Oued Zem climate — normals and trends

Q: What is the climate of Oued Zem?

Oued Zem has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 18.9 °C and it receives 393 mm of precipitation per year.

Q: What is the hottest day ever recorded in Oued Zem?

The hottest day measured in Oued Zem between 1940 and 2025 was 23 July 2024, reaching 46.2 °C.

Q: What is the coldest day in Oued Zem?

The coldest day measured in Oued Zem between 1940 and 2025 was 28 January 2005, at -3.8 °C.

Q: Does it snow in Oued Zem?

Almost never: Oued Zem sees virtually no snow, with about 1 frost days per year.

Q: Has the climate of Oued Zem warmed?

Yes: Oued Zem warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Oued Zem?

The wettest day measured in Oued Zem between 1940 and 2025 was 18 December 1963, with 60 mm of rain in 24 hours.

Q: What was the windiest day in Oued Zem?

The windiest day measured in Oued Zem between 1940 and 2025 was 15 December 1975, with winds reaching 46.3 km/h.

Q: What is the warmest month in Oued Zem?

The warmest month in Oued Zem is July (28.7 °C on average); the coldest is January (10.3 °C).

Q: How much does it rain in Oued Zem?

Oued Zem receives on average 393 mm of precipitation per year, spread over about 62 rainy days.

Q: Is it sunny in Oued Zem?

Oued Zem gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.

Oued Zem (Morocco) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 18.9 °C and it receives 393 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 (28.7 °C on average) and the coldest is January (10.3 °C). Rainfall peaks in December.

Oued Zem averages 1 frost days, 120 hot days (≥ 30 °C) and 62 rainy days per year.

Oued Zem has warmed by +2.7 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.

The number of frost days there went from about 2 to 0 per year over the period.

The hottest day of the period reached 46.2 °C (on 23 July 2024) and the coldest -3.8 °C (on 28 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

Oued ZemBeni Mellal-Khenifra

coords: 32.86°, -6.57°
period: 1940–2025 · 86 yrs

CsaHot-summer MediterraneanWarmest monthJulyColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

18.9°C

Average daily high

25.5°C

Average daily low

13.2°C

Annual rainfall

393mm

Sunshine / day

10.8h

Mean relative humidity

58%

Average peak wind

14.2km/h

Seasonal range

18.4°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

120 d/yr

Rainy days (≥ 1 mm)

62 d/yr

Annual snowfall

0.2 cm

Average feels-like high

24.6 °C

Average feels-like low

12.0 °C

Average peak gust

29.1 km/h

Tropical nights (≥ 20 °C)

64 d/yr

Solar radiation

20.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.7 °C

since 1940

+0.3 °C per decade · r² = 0.55 · 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

