Carcassonne climate — normals and trends
Carcassonne (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.5 °C and it receives 788 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 (20.9 °C on average) and the coldest is January (4.8 °C). Rainfall peaks in December.
Carcassonne averages 28 frost days, 13 hot days (≥ 30 °C) and 122 rainy days per year.
Carcassonne has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 38 to 18 per year over the period.
The hottest day of the period reached 39.8 °C (on 11 August 2025) and the coldest -18.4 °C (on 13 January 1942).
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
CarcassonneOccitanie
- coords
- 43.22°, 2.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.5°C
Average daily high
16.7°C
Average daily low
8.7°C
Annual rainfall
788mm
Sunshine / day
9.3h
Mean relative humidity
77%
Average peak wind
19.5km/h
Seasonal range
16.1°C
Frost days (< 0 °C)
28 d/yr
Hot days (≥ 30 °C)
13 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
26.2 cm
Average feels-like high
14.8 °C
Average feels-like low
6.3 °C
Average peak gust
46.6 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
13.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.51 · 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
39.8 °C
11 August 2025
Coldest day
-18.4 °C
13 January 1942
Wettest day
95 mm
4 September 1972
Windiest day
52.6 km/h
24 January 2009
Strongest gust
149.8 km/h
24 January 2009
Hottest feels-like
43.8 °C
23 August 2023
Coldest feels-like
-23.3 °C
13 January 1942
Snowiest day
21.7 cm
1 November 1956
Sunniest day
14.6 h
20 June 2014
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 | 10.3 °C | +2.3 °C | 56 mm | -24 mm |
| Feb | 12.3 °C | +2.9 °C | 25 mm | -46 mm |
| Mar | 12.6 °C | +0.1 °C | 91 mm | +18 mm |
| Apr | 17.4 °C | +2.3 °C | 63 mm | -18 mm |
| May | 20.8 °C | +2.0 °C | 117 mm | +38 mm |
| Jun | 29.1 °C | +6.1 °C | 20 mm | -28 mm |
| Jul | 27.8 °C | +1.8 °C | 25 mm | -9 mm |
| Aug | 30.1 °C | +4.1 °C | 84 mm | +41 mm |
| Sep | 21.9 °C | -0.8 °C | 25 mm | -27 mm |
| Oct | 20.1 °C | +2.3 °C | 25 mm | -40 mm |
| Nov | 13.1 °C | +1.1 °C | 98 mm | +23 mm |
| Dec | 11.1 °C | +2.3 °C | 98 mm | +12 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 Carcassonne?
Carcassonne has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.5 °C and it receives 788 mm of precipitation per year.
What is the hottest day ever recorded in Carcassonne?
The hottest day measured in Carcassonne between 1940 and 2025 was 11 August 2025, reaching 39.8 °C.
What is the coldest day in Carcassonne?
The coldest day measured in Carcassonne between 1940 and 2025 was 13 January 1942, at -18.4 °C.
Does it snow in Carcassonne?
Yes. Carcassonne gets on average 26.2 cm of snow per year and has around 28 frost days.
Has the climate of Carcassonne warmed?
Yes: Carcassonne warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Carcassonne?
The wettest day measured in Carcassonne between 1940 and 2025 was 4 September 1972, with 95 mm of rain in 24 hours.
What was the windiest day in Carcassonne?
The windiest day measured in Carcassonne between 1940 and 2025 was 24 January 2009, with winds reaching 52.6 km/h.
What is the warmest month in Carcassonne?
The warmest month in Carcassonne is July (20.9 °C on average); the coldest is January (4.8 °C).
How much does it rain in Carcassonne?
Carcassonne receives on average 788 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Carcassonne?
Carcassonne gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Carcassonne?
The heaviest 24-hour snowfall measured in Carcassonne between 1940 and 2025 was 1 November 1956, with 21.7 cm.
Are there tropical nights in Carcassonne?
Yes: Carcassonne has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Carcassonne?
In Carcassonne, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 23 August 2023, and the lowest was -23.3 °C on 13 January 1942.
Compare Carcassonne with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Carcassonne