Briançon climate — normals and trends
Briançon (France) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 0.6 °C and it receives 894 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 (11.4 °C on average) and the coldest is January (-9.5 °C). Rainfall peaks in November.
Briançon averages 236 frost days, 0 hot days (≥ 30 °C) and 124 rainy days per year.
Briançon has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 257 to 215 per year over the period.
The hottest day of the period reached 26.6 °C (on 21 August 2023) and the coldest -34.1 °C (on 30 December 2005).
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
BriançonProvence-Alpes-Côte d'Azur
- coords
- 44.90°, 6.64°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
0.6°C
Average daily high
5.1°C
Average daily low
-3.8°C
Annual rainfall
894mm
Sunshine / day
9.9h
Mean relative humidity
74%
Average peak wind
7.1km/h
Seasonal range
20.9°C
Frost days (< 0 °C)
236 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
124 d/yr
Annual snowfall
428.3 cm
Average feels-like high
2.5 °C
Average feels-like low
-7.1 °C
Average peak gust
40.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.60 · 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
26.6 °C
21 August 2023
Coldest day
-34.1 °C
30 December 2005
Wettest day
76 mm
21 March 1971
Windiest day
23.7 km/h
27 February 1990
Strongest gust
166.3 km/h
27 February 1990
Hottest feels-like
26.3 °C
30 July 2024
Coldest feels-like
-39.1 °C
30 December 2005
Snowiest day
53.1 cm
21 March 1971
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 | -2.1 °C | +4.1 °C | 133 mm | +56 mm |
| Feb | 0.0 °C | +4.0 °C | 22 mm | -52 mm |
| Mar | 1.0 °C | +1.5 °C | 76 mm | -3 mm |
| Apr | 5.5 °C | +2.9 °C | 156 mm | +72 mm |
| May | 9.4 °C | +2.4 °C | 57 mm | -26 mm |
| Jun | 18.8 °C | +5.7 °C | 53 mm | -18 mm |
| Jul | 17.3 °C | +0.2 °C | 25 mm | -23 mm |
| Aug | 19.0 °C | +1.9 °C | 44 mm | -5 mm |
| Sep | 13.2 °C | -0.1 °C | 60 mm | +2 mm |
| Oct | 8.0 °C | +0.8 °C | 94 mm | +9 mm |
| Nov | 1.0 °C | +1.5 °C | 66 mm | -32 mm |
| Dec | -1.6 °C | +3.9 °C | 57 mm | -33 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 Briançon?
Briançon has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 0.6 °C and it receives 894 mm of precipitation per year.
What is the hottest day ever recorded in Briançon?
The hottest day measured in Briançon between 1940 and 2025 was 21 August 2023, reaching 26.6 °C.
What is the coldest day in Briançon?
The coldest day measured in Briançon between 1940 and 2025 was 30 December 2005, at -34.1 °C.
Does it snow in Briançon?
Yes. Briançon gets on average 428.3 cm of snow per year and has around 236 frost days.
Has the climate of Briançon warmed?
Yes: Briançon warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Briançon?
The wettest day measured in Briançon between 1940 and 2025 was 21 March 1971, with 76 mm of rain in 24 hours.
What was the windiest day in Briançon?
The windiest day measured in Briançon between 1940 and 2025 was 27 February 1990, with winds reaching 23.7 km/h.
What is the warmest month in Briançon?
The warmest month in Briançon is July (11.4 °C on average); the coldest is January (-9.5 °C).
How much does it rain in Briançon?
Briançon receives on average 894 mm of precipitation per year, spread over about 124 rainy days.
Is it sunny in Briançon?
Briançon gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
What is the biggest single-day snowfall in Briançon?
The heaviest 24-hour snowfall measured in Briançon between 1940 and 2025 was 21 March 1971, with 53.1 cm.
Are there tropical nights in Briançon?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Briançon.
What was the most extreme apparent temperature in Briançon?
In Briançon, between 1940 and 2025, the highest apparent temperature reached 26.3 °C on 30 July 2024, and the lowest was -39.1 °C on 30 December 2005.
Compare Briançon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Briançon