46.2 °C

23 July 2024

Coldest day

-3.8 °C

28 January 2005

Wettest day

60 mm

18 December 1963

Windiest day

46.3 km/h

15 December 1975

Strongest gust

91.8 km/h

19 February 2010

Hottest feels-like

46.2 °C

23 July 1995

Coldest feels-like

-8.4 °C

28 January 2005

Snowiest day

3.0 cm

22 December 1979

Sunniest day

13.4 h

15 June 1957

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	43.9 °C16 August 2025	1.7 °C16 January 2025	20.6 °C	470 mm	154	0
2024	46.2 °C23 July 2024	2.5 °C11 December 2024	21.4 °C	240 mm	157	0
2023	45.5 °C10 July 2023	0.7 °C29 January 2023	21.4 °C	239 mm	165	0
2022	44.6 °C24 July 2022	4.0 °C17 January 2022	21.5 °C	280 mm	168	0
2021	45.9 °C14 August 2021	0.4 °C4 January 2021	20.5 °C	274 mm	151	0
2020	45.1 °C6 July 2020	2.1 °C31 December 2020	21.2 °C	246 mm	152	0
2019	43.1 °C23 August 2019	2.6 °C10 January 2019	20.4 °C	263 mm	158	0
2018	42.3 °C2 August 2018	0.6 °C4 February 2018	19.0 °C	585 mm	112	0
2017	44.7 °C12 July 2017	1.3 °C25 January 2017	21.6 °C	235 mm	182	0
2016	43.8 °C8 August 2016	2.4 °C17 February 2016	20.6 °C	359 mm	145	0
2015	42.5 °C22 July 2015	0.5 °C6 February 2015	20.2 °C	294 mm	134	0
2014	41.7 °C15 July 2014	3.4 °C24 January 2014	19.9 °C	462 mm	152	0
2013	43.5 °C31 July 2013	1.9 °C8 February 2013	19.5 °C	309 mm	128	0
2012	45.1 °C17 July 2012	-1.1 °C9 February 2012	19.9 °C	370 mm	147	5
2011	44.6 °C8 August 2011	1.0 °C4 February 2011	19.7 °C	470 mm	144	0
2010	43.7 °C27 August 2010	1.3 °C9 January 2010	19.9 °C	583 mm	116	0
2009	44.0 °C20 July 2009	2.1 °C22 January 2009	20.1 °C	450 mm	142	0
2008	42.8 °C27 June 2008	1.6 °C3 December 2008	19.5 °C	319 mm	122	0
2007	42.9 °C29 July 2007	0.8 °C27 January 2007	19.7 °C	241 mm	128	0
2006	44.4 °C10 July 2006	1.3 °C22 December 2006	19.9 °C	350 mm	140	0
2005	43.5 °C20 July 2005	-3.8 °C28 January 2005	19.7 °C	175 mm	149	4
2004	44.4 °C24 July 2004	0.4 °C28 December 2004	19.0 °C	339 mm	128	0
2003	43.8 °C31 July 2003	0.6 °C15 January 2003	19.6 °C	460 mm	136	0
2002	42.4 °C28 July 2002	2.4 °C9 December 2002	19.5 °C	410 mm	132	0
2001	42.7 °C21 July 2001	2.2 °C16 November 2001	20.1 °C	185 mm	137	0
2000	42.9 °C31 July 2000	-0.1 °C11 January 2000	19.6 °C	297 mm	123	1
1999	43.6 °C2 July 1999	-0.9 °C18 December 1999	19.1 °C	320 mm	132	1
1998	42.7 °C17 July 1998	2.5 °C7 December 1998	19.6 °C	293 mm	116	0
1997	39.6 °C14 August 1997	4.6 °C28 December 1997	19.1 °C	488 mm	96	0
1996	41.8 °C24 July 1996	1.1 °C23 February 1996	18.6 °C	706 mm	115	0
1995	45.5 °C19 July 1995	0.5 °C8 January 1995	20.0 °C	317 mm	117	0
1994	43.1 °C4 July 1994	2.2 °C21 December 1994	19.5 °C	243 mm	120	0
1993	42.3 °C27 July 1993	2.3 °C5 January 1993	17.8 °C	289 mm	81	0
1992	40.0 °C13 July 1992	2.0 °C5 January 1992	18.4 °C	277 mm	94	0
1991	42.0 °C13 July 1991	1.6 °C5 February 1991	18.1 °C	381 mm	111	0
1990	41.4 °C3 August 1990	2.4 °C13 January 1990	19.2 °C	381 mm	108	0
1989	42.2 °C18 July 1989	1.9 °C4 January 1989	19.4 °C	492 mm	120	0
1988	44.0 °C27 August 1988	3.2 °C7 March 1988	18.9 °C	370 mm	100	0
1987	43.1 °C27 July 1987	2.5 °C5 January 1987	19.6 °C	362 mm	127	0
1986	41.2 °C29 July 1986	-0.7 °C25 December 1986	18.5 °C	370 mm	109	1
