Deroua climate — normals and trends

Q: What is the climate of Deroua?

Deroua has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 17.7 °C and it receives 349 mm of precipitation per year.

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

The hottest day measured in Deroua between 1940 and 2025 was 20 July 2009, reaching 45.0 °C.

Q: What is the coldest day in Deroua?

The coldest day measured in Deroua between 1940 and 2025 was 28 January 2005, at -2.8 °C.

Q: Does it snow in Deroua?

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

Q: Has the climate of Deroua warmed?

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

Q: What is the wettest day in Deroua?

The wettest day measured in Deroua between 1940 and 2025 was 8 November 1984, with 56 mm of rain in 24 hours.

Q: What was the windiest day in Deroua?

The windiest day measured in Deroua between 1940 and 2025 was 15 February 1941, with winds reaching 52.8 km/h.

Q: What is the warmest month in Deroua?

The warmest month in Deroua is August (23.8 °C on average); the coldest is January (11.6 °C).

Q: How much does it rain in Deroua?

Deroua receives on average 349 mm of precipitation per year, spread over about 56 rainy days.

Q: Is it sunny in Deroua?

Deroua gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.

Deroua (Morocco) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 17.7 °C and it receives 349 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 (23.8 °C on average) and the coldest is January (11.6 °C). Rainfall peaks in December.

Deroua averages 0 frost days, 47 hot days (≥ 30 °C) and 56 rainy days per year.

Deroua has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The hottest day of the period reached 45.0 °C (on 20 July 2009) and the coldest -2.8 °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

DerouaCasablanca-Settat

coords: 33.37°, -7.54°
period: 1940–2025 · 86 yrs

BSkCold semi-aridWarmest monthAugustColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

17.7°C

Average daily high

23.2°C

Average daily low

12.9°C

Annual rainfall

349mm

Sunshine / day

10.7h

Mean relative humidity

73%

Average peak wind

15.2km/h

Seasonal range

12.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

47 d/yr

Rainy days (≥ 1 mm)

56 d/yr

Annual snowfall

0.0 cm

Average feels-like high

23.2 °C

Average feels-like low

12.3 °C

Average peak gust

33.3 km/h

Tropical nights (≥ 20 °C)

21 d/yr

Solar radiation

19.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.34 · 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

