Nieul-sur-Mer climate — normals and trends

Q: What is the climate of Nieul-sur-Mer?

Nieul-sur-Mer has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 13.0 °C and it receives 743 mm of precipitation per year.

Q: What is the hottest day ever recorded in Nieul-sur-Mer?

The hottest day measured in Nieul-sur-Mer between 1940 and 2025 was 18 July 2022, reaching 35.9 °C.

Q: What is the coldest day in Nieul-sur-Mer?

The coldest day measured in Nieul-sur-Mer between 1940 and 2025 was 15 January 1985, at -9.4 °C.

Q: Does it snow in Nieul-sur-Mer?

Yes. Nieul-sur-Mer gets on average 2.1 cm of snow per year and has around 12 frost days.

Q: Has the climate of Nieul-sur-Mer warmed?

Yes: Nieul-sur-Mer warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Nieul-sur-Mer?

The wettest day measured in Nieul-sur-Mer between 1940 and 2025 was 28 October 1990, with 48 mm of rain in 24 hours.

Q: What was the windiest day in Nieul-sur-Mer?

The windiest day measured in Nieul-sur-Mer between 1940 and 2025 was 27 December 1999, with winds reaching 88.6 km/h.

Q: What is the warmest month in Nieul-sur-Mer?

The warmest month in Nieul-sur-Mer is July (19.6 °C on average); the coldest is January (6.5 °C).

Q: How much does it rain in Nieul-sur-Mer?

Nieul-sur-Mer receives on average 743 mm of precipitation per year, spread over about 124 rainy days.

Q: Is it sunny in Nieul-sur-Mer?

Nieul-sur-Mer gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

Nieul-sur-Mer (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 13.0 °C and it receives 743 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 (19.6 °C on average) and the coldest is January (6.5 °C). Rainfall peaks in November.

Nieul-sur-Mer averages 12 frost days, 2 hot days (≥ 30 °C) and 124 rainy days per year.

Nieul-sur-Mer has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.

The number of frost days there went from about 18 to 6 per year over the period.

The hottest day of the period reached 35.9 °C (on 18 July 2022) and the coldest -9.4 °C (on 15 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

Nieul-sur-MerNew Aquitaine

coords: 46.20°, -1.17°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthJulyColdest monthJanuaryWettest monthNovemberDriest monthJuly

Mean daily temperature

13.0°C

Average daily high

15.7°C

Average daily low

10.4°C

Annual rainfall

743mm

Sunshine / day

9.2h

Mean relative humidity

79%

Average peak wind

23.1km/h

Seasonal range

13.1°C

Frost days (< 0 °C)

12 d/yr

Hot days (≥ 30 °C)

2 d/yr

Rainy days (≥ 1 mm)

124 d/yr

Annual snowfall

2.1 cm

Average feels-like high

13.8 °C

Average feels-like low

7.7 °C

Average peak gust

36.7 km/h

Tropical nights (≥ 20 °C)

4 d/yr

Solar radiation

13.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.35 · 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

