on 15 February 1940.
Compare Saint-Jean-de-Maurienne with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Saint-Jean-de-Maurienne