Saint-Pol-de-Léon climate — normals and trends

Q: What is the climate of Saint-Pol-de-Léon?

Saint-Pol-de-Léon has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 11.9 °C and it receives 906 mm of precipitation per year.

Q: What is the hottest day ever recorded in Saint-Pol-de-Léon?

The hottest day measured in Saint-Pol-de-Léon between 1940 and 2025 was 19 July 2016, reaching 27.5 °C.

Q: What is the coldest day in Saint-Pol-de-Léon?

The coldest day measured in Saint-Pol-de-Léon between 1940 and 2025 was 20 January 1963, at -3.7 °C.

Q: Does it snow in Saint-Pol-de-Léon?

Yes. Saint-Pol-de-Léon gets on average 3.8 cm of snow per year and has around 0 frost days.

Q: Has the climate of Saint-Pol-de-Léon warmed?

Yes: Saint-Pol-de-Léon warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Saint-Pol-de-Léon?

The wettest day measured in Saint-Pol-de-Léon between 1940 and 2025 was 16 April 1959, with 55 mm of rain in 24 hours.

Q: What was the windiest day in Saint-Pol-de-Léon?

The windiest day measured in Saint-Pol-de-Léon between 1940 and 2025 was 2 November 2023, with winds reaching 101.6 km/h.

Q: What is the warmest month in Saint-Pol-de-Léon?

The warmest month in Saint-Pol-de-Léon is August (16.2 °C on average); the coldest is February (8.1 °C).

Q: How much does it rain in Saint-Pol-de-Léon?

Saint-Pol-de-Léon receives on average 906 mm of precipitation per year, spread over about 154 rainy days.

Q: Is it sunny in Saint-Pol-de-Léon?

Saint-Pol-de-Léon gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.

Saint-Pol-de-Léon (France) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 11.9 °C and it receives 906 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 (16.2 °C on average) and the coldest is February (8.1 °C). Rainfall peaks in December.

Saint-Pol-de-Léon averages 0 frost days, 0 hot days (≥ 30 °C) and 154 rainy days per year.

Saint-Pol-de-Léon has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.

The hottest day of the period reached 27.5 °C (on 19 July 2016) and the coldest -3.7 °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

Saint-Pol-de-LéonBrittany Region

coords: 48.68°, -3.99°
period: 1940–2025 · 86 yrs

CsbWarm-summer MediterraneanWarmest monthAugustColdest monthFebruaryWettest monthDecemberDriest monthJuly

Mean daily temperature

11.9°C

Average daily high

12.9°C

Average daily low

11.0°C

Annual rainfall

906mm

Sunshine / day

8.6h

Mean relative humidity

82%

Average peak wind

33.3km/h

Seasonal range

8.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

0 d/yr

Rainy days (≥ 1 mm)

154 d/yr

Annual snowfall

3.8 cm

Average feels-like high

9.9 °C

Average feels-like low

6.6 °C

Average peak gust

45.9 km/h

Tropical nights (≥ 20 °C)

