El Marsa climate — normals and trends

Q: What is the climate of El Marsa?

El Marsa has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 50 mm of precipitation per year.

Q: What is the hottest day ever recorded in El Marsa?

The hottest day measured in El Marsa between 1940 and 2025 was 12 May 2015, reaching 40.8 °C.

Q: What is the coldest day in El Marsa?

The coldest day measured in El Marsa between 1940 and 2025 was 30 December 1947, at 6.7 °C.

Q: Does it snow in El Marsa?

Almost never: El Marsa sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of El Marsa warmed?

Yes: El Marsa warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in El Marsa?

The wettest day measured in El Marsa between 1940 and 2025 was 6 December 1991, with 42 mm of rain in 24 hours.

Q: What was the windiest day in El Marsa?

The windiest day measured in El Marsa between 1940 and 2025 was 18 February 2010, with winds reaching 59.8 km/h.

Q: What is the warmest month in El Marsa?

The warmest month in El Marsa is August (22.2 °C on average); the coldest is January (16.6 °C).

Q: How much does it rain in El Marsa?

El Marsa receives on average 50 mm of precipitation per year, spread over about 10 rainy days.

Q: Is it sunny in El Marsa?

El Marsa gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.

El Marsa (Western Sahara) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 19.5 °C and it receives 50 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 (22.2 °C on average) and the coldest is January (16.6 °C). Rainfall peaks in December.

El Marsa averages 0 frost days, 4 hot days (≥ 30 °C) and 10 rainy days per year.

El Marsa has warmed by +0.6 °C between 1940 and 2025, or +0.07 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.8 °C (on 12 May 2015) and the coldest 6.7 °C (on 30 December 1947).

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

El Marsa

coords: 27.10°, -13.42°
period: 1940–2025 · 86 yrs

BWhHot desertWarmest monthAugustColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

19.5°C

Average daily high

22.4°C

Average daily low

17.1°C

Annual rainfall

50mm

Sunshine / day

11.1h

Mean relative humidity

74%

Average peak wind

29.5km/h

Seasonal range

5.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

4 d/yr

Rainy days (≥ 1 mm)

10 d/yr

Annual snowfall

0.0 cm

Average feels-like high

21.5 °C

Average feels-like low

15.5 °C

Average peak gust

42.3 km/h

Tropical nights (≥ 20 °C)

51 d/yr

Solar radiation

21.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.6 °C

since 1940

+0.1 °C per decade · r² = 0.18 · 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

