Dax climate — normals and trends

Q: What is the climate of Dax?

Dax has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 13.8 °C and it receives 944 mm of precipitation per year.

Q: What is the hottest day ever recorded in Dax?

The hottest day measured in Dax between 1940 and 2025 was 18 July 2022, reaching 41.3 °C.

Q: What is the coldest day in Dax?

The coldest day measured in Dax between 1940 and 2025 was 16 January 1985, at -15.8 °C.

Q: Does it snow in Dax?

Yes. Dax gets on average 1.9 cm of snow per year and has around 21 frost days.

Q: Has the climate of Dax warmed?

Yes: Dax warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Dax?

The wettest day measured in Dax between 1940 and 2025 was 10 June 1957, with 66 mm of rain in 24 hours.

Q: What was the windiest day in Dax?

The windiest day measured in Dax between 1940 and 2025 was 24 January 2009, with winds reaching 62.4 km/h.

Q: What is the warmest month in Dax?

The warmest month in Dax is August (21.0 °C on average); the coldest is January (6.8 °C).

Q: How much does it rain in Dax?

Dax receives on average 944 mm of precipitation per year, spread over about 139 rainy days.

Q: Is it sunny in Dax?

Dax gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Dax (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 13.8 °C and it receives 944 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 (21.0 °C on average) and the coldest is January (6.8 °C). Rainfall peaks in November.

Dax averages 21 frost days, 19 hot days (≥ 30 °C) and 139 rainy days per year.

Dax has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The number of frost days there went from about 28 to 14 per year over the period.

The hottest day of the period reached 41.3 °C (on 18 July 2022) and the coldest -15.8 °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

DaxNew Aquitaine

coords: 43.71°, -1.05°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthAugustColdest monthJanuaryWettest monthNovemberDriest monthJuly

Mean daily temperature

13.8°C

Average daily high

18.5°C

Average daily low

9.7°C

Annual rainfall

944mm

Sunshine / day

9.3h

Mean relative humidity

77%

Average peak wind

14.6km/h

Seasonal range

14.2°C

Frost days (< 0 °C)

21 d/yr

Hot days (≥ 30 °C)

19 d/yr

Rainy days (≥ 1 mm)

139 d/yr

Annual snowfall

1.9 cm

Average feels-like high

17.7 °C

Average feels-like low

8.2 °C

Average peak gust

32.8 km/h

Tropical nights (≥ 20 °C)

4 d/yr

Solar radiation

13.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.53 · 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