0 d/yr

Solar radiation

12.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.31 · p = < 0.001

19402025

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

27.5 °C

19 July 2016

Coldest day

-3.7 °C

20 January 1963

Wettest day

55 mm

16 April 1959

Windiest day

101.6 km/h

2 November 2023

Strongest gust

144.0 km/h

2 November 2023

Hottest feels-like

30.7 °C

19 July 2016

Coldest feels-like

-13.8 °C

13 January 1987

Snowiest day

10.8 cm

15 February 1979

Sunniest day

15.5 h

18 June 1996

Year	Hottest day	Coldest day	Annual mean	Rainfall	Frost days
2025	23.4 °C20 June 2025	3.4 °C4 January 2025	13.0 °C	908 mm	0
2024	22.2 °C12 August 2024	2.5 °C10 January 2024	12.9 °C	972 mm	0
2023	23.7 °C7 July 2023	3.0 °C18 January 2023	13.0 °C	1,049 mm	0
2022	24.9 °C18 July 2022	3.4 °C17 December 2022	13.0 °C	897 mm	0
2021	21.8 °C7 September 2021	1.1 °C11 February 2021	12.2 °C	853 mm	0
2020	21.6 °C14 September 2020	4.7 °C4 December 2020	12.7 °C	1,058 mm	0
2019	25.3 °C24 August 2019	4.0 °C29 January 2019	12.5 °C	1,039 mm	0
2018	21.6 °C17 September 2018	-0.6 °C28 February 2018	12.2 °C	792 mm	1
2017	22.7 °C22 August 2017	2.1 °C21 January 2017	12.5 °C	864 mm	0
2016	27.5 °C19 July 2016	4.3 °C9 February 2016	12.3 °C	883 mm	0
2015	24.1 °C30 June 2015	3.1 °C3 February 2015	12.4 °C	854 mm	0
2014	19.8 °C17 July 2014	5.3 °C29 December 2014	12.7 °C	1,027 mm	0
2013	20.0 °C27 September 2013	2.6 °C12 March 2013	11.7 °C	927 mm	0
2012	21.2 °C17 August 2012	0.5 °C11 February 2012	12.0 °C	1,033 mm	0
2011	23.1 °C26 June 2011	4.0 °C28 January 2011	12.5 °C	686 mm	0
2010	19.4 °C1 July 2010	2.1 °C9 January 2010	11.3 °C	981 mm	0
2009	19.7 °C31 August 2009	1.4 °C9 January 2009	12.0 °C	978 mm	0
2008	20.7 °C24 July 2008	3.0 °C29 December 2008	12.1 °C	972 mm	0
2007	19.0 °C13 July 2007	2.9 °C18 December 2007	12.6 °C	863 mm	0
2006	22.5 °C21 September 2006	2.8 °C28 January 2006	12.3 °C	787 mm	0
2005	20.9 °C28 June 2005	1.5 °C28 February 2005	12.3 °C	799 mm	0
2004	22.2 °C2 August 2004	2.7 °C27 February 2004	12.2 °C	987 mm	0
2003	21.8 °C4 August 2003	1.1 °C7 January 2003	12.4 °C	736 mm	0
2002	19.2 °C16 May 2002	3.1 °C1 January 2002	12.5 °C	924 mm	0
2001	21.6 °C3 July 2001	2.3 °C16 January 2001	12.2 °C	937 mm	0
2000	21.9 °C18 June 2000	1.9 °C26 January 2000	12.1 °C	1,189 mm	0
1999	20.0 °C8 September 1999	3.5 °C31 January 1999	12.5 °C	1,057 mm	0
1998	22.9 °C20 June 1998	2.3 °C23 January 1998	12.2 °C	890 mm	0
1997	20.6 °C3 August 1997	-0.7 °C1 January 1997	12.3 °C	778 mm	1
1996	22.6 °C17 August 1996	1.1 °C27 December 1996	11.5 °C	775 mm	0
1995	20.6 °C25 July 1995	2.0 °C29 December 1995	12.3 °C	860 mm	0
1994	19.6 °C2 August 1994	0.5 °C14 February 1994	12.3 °C	1,009 mm	0
1993	17.8 °C15 July 1993	2.1 °C3 January 1993	11.7 °C	889 mm	0
1992	19.0 °C20 July 1992	1.5 °C23 January 1992	11.8 °C	802 mm	0
1991	22.1 °C21 August 1991	-2.1 °C7 February 1991	11.3 °C	795 mm	2
1990	23.4 °C2 August 1990	2.6 °C18 December 1990	12.5 °C	840 mm	0
1989	21.3 °C20 July 1989	2.6 °C11 December 1989	12.5 °C	658 mm	0
1988	20.9 °C7 September 1988	4.9 °C2 March 1988	12.0 °C	839 mm	0
1987	20.4 °C20 August 1987	-3.4 °C13 January 1987	11.3 °C	853 mm	5