45.0 °C

20 July 2009

Coldest day

-2.8 °C

28 January 2005

Wettest day

56 mm

8 November 1984

Windiest day

52.8 km/h

15 February 1941

Strongest gust

124.6 km/h

25 November 2002

Hottest feels-like

48.2 °C

20 July 2009

Coldest feels-like

-7.1 °C

28 January 2005

Sunniest day

13.6 h

28 June 1955

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	42.0 °C29 June 2025	2.3 °C15 January 2025	18.8 °C	395 mm	70	0
2024	39.9 °C24 July 2024	3.5 °C28 February 2024	19.0 °C	245 mm	60	0
2023	43.0 °C26 June 2023	1.5 °C26 January 2023	19.1 °C	219 mm	81	0
2022	38.5 °C9 July 2022	2.7 °C21 January 2022	19.1 °C	223 mm	76	0
2021	41.2 °C5 September 2021	1.3 °C13 January 2021	18.1 °C	283 mm	36	0
2020	42.4 °C7 July 2020	3.5 °C31 December 2020	18.8 °C	169 mm	65	0
2019	38.9 °C13 May 2019	1.4 °C8 January 2019	18.2 °C	137 mm	40	0
2018	39.5 °C2 August 2018	1.9 °C28 January 2018	17.6 °C	500 mm	41	0
2017	42.8 °C20 May 2017	1.8 °C16 January 2017	19.3 °C	169 mm	94	0
2016	39.1 °C19 July 2016	3.9 °C18 December 2016	18.8 °C	302 mm	77	0
2015	40.5 °C13 May 2015	1.6 °C6 February 2015	18.5 °C	228 mm	52	0
2014	39.2 °C14 May 2014	3.7 °C11 February 2014	18.2 °C	401 mm	40	0
2013	41.3 °C12 August 2013	2.1 °C31 December 2013	17.9 °C	261 mm	54	0
2012	42.6 °C17 July 2012	-0.8 °C5 February 2012	18.1 °C	281 mm	59	2
2011	41.6 °C25 June 2011	1.6 °C3 March 2011	18.5 °C	350 mm	67	0
2010	44.7 °C26 August 2010	3.1 °C9 January 2010	18.9 °C	542 mm	65	0
2009	45.0 °C20 July 2009	3.1 °C11 January 2009	18.7 °C	471 mm	70	0
2008	39.2 °C30 June 2008	1.9 °C3 December 2008	17.6 °C	349 mm	27	0
2007	38.5 °C30 July 2007	2.6 °C28 January 2007	17.8 °C	201 mm	35	0
2006	42.7 °C11 July 2006	1.2 °C31 January 2006	18.4 °C	263 mm	58	0
2005	40.8 °C20 July 2005	-2.8 °C28 January 2005	17.8 °C	207 mm	47	3
2004	42.0 °C24 July 2004	1.3 °C21 January 2004	18.0 °C	288 mm	51	0
2003	42.1 °C12 June 2003	0.8 °C15 January 2003	18.3 °C	411 mm	46	0
2002	34.9 °C22 June 2002	4.7 °C7 December 2002	18.0 °C	406 mm	22	0
2001	38.2 °C27 May 2001	3.6 °C16 November 2001	18.3 °C	205 mm	38	0
2000	43.3 °C31 July 2000	2.1 °C11 January 2000	18.0 °C	326 mm	53	0
1999	35.2 °C1 July 1999	0.8 °C18 December 1999	17.4 °C	267 mm	33	0
1998	41.0 °C18 June 1998	2.4 °C1 December 1998	18.1 °C	209 mm	49	0
1997	35.2 °C1 May 1997	4.3 °C28 December 1997	18.5 °C	407 mm	30	0
1996	37.8 °C22 July 1996	0.9 °C23 February 1996	17.8 °C	642 mm	44	0
1995	42.3 °C23 July 1995	1.5 °C9 January 1995	18.6 °C	277 mm	44	0
1994	37.8 °C5 July 1994	1.0 °C26 December 1994	17.6 °C	245 mm	45	0
1993	38.2 °C28 July 1993	2.8 °C16 January 1993	16.7 °C	269 mm	24	0
1992	38.4 °C15 September 1992	2.4 °C5 January 1992	17.4 °C	206 mm	38	0
1991	38.8 °C17 July 1991	0.9 °C14 January 1991	17.0 °C	389 mm	46	0
1990	40.2 °C3 August 1990	2.5 °C12 January 1990	17.9 °C	316 mm	41	0
1989	39.5 °C18 July 1989	2.3 °C2 January 1989	18.3 °C	414 mm	49	0
1988	43.1 °C1 August 1988	1.3 °C28 February 1988	17.6 °C	350 mm	54	0
1987	41.1 °C27 July 1987	2.7 °C17 January 1987	18.2 °C	378 mm	36	0
1986	36.8 °C22 August 1986	0.4 °C24 December 1986	17.1 °C	298 mm	42	0
1985	39.9 °C23 July 1985	-0.1 °C1 January 1985	17.7 °C	333 mm	36	1
1984	40.1 °C28 July 1984	1.4 °C11 January 1984	17.0 °C	287 mm	41	0
1983	36.8 °C12 June 1983	1.5 °C3 January 1983	18.0 °C	294 mm	40	0
1982	41.3 °C10 August 1982	2.7 °C30 December 1982	17.0 °C	386 mm	25	0
1981	37.9 °C9 September 1981	0.7 °C3 January 1981	17.7 °C	181 mm	42	0
1980	38.9 °C4 June 1980	-0.5 °C3 December 1980	17.7 °C	341 mm	54	1
1979	37.8 °C28 July 1979	2.7 °C31 March 1979	17.0 °C	373 mm	20	0
1978	38.9 °C22 July 1978	3.3 °C13 January 1978	17.3 °C	337 mm	44	0
1977	34.1 °C12 September 1977	2.2 °C8 January 1977	16.9 °C	454 mm	15	0
1976	39.6 °C14 August 1976	-1.5 °C28 January 1976	16.6 °C	552 mm	30	1
1975	40.2 °C29 July 1975	3.3 °C8 January 1975	16.6 °C	336 mm	33	0
1974	40.5 °C15 August 1974	2.5 °C4 March 1974	16.5 °C	398 mm	40	0
1973	37.1 °C14 August 1973	1.8 °C4 December 1973	16.9 °C	418 mm	26	0
1972	32.8 °C23 July 1972	0.9 °C24 January 1972	15.8 °C	514 mm	13	0
1971	39.3 °C29 July 1971	2.3 °C2 January 1971	16.6 °C	576 mm	31	0
1970	39.5 °C2 July 1970	1.6 °C17 February 1970	17.6 °C	444 mm	49	0
1969	38.9 °C12 July 1969	3.9 °C28 December 1969	17.4 °C	567 mm	39	0
1968	39.9 °C29 June 1968	1.8 °C13 January 1968	17.3 °C	492 mm	46	0
1967	42.7 °C19 July 1967	2.7 °C8 January 1967	17.0 °C	438 mm	35	0
1966	38.3 °C7 September 1966	2.7 °C7 March 1966	17.2 °C	275 mm	35	0
1965	40.5 °C5 August 1965	1.8 °C6 January 1965	17.2 °C	430 mm	30	0
1964	39.0 °C15 July 1964	1.6 °C10 February 1964	17.5 °C	362 mm	90	0
1963	38.6 °C27 September 1963	1.1 °C24 December 1963	17.3 °C	564 mm	43	0
1962	41.1 °C13 August 1962	2.2 °C4 February 1962	17.3 °C	528 mm	50	0
1961	41.6 °C28 August 1961	0.6 °C13 January 1961	18.1 °C	317 mm	53	0
1960	35.4 °C26 May 1960	1.3 °C18 January 1960	17.2 °C	527 mm	36	0
1959	38.9 °C17 August 1959	2.4 °C14 December 1959	16.9 °C	366 mm	20	0
1958	38.7 °C31 July 1958	2.7 °C16 January 1958	17.6 °C	248 mm	35	0
1957	39.6 °C1 August 1957	1.8 °C16 January 1957	17.1 °C	425 mm	43	0
1956	38.4 °C1 August 1956	-0.2 °C5 February 1956	16.6 °C	513 mm	48	1
1955	41.1 °C25 June 1955	4.0 °C25 January 1955	18.7 °C	444 mm	81	0
1954	42.7 °C18 August 1954	0.7 °C9 January 1954	17.1 °C	322 mm	66	0
1953	44.7 °C20 July 1953	-1.4 °C11 January 1953	17.7 °C	295 mm	71	1
1952	43.9 °C10 July 1952	-0.3 °C7 February 1952	17.2 °C	302 mm	45	1
1951	40.7 °C14 June 1951	2.9 °C1 January 1951	16.9 °C	420 mm	30	0
1950	39.4 °C28 June 1950	2.8 °C20 January 1950	17.5 °C	223 mm	36	0
1949	40.0 °C24 August 1949	2.8 °C16 January 1949	17.7 °C	337 mm	43	0
1948	41.8 °C27 June 1948	4.4 °C19 January 1948	17.8 °C	248 mm	51	0
1947	38.9 °C8 June 1947	1.4 °C21 December 1947	17.5 °C	451 mm	33	0
1946	44.4 °C11 July 1946	0.8 °C23 December 1946	17.1 °C	253 mm	51	0
1945	43.3 °C22 July 1945	-0.1 °C8 January 1945	18.2 °C	199 mm	47	1
1944	43.8 °C31 July 1944	0.7 °C21 February 1944	17.5 °C	236 mm	42	0
1943	41.5 °C16 August 1943	1.2 °C1 January 1943	17.9 °C	277 mm	84	0
1942	43.2 °C17 July 1942	1.4 °C31 December 1942	17.3 °C	507 mm	56	0
1941	44.8 °C20 July 1941	-0.2 °C7 January 1941	17.9 °C	311 mm	91	1
1940	40.9 °C11 August 1940	-0.6 °C24 January 1940	17.2 °C	424 mm	80	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

