Guelmim climate — normals and trends

Q: What is the climate of Guelmim?

Guelmim has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 18.8 °C and it receives 128 mm of precipitation per year.

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

The hottest day measured in Guelmim between 1940 and 2025 was 11 August 2023, reaching 48.7 °C.

Q: What is the coldest day in Guelmim?

The coldest day measured in Guelmim between 1940 and 2025 was 29 January 2005, at -1.2 °C.

Q: Does it snow in Guelmim?

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

Q: Has the climate of Guelmim warmed?

Yes: Guelmim warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Guelmim?

The wettest day measured in Guelmim between 1940 and 2025 was 28 November 2014, with 55 mm of rain in 24 hours.

Q: What was the windiest day in Guelmim?

The windiest day measured in Guelmim between 1940 and 2025 was 18 February 1950, with winds reaching 52.4 km/h.

Q: What is the warmest month in Guelmim?

The warmest month in Guelmim is August (25.3 °C on average); the coldest is January (12.9 °C).

Q: How much does it rain in Guelmim?

Guelmim receives on average 128 mm of precipitation per year, spread over about 22 rainy days.

Q: Is it sunny in Guelmim?

Guelmim gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.

Guelmim (Morocco) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 18.8 °C and it receives 128 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 (25.3 °C on average) and the coldest is January (12.9 °C). Rainfall peaks in December.

Guelmim averages 0 frost days, 84 hot days (≥ 30 °C) and 22 rainy days per year.

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

The hottest day of the period reached 48.7 °C (on 11 August 2023) and the coldest -1.2 °C (on 29 January 2005).

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

GuelmimGuelmim-Oued Noun

coords: 28.99°, -10.06°
period: 1940–2025 · 86 yrs

BWhHot desertWarmest monthAugustColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

18.8°C

Average daily high

25.2°C

Average daily low

13.5°C

Annual rainfall

128mm

Sunshine / day

11.2h

Mean relative humidity

63%

Average peak wind

20.9km/h

Seasonal range

12.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

84 d/yr

Rainy days (≥ 1 mm)

22 d/yr

Annual snowfall

0.0 cm

Average feels-like high

23.7 °C

Average feels-like low

12.3 °C

Average peak gust

42.1 km/h

Tropical nights (≥ 20 °C)

29 d/yr

Solar radiation

21.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.31 · 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