1986	22.1 °C16 June 1986	-0.5 °C10 February 1986	11.0 °C	985 mm	2
1985	21.4 °C30 September 1985	-2.7 °C17 January 1985	11.4 °C	868 mm	1
1984	22.1 °C20 August 1984	4.0 °C18 February 1984	11.7 °C	951 mm	0
1983	20.7 °C10 July 1983	2.5 °C11 February 1983	11.8 °C	799 mm	0
1982	20.0 °C8 July 1982	0.9 °C7 January 1982	12.0 °C	1,116 mm	0
1981	19.9 °C28 August 1981	2.0 °C26 February 1981	11.6 °C	1,088 mm	0
1980	21.6 °C4 June 1980	1.2 °C7 November 1980	11.4 °C	885 mm	0
1979	19.1 °C8 October 1979	0.5 °C15 February 1979	11.3 °C	1,004 mm	0
1978	20.1 °C10 October 1978	1.2 °C20 December 1978	11.6 °C	1,087 mm	0
1977	18.6 °C16 August 1977	2.1 °C1 December 1977	11.6 °C	1,015 mm	0
1976	21.2 °C2 July 1976	2.1 °C3 February 1976	11.7 °C	844 mm	0
1975	21.8 °C4 August 1975	3.0 °C4 April 1975	11.8 °C	814 mm	0
1974	20.0 °C8 July 1974	3.7 °C2 January 1974	11.6 °C	1,132 mm	0
1973	20.1 °C14 August 1973	1.8 °C14 February 1973	11.6 °C	849 mm	0
1972	17.7 °C6 August 1972	1.0 °C31 January 1972	11.3 °C	1,087 mm	0
1971	19.0 °C30 July 1971	1.1 °C7 March 1971	11.8 °C	877 mm	0
1970	20.8 °C28 September 1970	0.5 °C26 December 1970	11.6 °C	988 mm	0
1969	20.1 °C7 August 1969	0.7 °C29 December 1969	11.7 °C	1,017 mm	0
1968	22.5 °C30 June 1968	2.4 °C14 December 1968	11.6 °C	859 mm	0
1967	18.5 °C30 July 1967	2.4 °C8 January 1967	11.7 °C	980 mm	0
1966	18.8 °C11 August 1966	-0.8 °C18 January 1966	12.1 °C	1,089 mm	2
1965	19.4 °C12 August 1965	1.3 °C3 March 1965	11.3 °C	1,073 mm	0
1964	22.1 °C25 August 1964	1.9 °C7 March 1964	11.6 °C	787 mm	0
1963	18.3 °C31 July 1963	-3.7 °C20 January 1963	10.7 °C	840 mm	4
1962	19.5 °C2 September 1962	2.0 °C26 February 1962	11.2 °C	878 mm	0
1961	25.0 °C29 August 1961	3.5 °C24 December 1961	12.3 °C	910 mm	0
1960	19.7 °C21 August 1960	2.1 °C14 January 1960	12.0 °C	1,139 mm	0
1959	22.8 °C4 July 1959	3.3 °C14 January 1959	12.4 °C	955 mm	0
1958	20.6 °C2 September 1958	0.5 °C11 March 1958	11.7 °C	927 mm	0
1957	20.5 °C28 June 1957	3.3 °C20 January 1957	12.0 °C	828 mm	0
1956	19.1 °C23 September 1956	-1.0 °C2 February 1956	11.0 °C	765 mm	3
1955	20.4 °C21 August 1955	1.5 °C4 January 1955	11.7 °C	776 mm	0
1954	18.8 °C17 October 1954	1.2 °C1 February 1954	11.6 °C	892 mm	0
1953	19.5 °C12 August 1953	2.9 °C12 January 1953	11.8 °C	548 mm	0
1952	19.6 °C11 August 1952	2.6 °C15 December 1952	11.6 °C	1,013 mm	0
1951	18.8 °C22 September 1951	3.9 °C3 March 1951	11.7 °C	1,151 mm	0
1950	19.2 °C20 August 1950	2.6 °C29 January 1950	11.9 °C	1,098 mm	0
1949	21.2 °C4 September 1949	2.1 °C3 February 1949	12.3 °C	769 mm	0
1948	20.8 °C28 July 1948	-2.2 °C21 February 1948	12.0 °C	846 mm	3
1947	25.2 °C1 August 1947	-1.9 °C28 January 1947	11.7 °C	800 mm	1
1946	19.4 °C29 September 1946	-0.7 °C18 January 1946	11.7 °C	872 mm	1
1945	21.4 °C12 August 1945	1.9 °C25 January 1945	12.3 °C	697 mm	0
1944	20.7 °C25 July 1944	3.1 °C23 February 1944	11.8 °C	833 mm	0
1943	22.1 °C12 September 1943	4.0 °C11 December 1943	12.2 °C	767 mm	0
1942	21.4 °C28 August 1942	1.3 °C14 January 1942	11.7 °C	768 mm	0
1941	22.1 °C25 July 1941	1.5 °C9 January 1941	11.3 °C	789 mm	0
1940	19.8 °C4 September 1940	-2.5 °C21 January 1940	11.4 °C	840 mm	4