41.3 °C

18 July 2022

Coldest day

-15.8 °C

16 January 1985

Wettest day

66 mm

10 June 1957

Windiest day

62.4 km/h

24 January 2009

Strongest gust

148.3 km/h

24 January 2009

Hottest feels-like

44.9 °C

23 August 2023

Coldest feels-like

-20.7 °C

16 January 1985

Snowiest day

7.6 cm

24 February 1947

Sunniest day

14.8 h

23 June 2009

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.7 °C15 August 2025	-4.8 °C14 January 2025	15.0 °C	840 mm	43	15
2024	39.4 °C11 August 2024	-5.1 °C20 January 2024	14.6 °C	1,252 mm	17	8
2023	41.0 °C23 August 2023	-3.5 °C10 February 2023	15.7 °C	1,154 mm	40	19
2022	41.3 °C18 July 2022	-3.9 °C22 January 2022	16.0 °C	761 mm	56	20
2021	36.6 °C6 September 2021	-4.2 °C8 January 2021	14.5 °C	924 mm	25	11
2020	39.5 °C30 July 2020	-1.3 °C12 January 2020	15.3 °C	1,102 mm	32	4
2019	39.8 °C23 July 2019	-5.3 °C4 January 2019	14.7 °C	1,098 mm	27	8
2018	36.9 °C6 August 2018	-5.4 °C27 February 2018	14.9 °C	997 mm	33	12
2017	36.5 °C19 June 2017	-7.2 °C7 January 2017	14.3 °C	1,039 mm	27	29
2016	37.8 °C19 July 2016	-3.9 °C17 February 2016	14.6 °C	973 mm	33	3
2015	38.7 °C30 June 2015	-5.5 °C1 January 2015	14.8 °C	752 mm	30	17
2014	36.7 °C17 July 2014	-5.0 °C31 December 2014	15.2 °C	1,040 mm	16	6
2013	37.0 °C1 August 2013	-4.2 °C28 November 2013	14.0 °C	1,230 mm	33	23
2012	38.2 °C17 August 2012	-8.3 °C11 February 2012	14.1 °C	926 mm	27	31
2011	37.7 °C21 August 2011	-4.4 °C24 January 2011	15.1 °C	674 mm	21	12
2010	36.6 °C8 July 2010	-6.5 °C26 December 2010	13.7 °C	842 mm	19	36
2009	36.3 °C21 July 2009	-5.4 °C9 January 2009	14.7 °C	895 mm	29	18
2008	34.2 °C30 August 2008	-2.6 °C1 January 2008	14.0 °C	1,078 mm	10	8
2007	35.3 °C15 July 2007	-6.5 °C27 January 2007	14.0 °C	775 mm	14	21
2006	38.1 °C18 July 2006	-4.5 °C6 February 2006	14.9 °C	804 mm	34	30
2005	35.6 °C14 July 2005	-7.9 °C1 March 2005	13.8 °C	749 mm	31	44
2004	36.2 °C1 August 2004	-3.2 °C11 March 2004	14.1 °C	802 mm	25	19
2003	41.0 °C4 August 2003	-5.8 °C18 February 2003	15.2 °C	865 mm	50	21
2002	34.7 °C14 June 2002	-1.0 °C9 January 2002	14.6 °C	947 mm	14	2
2001	35.3 °C25 August 2001	-9.6 °C25 December 2001	14.3 °C	793 mm	28	19
2000	35.5 °C18 June 2000	-3.6 °C26 January 2000	14.5 °C	1,029 mm	29	14
1999	33.6 °C25 July 1999	-4.8 °C1 February 1999	14.4 °C	960 mm	15	17
1998	36.7 °C20 June 1998	-6.4 °C22 November 1998	13.9 °C	803 mm	18	21
1997	33.2 °C23 August 1997	-2.1 °C16 December 1997	15.0 °C	978 mm	15	10
1996	36.5 °C22 July 1996	-6.3 °C29 December 1996	13.9 °C	1,054 mm	20	16
1995	38.1 °C25 July 1995	-4.2 °C4 January 1995	14.6 °C	836 mm	16	17
1994	37.5 °C3 August 1994	-5.5 °C19 January 1994	14.7 °C	889 mm	26	7
1993	35.1 °C21 August 1993	-6.9 °C25 February 1993	13.5 °C	877 mm	13	19
1992	35.3 °C7 August 1992	-4.1 °C29 January 1992	13.5 °C	1,038 mm	23	27
1991	38.2 °C26 August 1991	-4.5 °C15 February 1991	13.4 °C	803 mm	24	31
1990	37.0 °C21 July 1990	-4.9 °C7 December 1990	14.6 °C	878 mm	27	24
1989	36.0 °C20 July 1989	-5.2 °C3 January 1989	14.8 °C	781 mm	19	17
1988	35.1 °C7 September 1988	-5.2 °C23 November 1988	14.0 °C	822 mm	13	20
1987	36.6 °C13 August 1987	-11.2 °C17 January 1987	13.7 °C	796 mm	24	26
1986	35.0 °C28 July 1986	-6.7 °C11 February 1986	13.4 °C	1,024 mm	12	8