48.7 °C

11 August 2023

Coldest day

-1.2 °C

29 January 2005

Wettest day

55 mm

28 November 2014

Windiest day

52.4 km/h

18 February 1950

Strongest gust

99.4 km/h

18 February 1950

Hottest feels-like

48.9 °C

9 July 2022

Coldest feels-like

-5.3 °C

29 January 2005

Sunniest day

13.3 h

30 June 1957

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	45.3 °C9 August 2025	4.3 °C8 February 2025	19.7 °C	77 mm	99	0
2024	44.2 °C3 August 2024	5.3 °C31 December 2024	20.1 °C	40 mm	95	0
2023	48.7 °C11 August 2023	2.8 °C26 January 2023	20.6 °C	90 mm	120	0
2022	46.5 °C9 July 2022	5.8 °C12 January 2022	20.6 °C	86 mm	118	0
2021	47.0 °C15 August 2021	3.8 °C19 January 2021	19.3 °C	75 mm	83	0
2020	47.0 °C6 July 2020	4.7 °C9 January 2020	20.1 °C	62 mm	110	0
2019	44.2 °C23 August 2019	4.4 °C3 January 2019	19.3 °C	39 mm	88	0
2018	41.7 °C10 July 2018	3.2 °C29 January 2018	18.4 °C	149 mm	76	0
2017	46.7 °C7 August 2017	4.8 °C25 January 2017	20.4 °C	62 mm	127	0
2016	45.0 °C5 August 2016	4.9 °C17 February 2016	19.4 °C	116 mm	80	0
2015	43.7 °C13 May 2015	3.5 °C7 January 2015	19.3 °C	90 mm	76	0
2014	41.9 °C30 June 2014	3.6 °C2 January 2014	19.0 °C	275 mm	91	0
2013	45.6 °C15 August 2013	4.2 °C23 January 2013	19.2 °C	75 mm	84	0
2012	46.9 °C21 July 2012	2.8 °C21 January 2012	19.9 °C	106 mm	97	0
2011	43.6 °C21 June 2011	3.5 °C4 February 2011	19.8 °C	135 mm	102	0
2010	46.2 °C28 August 2010	4.3 °C10 January 2010	20.1 °C	207 mm	86	0
2009	47.0 °C29 July 2009	2.1 °C13 January 2009	20.0 °C	175 mm	108	0
2008	44.1 °C27 June 2008	3.2 °C18 December 2008	19.3 °C	70 mm	90	0
2007	46.9 °C28 July 2007	4.9 °C31 December 2007	19.0 °C	84 mm	74	0
2006	44.3 °C10 July 2006	3.2 °C18 January 2006	19.3 °C	126 mm	96	0
2005	45.0 °C20 July 2005	-1.2 °C29 January 2005	18.7 °C	160 mm	88	1
2004	46.1 °C24 July 2004	3.1 °C30 December 2004	19.2 °C	107 mm	91	0
2003	41.0 °C13 September 2003	2.3 °C16 January 2003	19.3 °C	99 mm	85	0
2002	42.8 °C22 June 2002	6.1 °C22 January 2002	19.1 °C	177 mm	83	0
2001	44.8 °C5 August 2001	4.8 °C8 January 2001	19.5 °C	23 mm	95	0
2000	45.2 °C31 July 2000	2.5 °C9 January 2000	19.1 °C	66 mm	89	0
1999	43.8 °C3 July 1999	1.9 °C18 December 1999	18.3 °C	95 mm	77	0
1998	45.8 °C5 August 1998	4.8 °C10 December 1998	19.4 °C	100 mm	89	0
1997	37.2 °C16 August 1997	4.8 °C21 January 1997	18.8 °C	100 mm	52	0
1996	40.8 °C24 July 1996	5.2 °C28 February 1996	18.5 °C	312 mm	80	0
1995	45.4 °C22 July 1995	3.9 °C28 February 1995	19.3 °C	153 mm	75	0
1994	46.6 °C10 July 1994	3.7 °C19 January 1994	19.3 °C	36 mm	84	0
1993	45.0 °C10 August 1993	3.3 °C11 January 1993	17.6 °C	69 mm	47	0
1992	43.0 °C13 August 1992	2.4 °C25 January 1992	18.5 °C	45 mm	67	0
1991	43.5 °C1 September 1991	3.1 °C30 January 1991	18.0 °C	179 mm	87	0
1990	43.9 °C4 July 1990	2.7 °C23 January 1990	19.1 °C	101 mm	80	0
1989	42.5 °C25 August 1989	3.4 °C15 January 1989	19.0 °C	170 mm	91	0
1988	46.6 °C31 July 1988	3.6 °C21 January 1988	18.7 °C	262 mm	70	0
1987	46.0 °C19 August 1987	3.1 °C4 January 1987	19.3 °C	128 mm	70	0
1986	44.6 °C21 August 1986	3.2 °C27 December 1986	18.1 °C	117 mm	67	0
1985	44.5 °C22 August 1985	3.5 °C17 January 1985	19.1 °C	168 mm	94	0
1984	44.7 °C1 August 1984	3.2 °C13 January 1984	18.7 °C	116 mm	82	0
1983	44.6 °C5 September 1983	4.3 °C2 January 1983	19.5 °C	111 mm	92	0
1982	45.2 °C25 July 1982	2.0 °C24 December 1982	18.1 °C	122 mm	55	0
1981	44.1 °C19 August 1981	1.3 °C17 January 1981	18.8 °C	93 mm	86	0
1980	45.7 °C6 August 1980	3.2 °C29 December 1980	19.3 °C	108 mm	89	0
1979	47.1 °C28 July 1979	1.4 °C25 December 1979	18.2 °C	162 mm	53	0
1978	45.3 °C18 July 1978	3.0 °C15 January 1978	18.5 °C	132 mm	74	0
1977	37.8 °C26 June 1977	3.0 °C8 January 1977	18.0 °C	91 mm	45	0
1976	43.9 °C6 August 1976	3.2 °C30 January 1976	17.4 °C	157 mm	42	0
1975	46.3 °C15 July 1975	4.1 °C21 December 1975	18.8 °C	53 mm	76	0
1974	45.4 °C1 July 1974	3.3 °C26 December 1974	18.1 °C	101 mm	81	0
1973	43.3 °C27 July 1973	3.2 °C1 January 1973	18.4 °C	104 mm	86	0
1972	45.3 °C22 July 1972	2.1 °C25 January 1972	16.6 °C	196 mm	35	0
1971	42.5 °C20 July 1971	2.5 °C2 February 1971	17.7 °C	164 mm	69	0
1970	45.4 °C9 August 1970	3.7 °C18 March 1970	19.2 °C	141 mm	89	0
1969	43.5 °C30 July 1969	1.9 °C4 December 1969	18.4 °C	136 mm	55	0
1968	44.1 °C23 July 1968	1.6 °C7 January 1968	18.3 °C	231 mm	89	0
1967	46.3 °C20 July 1967	1.9 °C14 December 1967	18.6 °C	210 mm	89	0
1966	44.8 °C19 August 1966	3.3 °C2 January 1966	18.6 °C	94 mm	77	0
1965	44.0 °C5 August 1965	0.4 °C7 January 1965	18.3 °C	174 mm	86	0
1964	42.7 °C26 July 1964	3.2 °C29 January 1964	19.0 °C	199 mm	123	0
1963	44.1 °C15 July 1963	1.0 °C24 December 1963	17.8 °C	254 mm	66	0
1962	44.4 °C9 August 1962	1.9 °C16 December 1962	19.1 °C	238 mm	103	0
1961	45.0 °C10 July 1961	0.6 °C14 January 1961	19.7 °C	73 mm	96	0
1960	43.1 °C25 August 1960	1.6 °C19 December 1960	18.1 °C	154 mm	91	0
1959	45.5 °C17 August 1959	3.3 °C21 January 1959	17.7 °C	91 mm	53	0
1958	43.9 °C14 August 1958	2.6 °C18 January 1958	18.8 °C	82 mm	83	0
1957	45.0 °C11 July 1957	-0.3 °C21 January 1957	18.0 °C	191 mm	79	1
1956	44.5 °C1 August 1956	1.7 °C2 January 1956	17.8 °C	214 mm	91	0
1955	44.3 °C11 August 1955	5.0 °C14 March 1955	19.0 °C	161 mm	92	0
1954	43.9 °C24 July 1954	1.5 °C14 December 1954	18.0 °C	222 mm	109	0
1953	45.4 °C19 July 1953	1.9 °C11 January 1953	18.1 °C	240 mm	75	0
1952	44.6 °C12 July 1952	2.0 °C23 January 1952	18.4 °C	84 mm	76	0
1951	42.8 °C1 September 1951	3.1 °C26 January 1951	17.7 °C	136 mm	70	0
1950	44.0 °C10 July 1950	1.4 °C27 January 1950	18.7 °C	71 mm	78	0
1949	44.9 °C20 July 1949	1.7 °C14 January 1949	18.5 °C	189 mm	81	0
1948	45.1 °C24 July 1948	1.8 °C5 January 1948	18.8 °C	87 mm	91	0
1947	44.3 °C3 August 1947	-0.2 °C30 January 1947	18.6 °C	178 mm	77	1
1946	45.6 °C22 July 1946	0.2 °C26 December 1946	19.0 °C	49 mm	102	0
1945	44.5 °C21 July 1945	-0.1 °C8 January 1945	19.3 °C	74 mm	100	1
1944	46.3 °C31 July 1944	0.8 °C23 January 1944	18.4 °C	70 mm	71	0
1943	43.6 °C12 July 1943	-0.1 °C1 January 1943	18.7 °C	136 mm	110	1
1942	44.3 °C8 August 1942	1.4 °C5 January 1942	19.0 °C	110 mm	103	0
1941	45.7 °C18 July 1941	1.2 °C7 January 1941	18.9 °C	144 mm	92	0
1940	44.1 °C29 July 1940	0.6 °C21 December 1940	18.3 °C	93 mm	92	0

