Ploudalmézeau climate — normals and trends
Ploudalmézeau (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.1 °C and it receives 931 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 (16.3 °C on average) and the coldest is February (8.3 °C). Rainfall peaks in December.
Ploudalmézeau averages 0 frost days, 0 hot days (≥ 30 °C) and 153 rainy days per year.
Ploudalmézeau has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 28.9 °C (on 4 August 2003) and the coldest -4.3 °C (on 13 January 1987).
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
PloudalmézeauBrittany Region
- coords
- 48.54°, -4.66°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.1°C
Average daily high
13.1°C
Average daily low
11.2°C
Annual rainfall
931mm
Sunshine / day
9.0h
Mean relative humidity
82%
Average peak wind
32.0km/h
Seasonal range
8.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
153 d/yr
Annual snowfall
1.9 cm
Average feels-like high
10.3 °C
Average feels-like low
7.0 °C
Average peak gust
44.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.26 · 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
28.9 °C
4 August 2003
Coldest day
-4.3 °C
13 January 1987
Wettest day
68 mm
24 October 2011
Windiest day
94.2 km/h
2 November 2023
Strongest gust
139.0 km/h
2 November 2023
Hottest feels-like
30.3 °C
4 August 2003
Coldest feels-like
-13.7 °C
13 January 1987
Snowiest day
8.6 cm
22 February 1986
Sunniest day
15.3 h
19 June 1944
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 | 10.5 °C | +0.7 °C | 177 mm | +64 mm |
| Feb | 10.2 °C | +0.8 °C | 76 mm | -16 mm |
| Mar | 11.0 °C | +0.9 °C | 31 mm | -48 mm |
| Apr | 13.4 °C | +2.3 °C | 83 mm | +21 mm |
| May | 14.5 °C | +1.4 °C | 46 mm | -11 mm |
| Jun | 17.1 °C | +1.9 °C | 44 mm | +2 mm |
| Jul | 17.7 °C | +0.9 °C | 30 mm | -11 mm |
| Aug | 18.3 °C | +1.1 °C | 37 mm | -13 mm |
| Sep | 16.4 °C | +0.1 °C | 77 mm | +17 mm |
| Oct | 15.4 °C | +0.7 °C | 97 mm | +5 mm |
| Nov | 13.8 °C | +1.4 °C | 127 mm | +6 mm |
| Dec | 11.6 °C | +0.7 °C | 177 mm | +52 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 Ploudalmézeau?
Ploudalmézeau has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.1 °C and it receives 931 mm of precipitation per year.
What is the hottest day ever recorded in Ploudalmézeau?
The hottest day measured in Ploudalmézeau between 1940 and 2025 was 4 August 2003, reaching 28.9 °C.
What is the coldest day in Ploudalmézeau?
The coldest day measured in Ploudalmézeau between 1940 and 2025 was 13 January 1987, at -4.3 °C.
Does it snow in Ploudalmézeau?
Yes. Ploudalmézeau gets on average 1.9 cm of snow per year and has around 0 frost days.
Has the climate of Ploudalmézeau warmed?
Yes: Ploudalmézeau warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ploudalmézeau?
The wettest day measured in Ploudalmézeau between 1940 and 2025 was 24 October 2011, with 68 mm of rain in 24 hours.
What was the windiest day in Ploudalmézeau?
The windiest day measured in Ploudalmézeau between 1940 and 2025 was 2 November 2023, with winds reaching 94.2 km/h.
What is the warmest month in Ploudalmézeau?
The warmest month in Ploudalmézeau is August (16.3 °C on average); the coldest is February (8.3 °C).
How much does it rain in Ploudalmézeau?
Ploudalmézeau receives on average 931 mm of precipitation per year, spread over about 153 rainy days.
Is it sunny in Ploudalmézeau?
Ploudalmézeau gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ploudalmézeau?
The heaviest 24-hour snowfall measured in Ploudalmézeau between 1940 and 2025 was 22 February 1986, with 8.6 cm.
Are there tropical nights in Ploudalmézeau?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ploudalmézeau.
What was the most extreme apparent temperature in Ploudalmézeau?
In Ploudalmézeau, between 1940 and 2025, the highest apparent temperature reached 30.3 °C on 4 August 2003, and the lowest was -13.7 °C on 13 January 1987.
Compare Ploudalmézeau with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ploudalmézeau