Argentan climate — normals and trends
Argentan (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.3 °C and it receives 707 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 (17.4 °C on average) and the coldest is January (3.6 °C). Rainfall peaks in May.
Argentan averages 43 frost days, 2 hot days (≥ 30 °C) and 132 rainy days per year.
Argentan 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 30 per year over the period.
The hottest day of the period reached 36.8 °C (on 10 August 2003) and the coldest -21.3 °C (on 8 January 1985).
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
ArgentanNormandy
- coords
- 48.74°, -0.02°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.3°C
Average daily high
13.9°C
Average daily low
6.8°C
Annual rainfall
707mm
Sunshine / day
7.5h
Mean relative humidity
81%
Average peak wind
17.9km/h
Seasonal range
13.8°C
Frost days (< 0 °C)
43 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
14.9 cm
Average feels-like high
11.8 °C
Average feels-like low
4.2 °C
Average peak gust
37.7 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 = 0.39 · 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
36.8 °C
10 August 2003
Coldest day
-21.3 °C
8 January 1985
Wettest day
48 mm
17 August 2022
Windiest day
52.4 km/h
16 October 1987
Strongest gust
119.5 km/h
23 November 1984
Hottest feels-like
39.1 °C
10 August 2003
Coldest feels-like
-27.0 °C
8 January 1985
Snowiest day
13.6 cm
26 January 2004
Sunniest day
16.0 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 | 6.4 °C | +0.5 °C | 165 mm | +105 mm |
| Feb | 7.8 °C | +0.6 °C | 58 mm | +3 mm |
| Mar | 12.4 °C | +2.0 °C | 25 mm | -31 mm |
| Apr | 17.3 °C | +4.0 °C | 32 mm | -26 mm |
| May | 18.9 °C | +2.2 °C | 45 mm | -27 mm |
| Jun | 24.2 °C | +4.3 °C | 54 mm | -7 mm |
| Jul | 23.5 °C | +1.5 °C | 72 mm | +20 mm |
| Aug | 24.3 °C | +2.6 °C | 48 mm | -4 mm |
| Sep | 19.2 °C | +0.2 °C | 50 mm | -3 mm |
| Oct | 15.5 °C | +0.7 °C | 60 mm | -2 mm |
| Nov | 11.4 °C | +1.8 °C | 71 mm | +6 mm |
| Dec | 8.5 °C | +1.7 °C | 42 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 Argentan?
Argentan has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.3 °C and it receives 707 mm of precipitation per year.
What is the hottest day ever recorded in Argentan?
The hottest day measured in Argentan between 1940 and 2025 was 10 August 2003, reaching 36.8 °C.
What is the coldest day in Argentan?
The coldest day measured in Argentan between 1940 and 2025 was 8 January 1985, at -21.3 °C.
Does it snow in Argentan?
Yes. Argentan gets on average 14.9 cm of snow per year and has around 43 frost days.
Has the climate of Argentan warmed?
Yes: Argentan warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Argentan?
The wettest day measured in Argentan between 1940 and 2025 was 17 August 2022, with 48 mm of rain in 24 hours.
What was the windiest day in Argentan?
The windiest day measured in Argentan between 1940 and 2025 was 16 October 1987, with winds reaching 52.4 km/h.
What is the warmest month in Argentan?
The warmest month in Argentan is July (17.4 °C on average); the coldest is January (3.6 °C).
How much does it rain in Argentan?
Argentan receives on average 707 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Argentan?
Argentan gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Argentan?
The heaviest 24-hour snowfall measured in Argentan between 1940 and 2025 was 26 January 2004, with 13.6 cm.
Are there tropical nights in Argentan?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Argentan.
What was the most extreme apparent temperature in Argentan?
In Argentan, between 1940 and 2025, the highest apparent temperature reached 39.1 °C on 10 August 2003, and the lowest was -27.0 °C on 8 January 1985.
Compare Argentan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Argentan