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?

Year

Across the whole year

Average daily high

14.0 °C

+1.1 °C

Hot days (≥ 30 °C)

0 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

908 mm

+2 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	10.1 °C	+0.5 °C	187 mm	+78 mm
Feb	10.2 °C	+1.0 °C	63 mm	-29 mm
Mar	10.9 °C	+1.0 °C	39 mm	-35 mm
Apr	12.5 °C	+1.7 °C	86 mm	+26 mm
May	14.0 °C	+1.3 °C	32 mm	-25 mm
Jun	16.7 °C	+2.0 °C	45 mm	+4 mm
Jul	17.6 °C	+1.2 °C	22 mm	-16 mm
Aug	18.3 °C	+1.3 °C	31 mm	-17 mm
Sep	16.7 °C	+0.4 °C	74 mm	+18 mm
Oct	15.4 °C	+0.6 °C	89 mm	+2 mm
Nov	13.7 °C	+1.4 °C	113 mm	-8 mm
Dec	11.4 °C	+0.7 °C	128 mm	+5 mm

The year's extremes

Hottest day

23.4 °C

20 Jun 2025

Coldest day

3.4 °C

4 Jan 2025

Wettest day

26.3 mm

18 Dec 2025

Windiest day

70.8 km/h

18 Dec 2025

Strongest gust

103.3 km/h

24 Jan 2025

Hottest feels-like

24.3 °C

20 Jun 2025

Coldest feels-like

-4.0 °C

25 Dec 2025

Sunniest day

15.5 h

19 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Saint-Pol-de-Léon?

Saint-Pol-de-Léon has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 11.9 °C and it receives 906 mm of precipitation per year.

What is the hottest day ever recorded in Saint-Pol-de-Léon?

The hottest day measured in Saint-Pol-de-Léon between 1940 and 2025 was 19 July 2016, reaching 27.5 °C.

What is the coldest day in Saint-Pol-de-Léon?

The coldest day measured in Saint-Pol-de-Léon between 1940 and 2025 was 20 January 1963, at -3.7 °C.

Does it snow in Saint-Pol-de-Léon?

Yes. Saint-Pol-de-Léon gets on average 3.8 cm of snow per year and has around 0 frost days.

Has the climate of Saint-Pol-de-Léon warmed?

Yes: Saint-Pol-de-Léon warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Saint-Pol-de-Léon?

The wettest day measured in Saint-Pol-de-Léon between 1940 and 2025 was 16 April 1959, with 55 mm of rain in 24 hours.

What was the windiest day in Saint-Pol-de-Léon?

The windiest day measured in Saint-Pol-de-Léon between 1940 and 2025 was 2 November 2023, with winds reaching 101.6 km/h.

What is the warmest month in Saint-Pol-de-Léon?

The warmest month in Saint-Pol-de-Léon is August (16.2 °C on average); the coldest is February (8.1 °C).

How much does it rain in Saint-Pol-de-Léon?

Saint-Pol-de-Léon receives on average 906 mm of precipitation per year, spread over about 154 rainy days.

Is it sunny in Saint-Pol-de-Léon?

Saint-Pol-de-Léon gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.

What is the biggest single-day snowfall in Saint-Pol-de-Léon?

The heaviest 24-hour snowfall measured in Saint-Pol-de-Léon between 1940 and 2025 was 15 February 1979, with 10.8 cm.

Are there tropical nights in Saint-Pol-de-Léon?

Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Saint-Pol-de-Léon.

What was the most extreme apparent temperature in Saint-Pol-de-Léon?

In Saint-Pol-de-Léon, between 1940 and 2025, the highest apparent temperature reached 30.7 °C on 19 July 2016, and the lowest was -13.8 °C on 13 January 1987.

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