Perros-Guirec climate — normals and trends
Perros-Guirec (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.6 °C and it receives 916 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 August (16.5 °C on average) and the coldest is February (7.4 °C). Rainfall peaks in December.
Perros-Guirec averages 1 frost days, 0 hot days (≥ 30 °C) and 158 rainy days per year.
Perros-Guirec has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.4 °C (on 19 July 2016) and the coldest -5.6 °C (on 20 January 1963).
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
Perros-GuirecBrittany Region
- coords
- 48.81°, -3.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.6°C
Average daily high
13.1°C
Average daily low
10.3°C
Annual rainfall
916mm
Sunshine / day
8.7h
Mean relative humidity
82%
Average peak wind
28.7km/h
Seasonal range
9.1°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
158 d/yr
Annual snowfall
4.9 cm
Average feels-like high
10.4 °C
Average feels-like low
6.6 °C
Average peak gust
42.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.32 · 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
31.4 °C
19 July 2016
Coldest day
-5.6 °C
20 January 1963
Wettest day
62 mm
24 August 2023
Windiest day
93.7 km/h
2 November 2023
Strongest gust
135.0 km/h
2 November 2023
Hottest feels-like
33.9 °C
19 July 2016
Coldest feels-like
-14.5 °C
13 January 1987
Snowiest day
10.2 cm
4 January 1979
Sunniest day
15.6 h
18 June 2000
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 | 9.2 °C | +0.3 °C | 184 mm | +80 mm |
| Feb | 9.7 °C | +0.9 °C | 64 mm | -25 mm |
| Mar | 11.0 °C | +1.1 °C | 39 mm | -33 mm |
| Apr | 13.4 °C | +2.3 °C | 82 mm | +19 mm |
| May | 14.9 °C | +1.5 °C | 26 mm | -33 mm |
| Jun | 18.3 °C | +2.6 °C | 46 mm | +1 mm |
| Jul | 18.8 °C | +1.3 °C | 32 mm | -10 mm |
| Aug | 19.7 °C | +1.7 °C | 43 mm | -9 mm |
| Sep | 17.2 °C | +0.1 °C | 81 mm | +21 mm |
| Oct | 15.5 °C | +0.6 °C | 97 mm | +9 mm |
| Nov | 13.4 °C | +1.5 °C | 102 mm | -18 mm |
| Dec | 10.8 °C | +0.8 °C | 111 mm | -11 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 Perros-Guirec?
Perros-Guirec has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.6 °C and it receives 916 mm of precipitation per year.
What is the hottest day ever recorded in Perros-Guirec?
The hottest day measured in Perros-Guirec between 1940 and 2025 was 19 July 2016, reaching 31.4 °C.
What is the coldest day in Perros-Guirec?
The coldest day measured in Perros-Guirec between 1940 and 2025 was 20 January 1963, at -5.6 °C.
Does it snow in Perros-Guirec?
Yes. Perros-Guirec gets on average 4.9 cm of snow per year and has around 1 frost days.
Has the climate of Perros-Guirec warmed?
Yes: Perros-Guirec warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Perros-Guirec?
The wettest day measured in Perros-Guirec between 1940 and 2025 was 24 August 2023, with 62 mm of rain in 24 hours.
What was the windiest day in Perros-Guirec?
The windiest day measured in Perros-Guirec between 1940 and 2025 was 2 November 2023, with winds reaching 93.7 km/h.
What is the warmest month in Perros-Guirec?
The warmest month in Perros-Guirec is August (16.5 °C on average); the coldest is February (7.4 °C).
How much does it rain in Perros-Guirec?
Perros-Guirec receives on average 916 mm of precipitation per year, spread over about 158 rainy days.
Is it sunny in Perros-Guirec?
Perros-Guirec gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Perros-Guirec?
The heaviest 24-hour snowfall measured in Perros-Guirec between 1940 and 2025 was 4 January 1979, with 10.2 cm.
Are there tropical nights in Perros-Guirec?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Perros-Guirec.
What was the most extreme apparent temperature in Perros-Guirec?
In Perros-Guirec, between 1940 and 2025, the highest apparent temperature reached 33.9 °C on 19 July 2016, and the lowest was -14.5 °C on 13 January 1987.
Compare Perros-Guirec with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Perros-Guirec