Le Mans climate — normals and trends
Le Mans (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.3 °C and it receives 671 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 (19.0 °C on average) and the coldest is January (4.1 °C). Rainfall peaks in May.
Le Mans averages 39 frost days, 6 hot days (≥ 30 °C) and 122 rainy days per year.
Le Mans 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 51 to 27 per year over the period.
The hottest day of the period reached 39.6 °C (on 18 July 2022) 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
Le MansPays de la Loire Region
- coords
- 48.00°, 0.20°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.3°C
Average daily high
15.2°C
Average daily low
7.6°C
Annual rainfall
671mm
Sunshine / day
8.0h
Mean relative humidity
79%
Average peak wind
18.2km/h
Seasonal range
14.9°C
Frost days (< 0 °C)
39 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
8.9 cm
Average feels-like high
13.1 °C
Average feels-like low
5.0 °C
Average peak gust
36.2 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
39.6 °C
18 July 2022
Coldest day
-19.8 °C
21 January 1942
Wettest day
65 mm
15 September 2006
Windiest day
64.4 km/h
26 December 1999
Strongest gust
129.6 km/h
26 December 1999
Hottest feels-like
41.8 °C
30 July 2024
Coldest feels-like
-24.8 °C
21 January 1942
Snowiest day
16.9 cm
23 February 1942
Sunniest day
15.8 h
24 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 | 7.3 °C | +0.6 °C | 148 mm | +87 mm |
| Feb | 8.7 °C | +0.6 °C | 70 mm | +15 mm |
| Mar | 13.5 °C | +2.0 °C | 33 mm | -21 mm |
| Apr | 18.6 °C | +4.1 °C | 34 mm | -20 mm |
| May | 21.2 °C | +3.1 °C | 27 mm | -38 mm |
| Jun | 27.3 °C | +5.7 °C | 31 mm | -18 mm |
| Jul | 26.4 °C | +2.6 °C | 59 mm | +15 mm |
| Aug | 26.6 °C | +3.1 °C | 36 mm | -10 mm |
| Sep | 20.4 °C | -0.2 °C | 43 mm | -8 mm |
| Oct | 16.9 °C | +0.9 °C | 53 mm | -10 mm |
| Nov | 12.5 °C | +2.0 °C | 81 mm | +16 mm |
| Dec | 9.5 °C | +2.0 °C | 49 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 Le Mans?
Le Mans has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.3 °C and it receives 671 mm of precipitation per year.
What is the hottest day ever recorded in Le Mans?
The hottest day measured in Le Mans between 1940 and 2025 was 18 July 2022, reaching 39.6 °C.
What is the coldest day in Le Mans?
The coldest day measured in Le Mans between 1940 and 2025 was 21 January 1942, at -19.8 °C.
Does it snow in Le Mans?
Yes. Le Mans gets on average 8.9 cm of snow per year and has around 39 frost days.
Has the climate of Le Mans warmed?
Yes: Le Mans warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Le Mans?
The wettest day measured in Le Mans between 1940 and 2025 was 15 September 2006, with 65 mm of rain in 24 hours.
What was the windiest day in Le Mans?
The windiest day measured in Le Mans between 1940 and 2025 was 26 December 1999, with winds reaching 64.4 km/h.
What is the warmest month in Le Mans?
The warmest month in Le Mans is July (19.0 °C on average); the coldest is January (4.1 °C).
How much does it rain in Le Mans?
Le Mans receives on average 671 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Le Mans?
Le Mans gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Le Mans?
The heaviest 24-hour snowfall measured in Le Mans between 1940 and 2025 was 23 February 1942, with 16.9 cm.
Are there tropical nights in Le Mans?
Yes: Le Mans has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Le Mans?
In Le Mans, between 1940 and 2025, the highest apparent temperature reached 41.8 °C on 30 July 2024, and the lowest was -24.8 °C on 21 January 1942.
Compare Le Mans with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Le Mans