Zaïo climate — normals and trends

Q: What is the climate of Zaïo?

Zaïo has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 323 mm of precipitation per year.

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

The hottest day measured in Zaïo between 1940 and 2025 was 13 July 1946, reaching 43.6 °C.

Q: What is the coldest day in Zaïo?

The coldest day measured in Zaïo between 1940 and 2025 was 11 January 1954, at -2.7 °C.

Q: Does it snow in Zaïo?

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

Q: Has the climate of Zaïo warmed?

Yes: Zaïo warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Zaïo?

The wettest day measured in Zaïo between 1940 and 2025 was 10 May 1968, with 117 mm of rain in 24 hours.

Q: What was the windiest day in Zaïo?

The windiest day measured in Zaïo between 1940 and 2025 was 28 January 1951, with winds reaching 44.7 km/h.

Q: What is the warmest month in Zaïo?

The warmest month in Zaïo is August (25.8 °C on average); the coldest is January (11.1 °C).

Q: How much does it rain in Zaïo?

Zaïo receives on average 323 mm of precipitation per year, spread over about 55 rainy days.

Q: Is it sunny in Zaïo?

Zaïo gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.

Zaïo (Morocco) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 323 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 (25.8 °C on average) and the coldest is January (11.1 °C). Rainfall peaks in April.

Zaïo averages 1 frost days, 61 hot days (≥ 30 °C) and 55 rainy days per year.

Zaïo has warmed by +2.1 °C between 1940 and 2025, or +0.24 °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 43.6 °C (on 13 July 1946) and the coldest -2.7 °C (on 11 January 1954).

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

ZaïoOriental

coords: 34.94°, -2.73°
period: 1940–2025 · 86 yrs

BSkCold semi-aridWarmest monthAugustColdest monthJanuaryWettest monthAprilDriest monthJuly

Mean daily temperature

18.0°C

Average daily high

23.6°C

Average daily low

13.1°C

Annual rainfall

323mm

Sunshine / day

11.0h

Mean relative humidity

72%

Average peak wind

16.0km/h

Seasonal range

14.7°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

61 d/yr

Rainy days (≥ 1 mm)

55 d/yr

Annual snowfall

0.1 cm

Average feels-like high

23.7 °C

Average feels-like low

12.8 °C

Average peak gust

37.3 km/h

Tropical nights (≥ 20 °C)

48 d/yr

Solar radiation

18.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.1 °C

since 1940

+0.2 °C per decade · r² = 0.65 · 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