1985	42.7 °C4 August 1985	-1.5 °C16 January 1985	19.3 °C	380 mm	122	1
1984	42.4 °C9 July 1984	1.2 °C31 December 1984	18.6 °C	321 mm	117	0
1983	40.0 °C15 June 1983	0.6 °C3 January 1983	19.4 °C	271 mm	138	0
1982	44.0 °C30 June 1982	1.8 °C31 December 1982	18.4 °C	402 mm	99	0
1981	42.1 °C29 July 1981	-1.1 °C15 January 1981	19.4 °C	215 mm	125	2
1980	43.3 °C22 July 1980	-0.4 °C3 December 1980	18.8 °C	403 mm	120	2
1979	43.0 °C28 July 1979	0.7 °C21 December 1979	18.1 °C	370 mm	95	0
1978	43.2 °C23 July 1978	-1.3 °C14 January 1978	18.6 °C	373 mm	95	1
1977	38.7 °C19 July 1977	2.3 °C25 November 1977	18.0 °C	440 mm	81	0
1976	40.9 °C14 August 1976	-2.6 °C28 January 1976	17.1 °C	642 mm	76	4
1975	42.7 °C15 July 1975	3.1 °C23 January 1975	18.0 °C	422 mm	93	0
1974	42.1 °C29 July 1974	2.6 °C22 February 1974	18.1 °C	391 mm	101	0
1973	42.5 °C27 July 1973	1.5 °C19 January 1973	18.2 °C	457 mm	108	0
1972	41.9 °C23 July 1972	0.4 °C25 January 1972	16.5 °C	572 mm	79	0
1971	39.3 °C31 July 1971	1.3 °C2 January 1971	17.2 °C	661 mm	95	0
1970	41.8 °C26 July 1970	1.5 °C17 December 1970	18.8 °C	463 mm	115	0
1969	39.8 °C12 July 1969	1.5 °C2 December 1969	18.0 °C	672 mm	85	0
1968	41.5 °C18 July 1968	1.2 °C2 January 1968	18.4 °C	561 mm	131	0
1967	43.1 °C21 July 1967	0.4 °C13 December 1967	18.5 °C	484 mm	112	0
1966	42.2 °C26 June 1966	2.9 °C26 December 1966	18.4 °C	314 mm	107	0
1965	41.2 °C5 August 1965	-0.1 °C8 January 1965	18.1 °C	420 mm	104	1
1964	39.5 °C26 July 1964	0.3 °C27 January 1964	18.4 °C	422 mm	141	0
1963	40.2 °C15 July 1963	0.2 °C24 December 1963	17.6 °C	741 mm	91	0
1962	40.7 °C20 August 1962	-0.1 °C15 December 1962	18.3 °C	596 mm	115	1
1961	41.2 °C26 July 1961	-1.1 °C16 January 1961	19.2 °C	295 mm	122	2
1960	40.0 °C24 August 1960	-0.5 °C18 January 1960	17.8 °C	656 mm	100	1
1959	42.8 °C17 August 1959	2.5 °C3 January 1959	17.9 °C	408 mm	97	0
1958	40.3 °C15 August 1958	1.1 °C15 January 1958	18.4 °C	311 mm	108	0
1957	40.4 °C10 July 1957	-2.6 °C20 January 1957	17.6 °C	585 mm	93	4
1956	41.0 °C1 August 1956	-1.3 °C2 January 1956	17.0 °C	611 mm	105	3
1955	41.6 °C7 July 1955	-0.4 °C13 March 1955	19.2 °C	512 mm	149	1
1954	43.4 °C19 August 1954	-2.1 °C8 February 1954	17.7 °C	476 mm	121	4
1953	43.9 °C20 July 1953	-1.7 °C7 January 1953	18.1 °C	321 mm	114	5
1952	41.7 °C12 August 1952	-0.5 °C16 January 1952	18.2 °C	289 mm	124	5
1951	41.4 °C27 July 1951	0.7 °C13 February 1951	18.0 °C	408 mm	111	0
1950	40.3 °C28 June 1950	1.8 °C20 January 1950	18.6 °C	245 mm	108	0
1949	39.3 °C24 August 1949	1.5 °C15 January 1949	18.4 °C	470 mm	100	0
1948	42.7 °C25 July 1948	1.2 °C18 January 1948	19.0 °C	281 mm	117	0
1947	39.7 °C3 August 1947	0.7 °C21 December 1947	18.6 °C	433 mm	116	0
1946	43.6 °C11 July 1946	0.0 °C26 January 1946	18.1 °C	230 mm	113	0
1945	42.5 °C22 July 1945	-1.4 °C7 January 1945	19.7 °C	212 mm	146	3
1944	43.8 °C31 July 1944	-0.5 °C30 December 1944	18.6 °C	285 mm	105	1
1943	41.6 °C16 August 1943	-1.1 °C1 January 1943	18.7 °C	330 mm	121	3
1942	43.3 °C16 July 1942	0.4 °C10 January 1942	18.3 °C	507 mm	122	0
1941	42.5 °C19 July 1941	-1.2 °C6 January 1941	18.3 °C	311 mm	113	3
1940	42.4 °C28 July 1940	-1.4 °C24 January 1940	17.7 °C	427 mm	105	1

