Aussillon climate — normals and trends
Aussillon (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.7 °C and it receives 1,036 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 (20.0 °C on average) and the coldest is January (4.1 °C). Rainfall peaks in December.
Aussillon averages 38 frost days, 8 hot days (≥ 30 °C) and 139 rainy days per year.
Aussillon has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 50 to 26 per year over the period.
The hottest day of the period reached 38.3 °C (on 11 August 2025) and the coldest -20.9 °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
AussillonOccitanie
- coords
- 43.50°, 2.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.7°C
Average daily high
15.8°C
Average daily low
8.0°C
Annual rainfall
1,036mm
Sunshine / day
9.1h
Mean relative humidity
79%
Average peak wind
18.7km/h
Seasonal range
15.9°C
Frost days (< 0 °C)
38 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
36.1 cm
Average feels-like high
14.0 °C
Average feels-like low
5.6 °C
Average peak gust
44.4 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
13.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.49 · 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
38.3 °C
11 August 2025
Coldest day
-20.9 °C
13 January 1942
Wettest day
98 mm
4 September 1972
Windiest day
50.8 km/h
3 December 1963
Strongest gust
142.9 km/h
24 January 2009
Hottest feels-like
42.1 °C
23 August 2023
Coldest feels-like
-25.6 °C
13 January 1942
Snowiest day
20.5 cm
1 November 1956
Sunniest day
14.7 h
23 June 2018
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 | 9.4 °C | +2.3 °C | 72 mm | -28 mm |
| Feb | 11.5 °C | +2.9 °C | 33 mm | -59 mm |
| Mar | 11.9 °C | +0.2 °C | 115 mm | +21 mm |
| Apr | 16.7 °C | +2.3 °C | 85 mm | -16 mm |
| May | 19.9 °C | +1.8 °C | 179 mm | +73 mm |
| Jun | 27.8 °C | +5.7 °C | 31 mm | -40 mm |
| Jul | 26.4 °C | +1.5 °C | 37 mm | -16 mm |
| Aug | 29.1 °C | +4.2 °C | 109 mm | +47 mm |
| Sep | 20.9 °C | -0.7 °C | 40 mm | -31 mm |
| Oct | 18.8 °C | +1.9 °C | 52 mm | -29 mm |
| Nov | 12.0 °C | +0.9 °C | 133 mm | +39 mm |
| Dec | 10.4 °C | +2.4 °C | 96 mm | -15 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 Aussillon?
Aussillon has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.7 °C and it receives 1,036 mm of precipitation per year.
What is the hottest day ever recorded in Aussillon?
The hottest day measured in Aussillon between 1940 and 2025 was 11 August 2025, reaching 38.3 °C.
What is the coldest day in Aussillon?
The coldest day measured in Aussillon between 1940 and 2025 was 13 January 1942, at -20.9 °C.
Does it snow in Aussillon?
Yes. Aussillon gets on average 36.1 cm of snow per year and has around 38 frost days.
Has the climate of Aussillon warmed?
Yes: Aussillon warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Aussillon?
The wettest day measured in Aussillon between 1940 and 2025 was 4 September 1972, with 98 mm of rain in 24 hours.
What was the windiest day in Aussillon?
The windiest day measured in Aussillon between 1940 and 2025 was 3 December 1963, with winds reaching 50.8 km/h.
What is the warmest month in Aussillon?
The warmest month in Aussillon is July (20.0 °C on average); the coldest is January (4.1 °C).
How much does it rain in Aussillon?
Aussillon receives on average 1,036 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in Aussillon?
Aussillon 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 Aussillon?
The heaviest 24-hour snowfall measured in Aussillon between 1940 and 2025 was 1 November 1956, with 20.5 cm.
Are there tropical nights in Aussillon?
Yes: Aussillon has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Aussillon?
In Aussillon, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 23 August 2023, and the lowest was -25.6 °C on 13 January 1942.
Compare Aussillon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Aussillon