35.9 °C

18 July 2022

Coldest day

-9.4 °C

15 January 1985

Wettest day

48 mm

28 October 1990

Windiest day

88.6 km/h

27 December 1999

Strongest gust

140.8 km/h

27 December 1999

Hottest feels-like

38.4 °C

29 July 2024

Coldest feels-like

-17.8 °C

12 January 1987

Snowiest day

8.5 cm

28 November 1947

Sunniest day

15.3 h

20 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.3 °C11 August 2025	-2.2 °C14 January 2025	14.2 °C	794 mm	10	4
2024	34.0 °C11 August 2024	-1.9 °C20 January 2024	13.8 °C	983 mm	2	4
2023	33.1 °C23 August 2023	-1.2 °C9 February 2023	14.6 °C	1,005 mm	8	5
2022	35.9 °C18 July 2022	-2.1 °C10 December 2022	14.7 °C	665 mm	17	7
2021	30.5 °C7 September 2021	-1.0 °C11 January 2021	13.3 °C	686 mm	2	6
2020	33.0 °C7 August 2020	1.7 °C21 January 2020	14.5 °C	875 mm	4	0
2019	33.4 °C27 June 2019	0.6 °C5 January 2019	13.9 °C	815 mm	3	0
2018	32.0 °C3 August 2018	-5.1 °C28 February 2018	14.1 °C	771 mm	6	7
2017	31.2 °C19 June 2017	-4.2 °C20 January 2017	13.6 °C	559 mm	2	13
2016	32.7 °C18 July 2016	-1.4 °C17 February 2016	13.4 °C	649 mm	6	1
2015	32.9 °C30 June 2015	-1.6 °C1 January 2015	13.6 °C	662 mm	2	5
2014	31.6 °C17 July 2014	-2.8 °C29 December 2014	14.2 °C	824 mm	1	3
2013	30.0 °C21 July 2013	-1.5 °C22 February 2013	12.9 °C	817 mm	1	7
2012	32.2 °C17 August 2012	-6.8 °C12 February 2012	13.0 °C	784 mm	2	18
2011	32.6 °C26 June 2011	-1.3 °C1 February 2011	14.1 °C	545 mm	3	6
2010	30.4 °C8 July 2010	-3.9 °C5 January 2010	12.2 °C	654 mm	1	33
2009	31.1 °C15 August 2009	-4.9 °C7 January 2009	13.2 °C	763 mm	2	17
2008	30.2 °C30 August 2008	-1.2 °C28 December 2008	12.9 °C	785 mm	1	2
2007	27.3 °C5 August 2007	-2.9 °C26 January 2007	13.3 °C	706 mm	0	10
2006	33.4 °C18 July 2006	-2.0 °C28 January 2006	13.6 °C	865 mm	7	17
2005	32.0 °C3 September 2005	-7.2 °C1 March 2005	13.2 °C	445 mm	5	19
2004	30.9 °C1 August 2004	-1.5 °C2 March 2004	13.1 °C	629 mm	1	11
2003	34.3 °C4 August 2003	-4.8 °C13 January 2003	13.8 °C	732 mm	11	16
2002	27.4 °C20 July 2002	-0.5 °C1 January 2002	13.5 °C	787 mm	0	2
2001	31.4 °C25 June 2001	-4.8 °C15 December 2001	13.1 °C	829 mm	1	11
2000	30.7 °C24 August 2000	-2.5 °C26 January 2000	13.5 °C	924 mm	2	4
1999	30.1 °C2 July 1999	-1.9 °C14 February 1999	13.6 °C	1,027 mm	1	5
1998	30.5 °C20 June 1998	-3.1 °C22 November 1998	12.9 °C	759 mm	2	14
1997	29.8 °C9 August 1997	-7.3 °C2 January 1997	13.7 °C	716 mm	0	6
1996	30.6 °C22 July 1996	-7.4 °C29 December 1996	12.6 °C	640 mm	1	11
1995	31.7 °C25 July 1995	-2.0 °C3 January 1995	13.6 °C	802 mm	2	8
1994	30.5 °C3 August 1994	-1.7 °C19 January 1994	13.8 °C	1,017 mm	2	4
1993	29.4 °C21 August 1993	-4.3 °C3 January 1993	12.6 °C	710 mm	0	14
1992	29.5 °C20 July 1992	-2.9 °C22 January 1992	12.8 °C	632 mm	0	10
1991	30.5 °C26 August 1991	-6.0 °C14 February 1991	12.5 °C	651 mm	4	19
1990	32.4 °C2 August 1990	-2.1 °C7 December 1990	13.8 °C	619 mm	7	4
1989	30.9 °C20 July 1989	-1.3 °C11 December 1989	13.9 °C	527 mm	1	4
1988	28.0 °C7 September 1988	-1.9 °C23 November 1988	13.1 °C	815 mm	0	5
1987	31.7 °C16 August 1987	-9.4 °C12 January 1987	12.1 °C	657 mm	1	26
1986	29.5 °C26 June 1986	-7.5 °C10 February 1986	12.2 °C	793 mm	0	16