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

26.6 °C

+1.4 °C

Hot days (≥ 30 °C)

99 d/yr

+15

Frost days (< 0 °C)

0 d/yr

Annual rainfall

77 mm

-51 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	21.6 °C	+2.9 °C	0 mm	-16 mm
Feb	22.5 °C	+2.1 °C	3 mm	-17 mm
Mar	21.7 °C	-1.0 °C	23 mm	+5 mm
Apr	25.0 °C	+1.6 °C	2 mm	-7 mm
May	25.9 °C	+0.7 °C	0 mm	-3 mm
Jun	31.0 °C	+3.9 °C	1 mm	-0 mm
Jul	32.3 °C	-0.4 °C	1 mm	+0 mm
Aug	35.0 °C	+1.8 °C	1 mm	-0 mm
Sep	31.7 °C	+1.8 °C	2 mm	-3 mm
Oct	28.3 °C	+1.4 °C	1 mm	-10 mm
Nov	25.7 °C	+2.7 °C	7 mm	-13 mm
Dec	18.6 °C	-0.7 °C	37 mm	+13 mm

The year's extremes

Hottest day

45.3 °C

9 Aug 2025

Coldest day

4.3 °C

8 Feb 2025

Wettest day

15.4 mm

12 Dec 2025

Windiest day

42.1 km/h

23 Mar 2025

Strongest gust

79.6 km/h

23 Mar 2025

Hottest feels-like

44.3 °C

10 Aug 2025

Coldest feels-like

1.2 °C

8 Feb 2025

Sunniest day

13.2 h

5 Jul 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 Guelmim?

Guelmim has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 18.8 °C and it receives 128 mm of precipitation per year.

What is the hottest day ever recorded in Guelmim?

The hottest day measured in Guelmim between 1940 and 2025 was 11 August 2023, reaching 48.7 °C.

What is the coldest day in Guelmim?

The coldest day measured in Guelmim between 1940 and 2025 was 29 January 2005, at -1.2 °C.

Does it snow in Guelmim?

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

Has the climate of Guelmim warmed?

Yes: Guelmim warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Guelmim?

The wettest day measured in Guelmim between 1940 and 2025 was 28 November 2014, with 55 mm of rain in 24 hours.

What was the windiest day in Guelmim?

The windiest day measured in Guelmim between 1940 and 2025 was 18 February 1950, with winds reaching 52.4 km/h.

What is the warmest month in Guelmim?

The warmest month in Guelmim is August (25.3 °C on average); the coldest is January (12.9 °C).

How much does it rain in Guelmim?

Guelmim receives on average 128 mm of precipitation per year, spread over about 22 rainy days.

Is it sunny in Guelmim?

Guelmim gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.

Are there tropical nights in Guelmim?

Yes: Guelmim has on average 29 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Guelmim?

In Guelmim, between 1940 and 2025, the highest apparent temperature reached 48.9 °C on 9 July 2022, and the lowest was -5.3 °C on 29 January 2005.

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