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

27.6 °C

+2.1 °C

Hot days (≥ 30 °C)

154 d/yr

+34

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

470 mm

+77 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	19.6 °C	+3.2 °C	30 mm	-20 mm
Feb	19.8 °C	+1.7 °C	36 mm	-13 mm
Mar	18.7 °C	-2.0 °C	123 mm	+69 mm
Apr	25.2 °C	+2.2 °C	53 mm	+9 mm
May	29.8 °C	+2.7 °C	3 mm	-22 mm
Jun	36.9 °C	+5.3 °C	9 mm	-1 mm
Jul	39.1 °C	+2.7 °C	6 mm	+1 mm
Aug	39.0 °C	+2.9 °C	12 mm	+5 mm
Sep	34.0 °C	+2.4 °C	10 mm	-3 mm
Oct	30.7 °C	+4.1 °C	4 mm	-26 mm
Nov	23.1 °C	+2.0 °C	45 mm	-6 mm
Dec	14.9 °C	-2.3 °C	139 mm	+84 mm

The year's extremes

Hottest day

43.9 °C

16 Aug 2025

Coldest day

1.7 °C

16 Jan 2025

Wettest day

30.9 mm

13 Apr 2025

Windiest day

27.9 km/h

14 Mar 2025

Strongest gust

63.4 km/h

13 Mar 2025

Hottest feels-like

44.0 °C

6 Aug 2025

Coldest feels-like

-1.5 °C

16 Jan 2025

Sunniest day

13.3 h

31 May 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 Oued Zem?

Oued Zem has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 18.9 °C and it receives 393 mm of precipitation per year.

What is the hottest day ever recorded in Oued Zem?

The hottest day measured in Oued Zem between 1940 and 2025 was 23 July 2024, reaching 46.2 °C.

What is the coldest day in Oued Zem?

The coldest day measured in Oued Zem between 1940 and 2025 was 28 January 2005, at -3.8 °C.

Does it snow in Oued Zem?

Almost never: Oued Zem sees virtually no snow, with about 1 frost days per year.

Has the climate of Oued Zem warmed?

Yes: Oued Zem warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Oued Zem?

The wettest day measured in Oued Zem between 1940 and 2025 was 18 December 1963, with 60 mm of rain in 24 hours.

What was the windiest day in Oued Zem?

The windiest day measured in Oued Zem between 1940 and 2025 was 15 December 1975, with winds reaching 46.3 km/h.

What is the warmest month in Oued Zem?

The warmest month in Oued Zem is July (28.7 °C on average); the coldest is January (10.3 °C).

How much does it rain in Oued Zem?

Oued Zem receives on average 393 mm of precipitation per year, spread over about 62 rainy days.

Is it sunny in Oued Zem?

Oued Zem gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.

What is the biggest single-day snowfall in Oued Zem?

The heaviest 24-hour snowfall measured in Oued Zem between 1940 and 2025 was 22 December 1979, with 3.0 cm.

Are there tropical nights in Oued Zem?

Yes: Oued Zem has on average 64 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Oued Zem?

In Oued Zem, between 1940 and 2025, the highest apparent temperature reached 46.2 °C on 23 July 1995, and the lowest was -8.4 °C on 28 January 2005.

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