1985	36.9 °C13 July 1985	-15.8 °C16 January 1985	13.2 °C	873 mm	19	44
1984	35.8 °C29 July 1984	-4.2 °C16 February 1984	13.3 °C	1,139 mm	17	19
1983	37.3 °C30 July 1983	-5.1 °C8 December 1983	13.9 °C	915 mm	19	25
1982	40.1 °C8 July 1982	-1.4 °C6 March 1982	14.3 °C	1,017 mm	21	4
1981	35.8 °C29 July 1981	-3.2 °C12 February 1981	13.9 °C	1,132 mm	12	27
1980	33.3 °C4 June 1980	-5.0 °C9 December 1980	12.8 °C	1,099 mm	9	28
1979	32.4 °C9 July 1979	-3.4 °C17 January 1979	13.3 °C	1,167 mm	7	15
1978	33.1 °C15 July 1978	-3.3 °C30 November 1978	13.3 °C	1,114 mm	10	12
1977	31.1 °C11 September 1977	-2.6 °C28 November 1977	13.4 °C	1,113 mm	1	14
1976	36.0 °C15 July 1976	-3.6 °C27 December 1976	13.4 °C	1,080 mm	22	24
1975	36.1 °C4 August 1975	-3.4 °C23 December 1975	13.2 °C	888 mm	15	16
1974	36.9 °C15 August 1974	-1.5 °C26 February 1974	13.4 °C	1,103 mm	16	8
1973	36.0 °C10 August 1973	-4.7 °C3 December 1973	13.1 °C	918 mm	22	30
1972	32.3 °C6 August 1972	-2.5 °C24 January 1972	12.8 °C	1,143 mm	5	10
1971	33.4 °C11 July 1971	-6.6 °C2 January 1971	13.1 °C	1,305 mm	17	28
1970	35.3 °C6 July 1970	-4.4 °C7 January 1970	13.5 °C	962 mm	16	24
1969	34.3 °C7 August 1969	-5.3 °C16 February 1969	13.2 °C	1,215 mm	15	29
1968	38.1 °C30 June 1968	-4.5 °C11 January 1968	13.6 °C	1,092 mm	10	14
1967	32.7 °C12 July 1967	-4.4 °C11 December 1967	13.4 °C	932 mm	17	23
1966	35.2 °C8 September 1966	-5.2 °C17 January 1966	13.7 °C	1,210 mm	8	10
1965	34.2 °C12 August 1965	-3.6 °C19 February 1965	12.8 °C	1,282 mm	6	32
1964	36.4 °C16 July 1964	-3.7 °C8 March 1964	13.1 °C	820 mm	28	37
1963	33.6 °C21 June 1963	-6.2 °C15 January 1963	12.3 °C	967 mm	6	45
1962	35.2 °C1 August 1962	-7.2 °C25 December 1962	13.0 °C	880 mm	15	33
1961	34.2 °C29 August 1961	-4.4 °C21 December 1961	14.4 °C	946 mm	19	10
1960	33.5 °C18 June 1960	-5.4 °C15 January 1960	13.5 °C	1,273 mm	2	17
1959	33.3 °C4 July 1959	-2.5 °C9 January 1959	14.2 °C	1,070 mm	7	10
1958	33.0 °C9 August 1958	-1.6 °C20 February 1958	13.7 °C	1,048 mm	10	6
1957	36.6 °C3 July 1957	-4.0 °C18 January 1957	13.3 °C	765 mm	11	14
1956	33.2 °C9 August 1956	-8.4 °C22 February 1956	12.2 °C	773 mm	4	38
1955	35.4 °C17 July 1955	-3.4 °C1 March 1955	13.9 °C	799 mm	14	23
1954	33.7 °C3 August 1954	-7.8 °C2 February 1954	12.6 °C	942 mm	3	19
1953	34.7 °C12 August 1953	-4.0 °C28 January 1953	12.7 °C	564 mm	10	39
1952	35.1 °C30 June 1952	-3.6 °C7 December 1952	13.5 °C	1,063 mm	12	27
1951	33.9 °C29 July 1951	-2.6 °C2 March 1951	13.1 °C	1,008 mm	8	7
1950	36.8 °C29 June 1950	-4.3 °C22 January 1950	13.8 °C	853 mm	13	17
1949	35.9 °C12 July 1949	-5.1 °C3 February 1949	13.7 °C	763 mm	26	30
1948	33.2 °C27 July 1948	-5.6 °C22 February 1948	13.4 °C	791 mm	11	9
1947	38.6 °C27 July 1947	-6.4 °C26 February 1947	14.1 °C	792 mm	42	20
1946	37.5 °C3 August 1946	-5.3 °C17 December 1946	12.9 °C	778 mm	15	39
1945	36.2 °C21 July 1945	-6.6 °C10 December 1945	13.8 °C	689 mm	29	39
1944	37.2 °C14 August 1944	-5.4 °C23 February 1944	12.9 °C	798 mm	19	41
1943	37.6 °C17 August 1943	-3.3 °C28 December 1943	13.9 °C	870 mm	22	19
1942	35.9 °C27 August 1942	-6.0 °C12 January 1942	13.2 °C	618 mm	27	50
1941	36.7 °C24 July 1941	-5.8 °C5 January 1941	12.6 °C	919 mm	14	32
1940	32.1 °C5 September 1940	-9.4 °C22 January 1940	12.8 °C	859 mm	14	46

