Gourin climate — normals and trends
Gourin (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.6 °C and it receives 834 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 (5.1 °C). Rainfall peaks in December.
Gourin averages 29 frost days, 1 hot days (≥ 30 °C) and 138 rainy days per year.
Gourin has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The number of frost days there went from about 37 to 21 per year over the period.
The hottest day of the period reached 38.2 °C (on 18 July 2022) and the coldest -13.6 °C (on 16 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
GourinBrittany Region
- coords
- 48.14°, -3.61°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.6°C
Average daily high
14.2°C
Average daily low
7.3°C
Annual rainfall
834mm
Sunshine / day
8.5h
Mean relative humidity
83%
Average peak wind
18.7km/h
Seasonal range
11.5°C
Frost days (< 0 °C)
29 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
5.8 cm
Average feels-like high
12.0 °C
Average feels-like low
4.8 °C
Average peak gust
40.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.29 · 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
38.2 °C
18 July 2022
Coldest day
-13.6 °C
16 January 1985
Wettest day
52 mm
21 August 1944
Windiest day
64.0 km/h
16 October 1987
Strongest gust
131.8 km/h
16 October 1987
Hottest feels-like
39.4 °C
9 August 2003
Coldest feels-like
-17.9 °C
20 January 1963
Snowiest day
10.6 cm
4 January 1979
Sunniest day
15.5 h
13 June 1959
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 | 8.2 °C | +0.6 °C | 183 mm | +102 mm |
| Feb | 9.4 °C | +1.0 °C | 52 mm | -20 mm |
| Mar | 12.3 °C | +1.5 °C | 40 mm | -32 mm |
| Apr | 16.7 °C | +3.7 °C | 73 mm | +1 mm |
| May | 18.1 °C | +2.1 °C | 59 mm | -22 mm |
| Jun | 22.9 °C | +3.8 °C | 36 mm | -22 mm |
| Jul | 22.7 °C | +1.7 °C | 42 mm | -7 mm |
| Aug | 23.8 °C | +3.0 °C | 57 mm | +2 mm |
| Sep | 18.0 °C | -0.7 °C | 65 mm | +7 mm |
| Oct | 16.0 °C | +0.9 °C | 64 mm | -8 mm |
| Nov | 12.6 °C | +1.8 °C | 77 mm | -2 mm |
| Dec | 9.5 °C | +1.0 °C | 106 mm | +20 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 Gourin?
Gourin has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.6 °C and it receives 834 mm of precipitation per year.
What is the hottest day ever recorded in Gourin?
The hottest day measured in Gourin between 1940 and 2025 was 18 July 2022, reaching 38.2 °C.
What is the coldest day in Gourin?
The coldest day measured in Gourin between 1940 and 2025 was 16 January 1985, at -13.6 °C.
Does it snow in Gourin?
Yes. Gourin gets on average 5.8 cm of snow per year and has around 29 frost days.
Has the climate of Gourin warmed?
Yes: Gourin warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gourin?
The wettest day measured in Gourin between 1940 and 2025 was 21 August 1944, with 52 mm of rain in 24 hours.
What was the windiest day in Gourin?
The windiest day measured in Gourin between 1940 and 2025 was 16 October 1987, with winds reaching 64.0 km/h.
What is the warmest month in Gourin?
The warmest month in Gourin is July (16.6 °C on average); the coldest is January (5.1 °C).
How much does it rain in Gourin?
Gourin receives on average 834 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Gourin?
Gourin gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Gourin?
The heaviest 24-hour snowfall measured in Gourin between 1940 and 2025 was 4 January 1979, with 10.6 cm.
Are there tropical nights in Gourin?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Gourin.
What was the most extreme apparent temperature in Gourin?
In Gourin, between 1940 and 2025, the highest apparent temperature reached 39.4 °C on 9 August 2003, and the lowest was -17.9 °C on 20 January 1963.
Compare Gourin with another city
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Nearby cities
The climate around Gourin