Ancenis climate — normals and trends
Ancenis (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.8 °C and it receives 684 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 (19.1 °C on average) and the coldest is January (5.0 °C). Rainfall peaks in December.
Ancenis averages 32 frost days, 6 hot days (≥ 30 °C) and 120 rainy days per year.
Ancenis has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 41 to 23 per year over the period.
The hottest day of the period reached 42.0 °C (on 18 July 2022) and the coldest -12.7 °C (on 2 January 1997).
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
AncenisPays de la Loire Region
- coords
- 47.37°, -1.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.8°C
Average daily high
15.7°C
Average daily low
8.1°C
Annual rainfall
684mm
Sunshine / day
8.4h
Mean relative humidity
79%
Average peak wind
19.6km/h
Seasonal range
14.1°C
Frost days (< 0 °C)
32 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
120 d/yr
Annual snowfall
4.3 cm
Average feels-like high
13.6 °C
Average feels-like low
5.6 °C
Average peak gust
37.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
12.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.33 · 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
42.0 °C
18 July 2022
Coldest day
-12.7 °C
2 January 1997
Wettest day
81 mm
9 October 2024
Windiest day
64.7 km/h
11 March 1963
Strongest gust
131.8 km/h
26 December 1999
Hottest feels-like
41.2 °C
5 August 2003
Coldest feels-like
-19.2 °C
13 January 1987
Snowiest day
8.9 cm
26 January 1945
Sunniest day
15.7 h
22 June 2018
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 | 8.5 °C | +0.7 °C | 171 mm | +104 mm |
| Feb | 9.8 °C | +0.7 °C | 54 mm | -3 mm |
| Mar | 13.7 °C | +1.7 °C | 42 mm | -16 mm |
| Apr | 18.2 °C | +3.5 °C | 82 mm | +26 mm |
| May | 20.9 °C | +2.7 °C | 26 mm | -41 mm |
| Jun | 27.0 °C | +5.3 °C | 25 mm | -24 mm |
| Jul | 26.3 °C | +2.5 °C | 43 mm | +4 mm |
| Aug | 27.5 °C | +3.8 °C | 28 mm | -14 mm |
| Sep | 20.9 °C | -0.3 °C | 34 mm | -16 mm |
| Oct | 17.9 °C | +1.2 °C | 51 mm | -14 mm |
| Nov | 13.7 °C | +2.2 °C | 56 mm | -12 mm |
| Dec | 9.9 °C | +1.3 °C | 65 mm | -5 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 Ancenis?
Ancenis has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.8 °C and it receives 684 mm of precipitation per year.
What is the hottest day ever recorded in Ancenis?
The hottest day measured in Ancenis between 1940 and 2025 was 18 July 2022, reaching 42.0 °C.
What is the coldest day in Ancenis?
The coldest day measured in Ancenis between 1940 and 2025 was 2 January 1997, at -12.7 °C.
Does it snow in Ancenis?
Yes. Ancenis gets on average 4.3 cm of snow per year and has around 32 frost days.
Has the climate of Ancenis warmed?
Yes: Ancenis warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ancenis?
The wettest day measured in Ancenis between 1940 and 2025 was 9 October 2024, with 81 mm of rain in 24 hours.
What was the windiest day in Ancenis?
The windiest day measured in Ancenis between 1940 and 2025 was 11 March 1963, with winds reaching 64.7 km/h.
What is the warmest month in Ancenis?
The warmest month in Ancenis is July (19.1 °C on average); the coldest is January (5.0 °C).
How much does it rain in Ancenis?
Ancenis receives on average 684 mm of precipitation per year, spread over about 120 rainy days.
Is it sunny in Ancenis?
Ancenis gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ancenis?
The heaviest 24-hour snowfall measured in Ancenis between 1940 and 2025 was 26 January 1945, with 8.9 cm.
Are there tropical nights in Ancenis?
Yes: Ancenis has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ancenis?
In Ancenis, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 5 August 2003, and the lowest was -19.2 °C on 13 January 1987.
Compare Ancenis with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ancenis