Saint-Georges-de-Didonne climate — normals and trends
Saint-Georges-de-Didonne (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 13.5 °C and it receives 715 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 (20.9 °C on average) and the coldest is January (6.4 °C). Rainfall peaks in December.
Saint-Georges-de-Didonne averages 19 frost days, 15 hot days (≥ 30 °C) and 124 rainy days per year.
Saint-Georges-de-Didonne has warmed by +1.6 °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 25 to 13 per year over the period.
The hottest day of the period reached 41.3 °C (on 18 June 2022) and the coldest -11.6 °C (on 22 February 1956).
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
Saint-Georges-de-DidonneNew Aquitaine
- coords
- 45.61°, -1.00°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.5°C
Average daily high
17.5°C
Average daily low
9.8°C
Annual rainfall
715mm
Sunshine / day
9.3h
Mean relative humidity
75%
Average peak wind
19.1km/h
Seasonal range
14.5°C
Frost days (< 0 °C)
19 d/yr
Hot days (≥ 30 °C)
15 d/yr
Rainy days (≥ 1 mm)
124 d/yr
Annual snowfall
2.0 cm
Average feels-like high
15.7 °C
Average feels-like low
7.6 °C
Average peak gust
37.9 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
13.6 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
41.3 °C
18 June 2022
Coldest day
-11.6 °C
22 February 1956
Wettest day
48 mm
28 September 1991
Windiest day
77.7 km/h
27 December 1999
Strongest gust
146.2 km/h
27 December 1999
Hottest feels-like
42.1 °C
23 August 2023
Coldest feels-like
-17.5 °C
12 January 1987
Snowiest day
8.9 cm
28 November 1947
Sunniest day
15.3 h
17 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 | 10.7 °C | +1.4 °C | 140 mm | +70 mm |
| Feb | 13.0 °C | +2.3 °C | 81 mm | +21 mm |
| Mar | 14.8 °C | +1.1 °C | 37 mm | -18 mm |
| Apr | 19.2 °C | +2.8 °C | 77 mm | +20 mm |
| May | 21.9 °C | +2.1 °C | 37 mm | -26 mm |
| Jun | 28.3 °C | +4.9 °C | 13 mm | -36 mm |
| Jul | 27.0 °C | +1.3 °C | 31 mm | -7 mm |
| Aug | 29.1 °C | +3.5 °C | 54 mm | +9 mm |
| Sep | 22.1 °C | -1.0 °C | 48 mm | -7 mm |
| Oct | 19.7 °C | +1.1 °C | 92 mm | +23 mm |
| Nov | 14.8 °C | +1.7 °C | 92 mm | +16 mm |
| Dec | 11.4 °C | +1.3 °C | 62 mm | -16 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 Saint-Georges-de-Didonne?
Saint-Georges-de-Didonne has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 13.5 °C and it receives 715 mm of precipitation per year.
What is the hottest day ever recorded in Saint-Georges-de-Didonne?
The hottest day measured in Saint-Georges-de-Didonne between 1940 and 2025 was 18 June 2022, reaching 41.3 °C.
What is the coldest day in Saint-Georges-de-Didonne?
The coldest day measured in Saint-Georges-de-Didonne between 1940 and 2025 was 22 February 1956, at -11.6 °C.
Does it snow in Saint-Georges-de-Didonne?
Yes. Saint-Georges-de-Didonne gets on average 2.0 cm of snow per year and has around 19 frost days.
Has the climate of Saint-Georges-de-Didonne warmed?
Yes: Saint-Georges-de-Didonne warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Saint-Georges-de-Didonne?
The wettest day measured in Saint-Georges-de-Didonne between 1940 and 2025 was 28 September 1991, with 48 mm of rain in 24 hours.
What was the windiest day in Saint-Georges-de-Didonne?
The windiest day measured in Saint-Georges-de-Didonne between 1940 and 2025 was 27 December 1999, with winds reaching 77.7 km/h.
What is the warmest month in Saint-Georges-de-Didonne?
The warmest month in Saint-Georges-de-Didonne is July (20.9 °C on average); the coldest is January (6.4 °C).
How much does it rain in Saint-Georges-de-Didonne?
Saint-Georges-de-Didonne receives on average 715 mm of precipitation per year, spread over about 124 rainy days.
Is it sunny in Saint-Georges-de-Didonne?
Saint-Georges-de-Didonne gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Saint-Georges-de-Didonne?
The heaviest 24-hour snowfall measured in Saint-Georges-de-Didonne between 1940 and 2025 was 28 November 1947, with 8.9 cm.
Are there tropical nights in Saint-Georges-de-Didonne?
Yes: Saint-Georges-de-Didonne has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Saint-Georges-de-Didonne?
In Saint-Georges-de-Didonne, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 23 August 2023, and the lowest was -17.5 °C on 12 January 1987.
Compare Saint-Georges-de-Didonne with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Saint-Georges-de-Didonne