40.8 °C

12 May 2015

Coldest day

6.7 °C

30 December 1947

Wettest day

42 mm

6 December 1991

Windiest day

59.8 km/h

18 February 2010

Strongest gust

88.6 km/h

20 February 2004

Hottest feels-like

38.1 °C

4 July 1994

Coldest feels-like

1.5 °C

20 December 1940

Sunniest day

13.7 h

20 June 2001

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.7 °C9 August 2025	10.5 °C5 January 2025	19.8 °C	42 mm	5
2024	32.3 °C16 March 2024	11.9 °C31 December 2024	20.3 °C	12 mm	9
2023	34.7 °C8 October 2023	11.1 °C4 February 2023	20.5 °C	23 mm	14
2022	35.2 °C17 April 2022	11.5 °C21 February 2022	19.9 °C	32 mm	6
2021	32.5 °C12 July 2021	11.2 °C17 January 2021	19.3 °C	18 mm	2
2020	31.9 °C26 August 2020	11.2 °C16 January 2020	20.0 °C	21 mm	4
2019	31.5 °C25 October 2019	10.5 °C15 January 2019	19.2 °C	19 mm	2
2018	30.6 °C13 August 2018	10.7 °C29 January 2018	19.1 °C	42 mm	1
2017	37.3 °C12 October 2017	10.1 °C24 December 2017	20.1 °C	13 mm	10
2016	32.4 °C10 August 2016	12.6 °C19 February 2016	19.7 °C	56 mm	3
2015	40.8 °C12 May 2015	10.5 °C5 January 2015	19.8 °C	35 mm	11
2014	30.5 °C22 October 2014	9.9 °C1 January 2014	19.3 °C	109 mm	2
2013	35.2 °C19 April 2013	11.4 °C25 December 2013	19.6 °C	26 mm	5
2012	36.8 °C14 May 2012	9.2 °C6 February 2012	19.6 °C	40 mm	9
2011	31.9 °C10 October 2011	11.4 °C5 March 2011	19.7 °C	30 mm	2
2010	33.3 °C12 August 2010	12.5 °C30 January 2010	20.5 °C	61 mm	9
2009	33.6 °C31 July 2009	11.3 °C13 January 2009	19.7 °C	41 mm	6
2008	32.5 °C25 April 2008	10.0 °C1 January 2008	19.6 °C	43 mm	4
2007	34.6 °C29 July 2007	10.2 °C31 December 2007	19.5 °C	73 mm	5
2006	34.4 °C1 April 2006	10.6 °C19 January 2006	19.9 °C	29 mm	2
2005	34.8 °C4 September 2005	7.8 °C29 January 2005	19.6 °C	67 mm	4
2004	31.8 °C26 August 2004	10.3 °C29 December 2004	19.9 °C	74 mm	7
2003	32.8 °C21 May 2003	10.4 °C19 January 2003	19.8 °C	28 mm	3
2002	36.3 °C5 October 2002	11.2 °C23 January 2002	19.7 °C	27 mm	10
2001	32.8 °C25 October 2001	11.0 °C2 February 2001	19.8 °C	3 mm	7
2000	30.0 °C4 March 2000	8.4 °C6 January 2000	19.3 °C	8 mm	1
1999	34.5 °C27 August 1999	9.2 °C5 February 1999	19.1 °C	92 mm	5
1998	33.9 °C31 October 1998	11.6 °C28 December 1998	20.0 °C	26 mm	5
1997	29.6 °C5 November 1997	12.0 °C4 January 1997	20.3 °C	30 mm	0
1996	37.2 °C24 May 1996	11.4 °C10 December 1996	19.7 °C	111 mm	5
1995	35.4 °C18 October 1995	10.3 °C10 January 1995	20.0 °C	35 mm	7
1994	39.5 °C4 July 1994	10.0 °C26 January 1994	19.7 °C	39 mm	5
1993	29.3 °C19 April 1993	9.4 °C11 January 1993	19.1 °C	62 mm	0
1992	30.0 °C18 April 1992	9.2 °C2 January 1992	19.3 °C	12 mm	1
1991	29.1 °C4 October 1991	10.3 °C6 February 1991	19.1 °C	103 mm	0
1990	32.5 °C26 August 1990	11.3 °C26 January 1990	20.0 °C	47 mm	7
1989	32.8 °C7 October 1989	10.5 °C6 January 1989	19.9 °C	106 mm	5
1988	34.3 °C17 August 1988	10.2 °C12 December 1988	19.4 °C	79 mm	4
1987	35.5 °C12 September 1987	8.1 °C4 January 1987	20.1 °C	57 mm	3
1986	30.9 °C24 May 1986	8.9 °C27 December 1986	18.9 °C	28 mm	2
1985	33.1 °C7 November 1985	9.9 °C17 January 1985	19.8 °C	47 mm	7
1984	32.1 °C11 October 1984	10.5 °C14 January 1984	19.2 °C	27 mm	4
1983	36.0 °C13 October 1983	9.3 °C29 January 1983	19.9 °C	58 mm	14
1982	29.3 °C25 July 1982	9.2 °C26 December 1982	19.2 °C	29 mm	0
1981	30.2 °C10 March 1981	8.3 °C16 January 1981	19.5 °C	45 mm	3
1980	32.6 °C14 September 1980	10.2 °C1 January 1980	19.6 °C	65 mm	7
1979	28.7 °C6 February 1979	8.7 °C25 December 1979	19.3 °C	58 mm	0
1978	32.5 °C25 September 1978	10.1 °C10 January 1978	19.4 °C	43 mm	6
1977	32.8 °C30 September 1977	11.1 °C10 January 1977	19.3 °C	64 mm	4
1976	34.6 °C9 August 1976	10.1 °C15 January 1976	19.2 °C	47 mm	8
1975	31.2 °C30 October 1975	10.5 °C29 January 1975	19.2 °C	30 mm	3
1974	31.8 °C5 October 1974	10.4 °C28 January 1974	18.9 °C	28 mm	3
1973	32.5 °C4 April 1973	9.6 °C2 January 1973	19.3 °C	24 mm	3
1972	28.8 °C22 October 1972	9.5 °C25 December 1972	18.5 °C	134 mm	0
1971	33.0 °C14 October 1971	10.8 °C30 December 1971	19.0 °C	65 mm	4
1970	32.1 °C2 May 1970	10.6 °C20 December 1970	19.5 °C	41 mm	3
1969	31.2 °C26 July 1969	9.1 °C4 December 1969	19.7 °C	128 mm	1
1968	30.6 °C20 October 1968	9.8 °C5 January 1968	19.0 °C	66 mm	1
1967	30.0 °C14 March 1967	10.1 °C19 January 1967	19.2 °C	49 mm	1
1966	29.3 °C16 August 1966	11.4 °C6 January 1966	19.5 °C	21 mm	0
1965	31.8 °C21 March 1965	8.8 °C2 January 1965	19.1 °C	128 mm	2
1964	31.5 °C7 October 1964	9.8 °C2 January 1964	19.5 °C	26 mm	3
1963	30.6 °C24 October 1963	9.1 °C28 December 1963	19.4 °C	63 mm	2
1962	32.2 °C31 August 1962	11.2 °C11 December 1962	19.7 °C	51 mm	5
1961	31.3 °C17 August 1961	9.1 °C17 January 1961	20.0 °C	18 mm	6
1960	31.9 °C4 March 1960	9.2 °C21 January 1960	19.2 °C	45 mm	2
1959	29.8 °C2 October 1959	10.2 °C6 February 1959	18.7 °C	41 mm	0
1958	35.1 °C17 October 1958	10.7 °C29 December 1958	19.5 °C	39 mm	5
1957	33.7 °C5 September 1957	8.5 °C23 January 1957	18.9 °C	54 mm	3
1956	33.3 °C10 May 1956	8.8 °C26 December 1956	19.1 °C	82 mm	5
1955	37.1 °C12 May 1955	10.8 °C13 March 1955	20.0 °C	41 mm	5
1954	32.8 °C20 August 1954	9.8 °C8 January 1954	18.8 °C	81 mm	4
1953	35.5 °C29 May 1953	9.4 °C30 December 1953	19.4 °C	137 mm	6
1952	33.7 °C10 October 1952	7.9 °C11 January 1952	19.4 °C	26 mm	7
1951	29.8 °C23 March 1951	10.2 °C13 February 1951	19.1 °C	92 mm	0
1950	29.9 °C1 May 1950	9.9 °C6 January 1950	19.3 °C	66 mm	0
1949	34.8 °C26 August 1949	9.1 °C6 January 1949	19.8 °C	82 mm	7
1948	30.9 °C4 August 1948	7.1 °C6 January 1948	19.5 °C	12 mm	2
1947	35.3 °C24 April 1947	6.7 °C30 December 1947	19.5 °C	42 mm	10
1946	33.9 °C23 September 1946	9.8 °C1 February 1946	19.5 °C	31 mm	9
1945	33.3 °C19 April 1945	7.7 °C25 January 1945	19.7 °C	44 mm	7
1944	32.6 °C24 April 1944	8.5 °C26 January 1944	19.3 °C	60 mm	4
1943	36.0 °C15 May 1943	8.9 °C31 January 1943	19.2 °C	49 mm	7
1942	35.1 °C10 October 1942	8.8 °C6 January 1942	19.6 °C	34 mm	5
1941	36.0 °C6 September 1941	8.1 °C19 January 1941	19.3 °C	32 mm	11
1940	32.9 °C18 March 1940	7.7 °C20 December 1940	19.1 °C	25 mm	2

