Lesneven climate — normals and trends
Lesneven (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.4 °C and it receives 848 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 (16.6 °C on average) and the coldest is January (6.8 °C). Rainfall peaks in December.
Lesneven averages 8 frost days, 0 hot days (≥ 30 °C) and 155 rainy days per year.
Lesneven has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The number of frost days there went from about 12 to 4 per year over the period.
The hottest day of the period reached 39.0 °C (on 18 July 2022) and the coldest -8.1 °C (on 13 January 1987).
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
LesnevenBrittany Region
- coords
- 48.57°, -4.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.4°C
Average daily high
14.2°C
Average daily low
8.8°C
Annual rainfall
848mm
Sunshine / day
8.9h
Mean relative humidity
82%
Average peak wind
23.1km/h
Seasonal range
9.8°C
Frost days (< 0 °C)
8 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
3.3 cm
Average feels-like high
11.8 °C
Average feels-like low
5.9 °C
Average peak gust
44.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.28 · 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
39.0 °C
18 July 2022
Coldest day
-8.1 °C
13 January 1987
Wettest day
50 mm
6 February 2014
Windiest day
74.6 km/h
2 November 2023
Strongest gust
134.6 km/h
25 January 1990
Hottest feels-like
37.7 °C
9 August 2003
Coldest feels-like
-15.6 °C
13 January 1987
Snowiest day
7.4 cm
19 February 1963
Sunniest day
15.4 h
18 June 1945
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 9.4 °C | +0.6 °C | 163 mm | +76 mm |
| Feb | 10.3 °C | +1.2 °C | 59 mm | -17 mm |
| Mar | 12.5 °C | +1.6 °C | 37 mm | -37 mm |
| Apr | 16.2 °C | +3.5 °C | 86 mm | +19 mm |
| May | 17.2 °C | +1.8 °C | 71 mm | +0 mm |
| Jun | 21.0 °C | +3.0 °C | 48 mm | -4 mm |
| Jul | 21.4 °C | +1.5 °C | 41 mm | -6 mm |
| Aug | 22.4 °C | +2.4 °C | 41 mm | -13 mm |
| Sep | 17.8 °C | -0.6 °C | 81 mm | +21 mm |
| Oct | 16.2 °C | +0.9 °C | 76 mm | -1 mm |
| Nov | 13.3 °C | +1.6 °C | 106 mm | +17 mm |
| Dec | 10.8 °C | +1.1 °C | 132 mm | +39 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 Lesneven?
Lesneven has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.4 °C and it receives 848 mm of precipitation per year.
What is the hottest day ever recorded in Lesneven?
The hottest day measured in Lesneven between 1940 and 2025 was 18 July 2022, reaching 39.0 °C.
What is the coldest day in Lesneven?
The coldest day measured in Lesneven between 1940 and 2025 was 13 January 1987, at -8.1 °C.
Does it snow in Lesneven?
Yes. Lesneven gets on average 3.3 cm of snow per year and has around 8 frost days.
Has the climate of Lesneven warmed?
Yes: Lesneven warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lesneven?
The wettest day measured in Lesneven between 1940 and 2025 was 6 February 2014, with 50 mm of rain in 24 hours.
What was the windiest day in Lesneven?
The windiest day measured in Lesneven between 1940 and 2025 was 2 November 2023, with winds reaching 74.6 km/h.
What is the warmest month in Lesneven?
The warmest month in Lesneven is July (16.6 °C on average); the coldest is January (6.8 °C).
How much does it rain in Lesneven?
Lesneven receives on average 848 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Lesneven?
Lesneven gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lesneven?
The heaviest 24-hour snowfall measured in Lesneven between 1940 and 2025 was 19 February 1963, with 7.4 cm.
Are there tropical nights in Lesneven?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Lesneven.
What was the most extreme apparent temperature in Lesneven?
In Lesneven, between 1940 and 2025, the highest apparent temperature reached 37.7 °C on 9 August 2003, and the lowest was -15.6 °C on 13 January 1987.
Compare Lesneven with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lesneven