24.5 °C

+1.3 °C

Hot days (≥ 30 °C)

70 d/yr

+23

Frost days (< 0 °C)

0 d/yr

Annual rainfall

395 mm

+46 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	19.3 °C	+2.5 °C	27 mm	-19 mm
Feb	19.4 °C	+1.4 °C	25 mm	-23 mm
Mar	19.2 °C	-0.8 °C	101 mm	+52 mm
Apr	22.8 °C	+1.3 °C	48 mm	+10 mm
May	25.8 °C	+1.6 °C	9 mm	-10 mm
Jun	30.2 °C	+3.2 °C	4 mm	-1 mm
Jul	30.9 °C	+1.1 °C	0 mm	-0 mm
Aug	32.2 °C	+2.2 °C	0 mm	-1 mm
Sep	29.1 °C	+1.3 °C	2 mm	-9 mm
Oct	26.6 °C	+1.6 °C	1 mm	-30 mm
Nov	21.9 °C	+1.0 °C	39 mm	-10 mm
Dec	16.6 °C	-1.1 °C	139 mm	+86 mm

The year's extremes

Hottest day

42.0 °C

29 Jun 2025

Coldest day

2.3 °C

15 Jan 2025

Wettest day

34.7 mm

16 Dec 2025

Windiest day

32.4 km/h

17 Mar 2025

Strongest gust

74.2 km/h

8 Mar 2025

Hottest feels-like

44.1 °C

29 Jun 2025

Coldest feels-like

-1.5 °C

15 Jan 2025

Sunniest day

13.4 h

30 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 Deroua?

Deroua has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 17.7 °C and it receives 349 mm of precipitation per year.

What is the hottest day ever recorded in Deroua?

The hottest day measured in Deroua between 1940 and 2025 was 20 July 2009, reaching 45.0 °C.

What is the coldest day in Deroua?

The coldest day measured in Deroua between 1940 and 2025 was 28 January 2005, at -2.8 °C.

Does it snow in Deroua?

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

Has the climate of Deroua warmed?

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

What is the wettest day in Deroua?

The wettest day measured in Deroua between 1940 and 2025 was 8 November 1984, with 56 mm of rain in 24 hours.

What was the windiest day in Deroua?

The windiest day measured in Deroua between 1940 and 2025 was 15 February 1941, with winds reaching 52.8 km/h.

What is the warmest month in Deroua?

The warmest month in Deroua is August (23.8 °C on average); the coldest is January (11.6 °C).

How much does it rain in Deroua?

Deroua receives on average 349 mm of precipitation per year, spread over about 56 rainy days.

Is it sunny in Deroua?

Deroua gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.

Are there tropical nights in Deroua?

Yes: Deroua has on average 21 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Deroua?

In Deroua, between 1940 and 2025, the highest apparent temperature reached 48.2 °C on 20 July 2009, and the lowest was -7.1 °C on 28 January 2005.

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