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

22.7 °C

+0.3 °C

Hot days (≥ 30 °C)

5 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

42 mm

-9 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	21.1 °C	+1.1 °C	1 mm	-7 mm
Feb	21.1 °C	+0.7 °C	1 mm	-6 mm
Mar	20.6 °C	-0.4 °C	4 mm	-1 mm
Apr	21.5 °C	+0.5 °C	3 mm	+1 mm
May	22.1 °C	+0.5 °C	0 mm	-1 mm
Jun	22.8 °C	+0.2 °C	0 mm	0 mm
Jul	24.0 °C	-0.1 °C	1 mm	+1 mm
Aug	25.6 °C	+0.6 °C	0 mm	+0 mm
Sep	25.4 °C	+0.4 °C	1 mm	-2 mm
Oct	24.2 °C	-0.3 °C	16 mm	+10 mm
Nov	23.9 °C	+1.0 °C	1 mm	-7 mm
Dec	20.5 °C	-0.3 °C	13 mm	+4 mm

The year's extremes

Hottest day

32.7 °C

9 Aug 2025

Coldest day

10.5 °C

5 Jan 2025

Wettest day

13.7 mm

2 Oct 2025

Windiest day

42.9 km/h

30 Jan 2025

Strongest gust

62.3 km/h

30 Jan 2025

Hottest feels-like

34.2 °C

9 Aug 2025

Coldest feels-like

6.8 °C

16 Jan 2025

Sunniest day

13.6 h

29 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 El Marsa?

El Marsa has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 50 mm of precipitation per year.

What is the hottest day ever recorded in El Marsa?

The hottest day measured in El Marsa between 1940 and 2025 was 12 May 2015, reaching 40.8 °C.

What is the coldest day in El Marsa?

The coldest day measured in El Marsa between 1940 and 2025 was 30 December 1947, at 6.7 °C.

Does it snow in El Marsa?

Almost never: El Marsa sees virtually no snow, with about 0 frost days per year.

Has the climate of El Marsa warmed?

Yes: El Marsa warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in El Marsa?

The wettest day measured in El Marsa between 1940 and 2025 was 6 December 1991, with 42 mm of rain in 24 hours.

What was the windiest day in El Marsa?

The windiest day measured in El Marsa between 1940 and 2025 was 18 February 2010, with winds reaching 59.8 km/h.

What is the warmest month in El Marsa?

The warmest month in El Marsa is August (22.2 °C on average); the coldest is January (16.6 °C).

How much does it rain in El Marsa?

El Marsa receives on average 50 mm of precipitation per year, spread over about 10 rainy days.

Is it sunny in El Marsa?

El Marsa gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.

Are there tropical nights in El Marsa?

Yes: El Marsa has on average 51 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in El Marsa?

In El Marsa, between 1940 and 2025, the highest apparent temperature reached 38.1 °C on 4 July 1994, and the lowest was 1.5 °C on 20 December 1940.

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