1985	30.3 °C13 July 1985	-9.4 °C15 January 1985	12.0 °C	727 mm	1	27
1984	29.4 °C29 July 1984	-1.8 °C16 February 1984	12.6 °C	921 mm	0	8
1983	31.8 °C11 July 1983	-1.5 °C10 February 1983	12.9 °C	726 mm	5	15
1982	32.3 °C8 July 1982	-0.4 °C31 December 1982	13.4 °C	854 mm	1	1
1981	30.1 °C4 August 1981	-1.4 °C15 February 1981	12.7 °C	896 mm	1	8
1980	28.0 °C28 July 1980	-3.7 °C14 January 1980	11.9 °C	707 mm	0	19
1979	28.2 °C26 July 1979	-3.5 °C2 January 1979	12.3 °C	912 mm	0	11
1978	27.2 °C29 July 1978	-2.4 °C1 December 1978	12.4 °C	765 mm	0	6
1977	25.7 °C2 July 1977	-2.6 °C30 November 1977	12.5 °C	838 mm	0	7
1976	32.5 °C25 June 1976	-1.6 °C9 March 1976	13.0 °C	707 mm	5	13
1975	32.8 °C2 August 1975	-2.2 °C20 December 1975	12.5 °C	694 mm	3	5
1974	29.2 °C15 August 1974	0.5 °C2 January 1974	12.6 °C	763 mm	0	0
1973	30.5 °C12 August 1973	-2.7 °C3 December 1973	12.4 °C	641 mm	2	8
1972	26.2 °C15 July 1972	-3.8 °C31 January 1972	12.0 °C	761 mm	0	3
1971	30.9 °C8 July 1971	-4.7 °C7 March 1971	12.5 °C	711 mm	2	13
1970	29.8 °C6 July 1970	-3.9 °C28 December 1970	12.5 °C	742 mm	0	19
1969	31.2 °C7 August 1969	-5.3 °C16 February 1969	12.6 °C	840 mm	2	15
1968	32.2 °C30 June 1968	-2.3 °C13 December 1968	12.6 °C	760 mm	2	10
1967	27.5 °C1 July 1967	-4.9 °C11 January 1967	12.6 °C	780 mm	0	9
1966	27.7 °C7 September 1966	-6.0 °C16 January 1966	12.9 °C	1,068 mm	0	8
1965	27.2 °C12 August 1965	-2.5 °C3 March 1965	12.2 °C	998 mm	0	9
1964	30.5 °C16 July 1964	-3.0 °C29 December 1964	12.4 °C	641 mm	1	17
1963	27.9 °C21 July 1963	-8.2 °C19 January 1963	11.4 °C	754 mm	0	43
1962	29.1 °C2 September 1962	-6.1 °C25 December 1962	12.0 °C	634 mm	0	13
1961	31.0 °C31 August 1961	-1.9 °C19 December 1961	13.6 °C	743 mm	1	7
1960	28.8 °C18 June 1960	-4.8 °C16 January 1960	12.8 °C	995 mm	0	14
1959	29.6 °C4 July 1959	-0.8 °C10 January 1959	13.7 °C	777 mm	0	4
1958	26.8 °C9 August 1958	-2.9 °C11 March 1958	12.6 °C	982 mm	0	3
1957	29.9 °C3 July 1957	-3.6 °C20 January 1957	12.7 °C	721 mm	0	7
1956	29.1 °C9 August 1956	-8.2 °C22 February 1956	11.6 °C	486 mm	0	27
1955	29.1 °C23 August 1955	-2.0 °C8 March 1955	12.9 °C	672 mm	0	10
1954	27.0 °C31 August 1954	-8.3 °C2 February 1954	12.2 °C	649 mm	0	15
1953	29.5 °C11 August 1953	-3.0 °C16 January 1953	12.5 °C	503 mm	0	26
1952	32.4 °C30 June 1952	-1.9 °C19 November 1952	12.7 °C	882 mm	1	14
1951	29.8 °C29 July 1951	-0.6 °C30 January 1951	12.6 °C	815 mm	0	1
1950	27.7 °C29 June 1950	-3.0 °C20 January 1950	12.9 °C	848 mm	0	20
1949	32.8 °C12 July 1949	-2.1 °C3 February 1949	13.7 °C	540 mm	4	8
1948	29.7 °C27 July 1948	-5.9 °C22 February 1948	13.0 °C	718 mm	0	9
1947	33.3 °C1 August 1947	-7.8 °C29 January 1947	13.3 °C	584 mm	4	21
1946	29.6 °C3 August 1946	-9.0 °C22 December 1946	12.2 °C	576 mm	0	24
1945	31.1 °C21 July 1945	-7.4 °C29 January 1945	13.3 °C	550 mm	2	22
1944	33.7 °C14 August 1944	-3.1 °C27 December 1944	12.7 °C	577 mm	5	25
1943	30.8 °C30 July 1943	-1.9 °C12 December 1943	13.2 °C	605 mm	3	1
1942	28.7 °C27 August 1942	-5.7 °C22 January 1942	12.1 °C	594 mm	0	37
1941	30.7 °C24 July 1941	-5.7 °C15 January 1941	11.9 °C	684 mm	5	25
1940	28.1 °C3 September 1940	-9.1 °C21 January 1940	12.3 °C	627 mm	0	34

