Ajaccio climate — normals and trends
Ajaccio (France) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °C and it receives 889 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 August (22.0 °C on average) and the coldest is January (8.1 °C). Rainfall peaks in November.
Ajaccio averages 1 frost days, 0 hot days (≥ 30 °C) and 115 rainy days per year.
Ajaccio 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 3 to 0 per year over the period.
The hottest day of the period reached 33.9 °C (on 26 July 1983) and the coldest -4.2 °C (on 10 February 1986).
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
AjaccioCorsica
- coords
- 41.92°, 8.74°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.4°C
Average daily high
16.0°C
Average daily low
12.8°C
Annual rainfall
889mm
Sunshine / day
10.4h
Mean relative humidity
76%
Average peak wind
16.1km/h
Seasonal range
13.9°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
115 d/yr
Annual snowfall
13.0 cm
Average feels-like high
15.5 °C
Average feels-like low
11.2 °C
Average peak gust
30.3 km/h
Tropical nights (≥ 20 °C)
41 d/yr
Solar radiation
15.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
33.9 °C
26 July 1983
Coldest day
-4.2 °C
10 February 1986
Wettest day
71 mm
5 February 1951
Windiest day
60.6 km/h
28 December 1999
Strongest gust
123.8 km/h
28 December 1999
Hottest feels-like
35.3 °C
18 July 2023
Coldest feels-like
-12.0 °C
10 February 1986
Snowiest day
21.1 cm
15 January 1987
Sunniest day
15.0 h
18 June 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 | 11.5 °C | +1.9 °C | 98 mm | -3 mm |
| Feb | 12.0 °C | +2.2 °C | 38 mm | -61 mm |
| Mar | 12.8 °C | +1.5 °C | 205 mm | +121 mm |
| Apr | 14.9 °C | +1.5 °C | 148 mm | +75 mm |
| May | 18.0 °C | +1.2 °C | 50 mm | -6 mm |
| Jun | 24.7 °C | +4.2 °C | 0 mm | -32 mm |
| Jul | 24.9 °C | +1.7 °C | 12 mm | -0 mm |
| Aug | 25.0 °C | +1.3 °C | 19 mm | +1 mm |
| Sep | 22.3 °C | +1.2 °C | 24 mm | -25 mm |
| Oct | 18.5 °C | +0.7 °C | 106 mm | +7 mm |
| Nov | 14.7 °C | +1.0 °C | 106 mm | -29 mm |
| Dec | 12.9 °C | +2.1 °C | 97 mm | -34 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 Ajaccio?
Ajaccio has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 889 mm of precipitation per year.
What is the hottest day ever recorded in Ajaccio?
The hottest day measured in Ajaccio between 1940 and 2025 was 26 July 1983, reaching 33.9 °C.
What is the coldest day in Ajaccio?
The coldest day measured in Ajaccio between 1940 and 2025 was 10 February 1986, at -4.2 °C.
Does it snow in Ajaccio?
Yes. Ajaccio gets on average 13.0 cm of snow per year and has around 1 frost days.
Has the climate of Ajaccio warmed?
Yes: Ajaccio warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ajaccio?
The wettest day measured in Ajaccio between 1940 and 2025 was 5 February 1951, with 71 mm of rain in 24 hours.
What was the windiest day in Ajaccio?
The windiest day measured in Ajaccio between 1940 and 2025 was 28 December 1999, with winds reaching 60.6 km/h.
What is the warmest month in Ajaccio?
The warmest month in Ajaccio is August (22.0 °C on average); the coldest is January (8.1 °C).
How much does it rain in Ajaccio?
Ajaccio receives on average 889 mm of precipitation per year, spread over about 115 rainy days.
Is it sunny in Ajaccio?
Ajaccio gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ajaccio?
The heaviest 24-hour snowfall measured in Ajaccio between 1940 and 2025 was 15 January 1987, with 21.1 cm.
Are there tropical nights in Ajaccio?
Yes: Ajaccio has on average 41 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ajaccio?
In Ajaccio, between 1940 and 2025, the highest apparent temperature reached 35.3 °C on 18 July 2023, and the lowest was -12.0 °C on 10 February 1986.
Compare Ajaccio with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ajaccio