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

20.5 °C

+2.0 °C

Hot days (≥ 30 °C)

43 d/yr

+24

Frost days (< 0 °C)

15 d/yr

-6

Annual rainfall

840 mm

-104 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	12.9 °C	+2.3 °C	127 mm	+37 mm
Feb	15.3 °C	+3.1 °C	52 mm	-29 mm
Mar	16.0 °C	+0.7 °C	65 mm	-11 mm
Apr	19.5 °C	+2.1 °C	96 mm	+12 mm
May	22.1 °C	+1.5 °C	51 mm	-35 mm
Jun	28.1 °C	+4.2 °C	53 mm	-15 mm
Jul	27.2 °C	+1.0 °C	39 mm	-12 mm
Aug	29.5 °C	+3.1 °C	57 mm	-6 mm
Sep	24.1 °C	-0.1 °C	52 mm	-18 mm
Oct	22.1 °C	+2.1 °C	46 mm	-35 mm
Nov	16.1 °C	+1.9 °C	129 mm	+30 mm
Dec	12.8 °C	+1.7 °C	74 mm	-23 mm

The year's extremes

Hottest day

39.7 °C

15 Aug 2025

Coldest day

-4.8 °C

14 Jan 2025

Wettest day

30.1 mm

2 Jun 2025

Windiest day

43.1 km/h

23 Oct 2025

Strongest gust

91.8 km/h

23 Oct 2025

Hottest feels-like

42.9 °C

12 Aug 2025

Coldest feels-like

-7.9 °C

14 Jan 2025

Sunniest day

14.7 h

18 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 Dax?

Dax has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 13.8 °C and it receives 944 mm of precipitation per year.

What is the hottest day ever recorded in Dax?

The hottest day measured in Dax between 1940 and 2025 was 18 July 2022, reaching 41.3 °C.

What is the coldest day in Dax?

The coldest day measured in Dax between 1940 and 2025 was 16 January 1985, at -15.8 °C.

Does it snow in Dax?

Yes. Dax gets on average 1.9 cm of snow per year and has around 21 frost days.

Has the climate of Dax warmed?

Yes: Dax warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Dax?

The wettest day measured in Dax between 1940 and 2025 was 10 June 1957, with 66 mm of rain in 24 hours.

What was the windiest day in Dax?

The windiest day measured in Dax between 1940 and 2025 was 24 January 2009, with winds reaching 62.4 km/h.

What is the warmest month in Dax?

The warmest month in Dax is August (21.0 °C on average); the coldest is January (6.8 °C).

How much does it rain in Dax?

Dax receives on average 944 mm of precipitation per year, spread over about 139 rainy days.

Is it sunny in Dax?

Dax gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

What is the biggest single-day snowfall in Dax?

The heaviest 24-hour snowfall measured in Dax between 1940 and 2025 was 24 February 1947, with 7.6 cm.

Are there tropical nights in Dax?

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

What was the most extreme apparent temperature in Dax?

In Dax, between 1940 and 2025, the highest apparent temperature reached 44.9 °C on 23 August 2023, and the lowest was -20.7 °C on 16 January 1985.

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