Alençon climate — normals and trends
Alençon (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.3 °C and it receives 730 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 (17.6 °C on average) and the coldest is January (3.4 °C). Rainfall peaks in May.
Alençon averages 44 frost days, 2 hot days (≥ 30 °C) and 131 rainy days per year.
Alençon has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 56 to 32 per year over the period.
The hottest day of the period reached 37.0 °C (on 10 August 2003) and the coldest -19.8 °C (on 21 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
AlençonNormandy
- coords
- 48.43°, 0.09°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.3°C
Average daily high
14.0°C
Average daily low
6.8°C
Annual rainfall
730mm
Sunshine / day
7.8h
Mean relative humidity
81%
Average peak wind
17.8km/h
Seasonal range
14.2°C
Frost days (< 0 °C)
44 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
131 d/yr
Annual snowfall
14.7 cm
Average feels-like high
11.8 °C
Average feels-like low
4.2 °C
Average peak gust
38.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
37.0 °C
10 August 2003
Coldest day
-19.8 °C
21 January 1942
Wettest day
43 mm
15 September 2006
Windiest day
52.2 km/h
11 March 1963
Strongest gust
128.9 km/h
26 December 1999
Hottest feels-like
39.9 °C
6 August 2003
Coldest feels-like
-24.9 °C
8 January 1985
Snowiest day
14.1 cm
28 February 1962
Sunniest day
15.9 h
19 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 | 6.2 °C | +0.4 °C | 168 mm | +103 mm |
| Feb | 7.7 °C | +0.6 °C | 61 mm | +3 mm |
| Mar | 12.4 °C | +2.0 °C | 27 mm | -33 mm |
| Apr | 17.5 °C | +4.2 °C | 37 mm | -23 mm |
| May | 19.3 °C | +2.5 °C | 37 mm | -35 mm |
| Jun | 24.8 °C | +4.7 °C | 57 mm | -3 mm |
| Jul | 24.0 °C | +1.9 °C | 64 mm | +12 mm |
| Aug | 24.7 °C | +2.8 °C | 39 mm | -13 mm |
| Sep | 19.2 °C | +0.1 °C | 49 mm | -5 mm |
| Oct | 15.6 °C | +0.8 °C | 65 mm | -1 mm |
| Nov | 11.4 °C | +1.9 °C | 66 mm | -2 mm |
| Dec | 8.5 °C | +1.8 °C | 44 mm | -21 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 Alençon?
Alençon has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.3 °C and it receives 730 mm of precipitation per year.
What is the hottest day ever recorded in Alençon?
The hottest day measured in Alençon between 1940 and 2025 was 10 August 2003, reaching 37.0 °C.
What is the coldest day in Alençon?
The coldest day measured in Alençon between 1940 and 2025 was 21 January 1942, at -19.8 °C.
Does it snow in Alençon?
Yes. Alençon gets on average 14.7 cm of snow per year and has around 44 frost days.
Has the climate of Alençon warmed?
Yes: Alençon warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alençon?
The wettest day measured in Alençon between 1940 and 2025 was 15 September 2006, with 43 mm of rain in 24 hours.
What was the windiest day in Alençon?
The windiest day measured in Alençon between 1940 and 2025 was 11 March 1963, with winds reaching 52.2 km/h.
What is the warmest month in Alençon?
The warmest month in Alençon is July (17.6 °C on average); the coldest is January (3.4 °C).
How much does it rain in Alençon?
Alençon receives on average 730 mm of precipitation per year, spread over about 131 rainy days.
Is it sunny in Alençon?
Alençon gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Alençon?
The heaviest 24-hour snowfall measured in Alençon between 1940 and 2025 was 28 February 1962, with 14.1 cm.
Are there tropical nights in Alençon?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Alençon.
What was the most extreme apparent temperature in Alençon?
In Alençon, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 6 August 2003, and the lowest was -24.9 °C on 8 January 1985.
Compare Alençon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Alençon