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

17.4 °C

+1.7 °C

Hot days (≥ 30 °C)

10 d/yr

Frost days (< 0 °C)

4 d/yr

-8

Annual rainfall

794 mm

+51 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	9.8 °C	+1.1 °C	163 mm	+86 mm
Feb	10.8 °C	+1.2 °C	70 mm	+6 mm
Mar	13.4 °C	+1.4 °C	32 mm	-26 mm
Apr	17.2 °C	+2.8 °C	94 mm	+40 mm
May	19.4 °C	+1.9 °C	30 mm	-29 mm
Jun	24.5 °C	+3.9 °C	19 mm	-26 mm
Jul	24.0 °C	+1.4 °C	49 mm	+11 mm
Aug	25.7 °C	+3.1 °C	40 mm	-2 mm
Sep	20.4 °C	-0.4 °C	66 mm	+12 mm
Oct	18.1 °C	+1.0 °C	68 mm	-11 mm
Nov	14.2 °C	+1.8 °C	92 mm	+4 mm
Dec	10.7 °C	+1.1 °C	73 mm	-13 mm

The year's extremes

Hottest day

34.3 °C

11 Aug 2025

Coldest day

-2.2 °C

14 Jan 2025

Wettest day

21.2 mm

8 Jan 2025

Windiest day

56.9 km/h

23 Oct 2025

Strongest gust

97.6 km/h

23 Oct 2025

Hottest feels-like

35.9 °C

16 Aug 2025

Coldest feels-like

-6.4 °C

14 Jan 2025

Sunniest day

15.3 h

20 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 Nieul-sur-Mer?

Nieul-sur-Mer has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 13.0 °C and it receives 743 mm of precipitation per year.

What is the hottest day ever recorded in Nieul-sur-Mer?

The hottest day measured in Nieul-sur-Mer between 1940 and 2025 was 18 July 2022, reaching 35.9 °C.

What is the coldest day in Nieul-sur-Mer?

The coldest day measured in Nieul-sur-Mer between 1940 and 2025 was 15 January 1985, at -9.4 °C.

Does it snow in Nieul-sur-Mer?

Yes. Nieul-sur-Mer gets on average 2.1 cm of snow per year and has around 12 frost days.

Has the climate of Nieul-sur-Mer warmed?

Yes: Nieul-sur-Mer warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Nieul-sur-Mer?

The wettest day measured in Nieul-sur-Mer between 1940 and 2025 was 28 October 1990, with 48 mm of rain in 24 hours.

What was the windiest day in Nieul-sur-Mer?

The windiest day measured in Nieul-sur-Mer between 1940 and 2025 was 27 December 1999, with winds reaching 88.6 km/h.

What is the warmest month in Nieul-sur-Mer?

The warmest month in Nieul-sur-Mer is July (19.6 °C on average); the coldest is January (6.5 °C).

How much does it rain in Nieul-sur-Mer?

Nieul-sur-Mer receives on average 743 mm of precipitation per year, spread over about 124 rainy days.

Is it sunny in Nieul-sur-Mer?

Nieul-sur-Mer gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

What is the biggest single-day snowfall in Nieul-sur-Mer?

The heaviest 24-hour snowfall measured in Nieul-sur-Mer between 1940 and 2025 was 28 November 1947, with 8.5 cm.

Are there tropical nights in Nieul-sur-Mer?

Yes: Nieul-sur-Mer has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Nieul-sur-Mer?

In Nieul-sur-Mer, between 1940 and 2025, the highest apparent temperature reached 38.4 °C on 29 July 2024, and the lowest was -17.8 °C on 12 January 1987.

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