Alès climate — normals and trends
Alès (France) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 13.2 °C and it receives 1,109 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 (22.8 °C on average) and the coldest is January (4.7 °C). Rainfall peaks in October.
Alès averages 35 frost days, 31 hot days (≥ 30 °C) and 100 rainy days per year.
Alès has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 48 to 22 per year over the period.
The hottest day of the period reached 41.4 °C (on 28 June 2019) and the coldest -17.6 °C (on 4 February 1963).
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
AlèsOccitanie
- coords
- 44.12°, 4.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.2°C
Average daily high
18.4°C
Average daily low
8.5°C
Annual rainfall
1,109mm
Sunshine / day
9.7h
Mean relative humidity
69%
Average peak wind
13.7km/h
Seasonal range
18.1°C
Frost days (< 0 °C)
35 d/yr
Hot days (≥ 30 °C)
31 d/yr
Rainy days (≥ 1 mm)
100 d/yr
Annual snowfall
13.4 cm
Average feels-like high
17.0 °C
Average feels-like low
6.4 °C
Average peak gust
34.2 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.62 · 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
41.4 °C
28 June 2019
Coldest day
-17.6 °C
4 February 1963
Wettest day
159 mm
9 September 2002
Windiest day
41.5 km/h
4 May 1975
Strongest gust
116.3 km/h
8 November 1982
Hottest feels-like
43.0 °C
28 June 2019
Coldest feels-like
-23.0 °C
4 February 1963
Snowiest day
22.4 cm
3 March 1974
Sunniest day
14.9 h
20 June 2025
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 | 10.7 °C | +1.7 °C | 118 mm | +27 mm |
| Feb | 12.2 °C | +1.4 °C | 168 mm | +91 mm |
| Mar | 14.1 °C | -0.1 °C | 156 mm | +65 mm |
| Apr | 19.0 °C | +1.8 °C | 95 mm | +2 mm |
| May | 22.9 °C | +1.7 °C | 60 mm | -29 mm |
| Jun | 31.3 °C | +5.5 °C | 38 mm | -14 mm |
| Jul | 30.5 °C | +1.4 °C | 52 mm | +19 mm |
| Aug | 32.1 °C | +3.6 °C | 50 mm | -13 mm |
| Sep | 24.1 °C | 0.0 °C | 75 mm | -45 mm |
| Oct | 20.6 °C | +2.1 °C | 54 mm | -117 mm |
| Nov | 14.3 °C | +1.3 °C | 109 mm | -20 mm |
| Dec | 11.4 °C | +1.7 °C | 303 mm | +200 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 Alès?
Alès has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 13.2 °C and it receives 1,109 mm of precipitation per year.
What is the hottest day ever recorded in Alès?
The hottest day measured in Alès between 1940 and 2025 was 28 June 2019, reaching 41.4 °C.
What is the coldest day in Alès?
The coldest day measured in Alès between 1940 and 2025 was 4 February 1963, at -17.6 °C.
Does it snow in Alès?
Yes. Alès gets on average 13.4 cm of snow per year and has around 35 frost days.
Has the climate of Alès warmed?
Yes: Alès warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alès?
The wettest day measured in Alès between 1940 and 2025 was 9 September 2002, with 159 mm of rain in 24 hours.
What was the windiest day in Alès?
The windiest day measured in Alès between 1940 and 2025 was 4 May 1975, with winds reaching 41.5 km/h.
What is the warmest month in Alès?
The warmest month in Alès is July (22.8 °C on average); the coldest is January (4.7 °C).
How much does it rain in Alès?
Alès receives on average 1,109 mm of precipitation per year, spread over about 100 rainy days.
Is it sunny in Alès?
Alès gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
What is the biggest single-day snowfall in Alès?
The heaviest 24-hour snowfall measured in Alès between 1940 and 2025 was 3 March 1974, with 22.4 cm.
Are there tropical nights in Alès?
Yes: Alès has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Alès?
In Alès, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 28 June 2019, and the lowest was -23.0 °C on 4 February 1963.
Compare Alès with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Alès