43.6 °C

13 July 1946

Coldest day

-2.7 °C

11 January 1954

Wettest day

117 mm

10 May 1968

Windiest day

44.7 km/h

28 January 1951

Strongest gust

107.3 km/h

28 January 1951

Hottest feels-like

45.4 °C

17 July 1978

Coldest feels-like

-6.1 °C

11 January 1954

Snowiest day

3.7 cm

22 January 1952

Sunniest day

14.0 h

2 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	41.6 °C18 August 2025	3.7 °C14 January 2025	19.6 °C	312 mm	90	0
2024	38.8 °C20 July 2024	3.0 °C8 January 2024	19.9 °C	166 mm	85	0
2023	41.0 °C26 August 2023	1.6 °C1 February 2023	19.9 °C	163 mm	93	0
2022	41.8 °C12 September 2022	2.1 °C17 January 2022	19.6 °C	242 mm	102	0
2021	40.6 °C11 July 2021	2.4 °C4 January 2021	19.2 °C	265 mm	85	0
2020	40.7 °C2 August 2020	2.3 °C13 January 2020	19.2 °C	260 mm	86	0
2019	36.3 °C7 August 2019	-0.3 °C13 January 2019	18.9 °C	273 mm	78	1
2018	38.0 °C25 August 2018	3.5 °C25 December 2018	18.7 °C	364 mm	79	0
2017	39.2 °C8 August 2017	1.2 °C16 January 2017	18.9 °C	201 mm	77	0
2016	40.3 °C5 September 2016	3.0 °C31 December 2016	19.3 °C	268 mm	73	0
2015	39.5 °C8 July 2015	1.3 °C1 January 2015	19.3 °C	278 mm	90	0
2014	39.0 °C6 June 2014	1.0 °C31 December 2014	19.4 °C	262 mm	97	0
2013	35.4 °C7 August 2013	1.2 °C8 February 2013	18.4 °C	308 mm	66	0
2012	41.2 °C11 August 2012	-1.5 °C14 February 2012	18.3 °C	340 mm	80	1
2011	37.8 °C2 July 2011	1.5 °C4 February 2011	18.9 °C	322 mm	80	0
2010	39.4 °C27 August 2010	0.3 °C17 December 2010	19.0 °C	459 mm	70	0
2009	39.5 °C21 July 2009	2.5 °C10 January 2009	19.0 °C	256 mm	89	0
2008	37.2 °C7 August 2008	2.0 °C7 March 2008	18.4 °C	425 mm	77	0
2007	37.1 °C4 July 2007	1.9 °C27 January 2007	18.3 °C	467 mm	59	0
2006	38.6 °C1 August 2006	3.0 °C4 January 2006	19.0 °C	270 mm	90	0
2005	39.4 °C7 August 2005	-1.9 °C28 January 2005	18.2 °C	218 mm	83	6
2004	37.6 °C25 July 2004	1.1 °C3 March 2004	18.6 °C	309 mm	92	0
2003	37.5 °C27 July 2003	-0.3 °C25 December 2003	18.8 °C	394 mm	86	2
2002	36.0 °C4 July 2002	3.2 °C18 January 2002	18.5 °C	311 mm	62	0
2001	37.1 °C23 July 2001	2.3 °C21 January 2001	18.8 °C	286 mm	75	0
2000	35.4 °C3 August 2000	0.5 °C3 January 2000	18.1 °C	206 mm	43	0
1999	36.9 °C3 July 1999	1.0 °C4 February 1999	18.3 °C	351 mm	53	0
1998	35.0 °C14 July 1998	1.7 °C1 December 1998	18.3 °C	205 mm	54	0
1997	32.5 °C26 July 1997	4.8 °C12 March 1997	18.8 °C	307 mm	25	0
1996	34.6 °C11 August 1996	-0.1 °C23 February 1996	18.1 °C	408 mm	35	1
1995	35.3 °C22 July 1995	-0.5 °C15 January 1995	18.4 °C	361 mm	42	2
1994	41.2 °C5 July 1994	0.7 °C25 December 1994	18.4 °C	274 mm	59	0
1993	38.3 °C25 July 1993	-0.7 °C9 January 1993	17.5 °C	335 mm	40	1
1992	36.9 °C19 August 1992	0.4 °C25 January 1992	17.5 °C	293 mm	42	0
1991	38.1 °C14 July 1991	-0.3 °C28 December 1991	17.4 °C	287 mm	53	1
1990	37.4 °C29 September 1990	3.6 °C23 January 1990	18.4 °C	300 mm	56	0
1989	37.5 °C2 July 1989	1.0 °C2 January 1989	18.6 °C	273 mm	53	0
1988	39.1 °C28 August 1988	2.1 °C9 December 1988	18.0 °C	244 mm	43	0
1987	36.4 °C25 September 1987	0.4 °C20 January 1987	18.3 °C	225 mm	38	0
1986	38.8 °C22 August 1986	0.7 °C12 December 1986	17.5 °C	331 mm	43	0
1985	34.9 °C5 August 1985	-0.7 °C1 January 1985	18.0 °C	338 mm	53	1
1984	37.4 °C25 July 1984	-0.5 °C12 February 1984	17.4 °C	242 mm	38	1
1983	38.5 °C13 June 1983	1.1 °C3 January 1983	18.1 °C	158 mm	41	0
1982	39.1 °C27 July 1982	0.7 °C29 January 1982	17.7 °C	270 mm	34	0
1981	34.5 °C18 July 1981	-0.3 °C2 February 1981	17.5 °C	249 mm	33	1
1980	38.7 °C23 August 1980	-0.6 °C3 December 1980	17.8 °C	326 mm	63	1
1979	39.6 °C30 July 1979	1.0 °C3 March 1979	17.6 °C	232 mm	33	0
1978	43.2 °C17 July 1978	0.2 °C15 January 1978	17.9 °C	251 mm	52	0
1977	32.9 °C12 May 1977	4.3 °C14 January 1977	17.6 °C	347 mm	17	0
1976	39.3 °C9 August 1976	0.3 °C28 January 1976	17.3 °C	503 mm	47	0
1975	39.0 °C16 July 1975	0.4 °C8 January 1975	17.4 °C	413 mm	61	0
1974	39.7 °C7 August 1974	2.2 °C24 January 1974	17.2 °C	336 mm	64	0
1973	37.1 °C15 August 1973	-1.1 °C24 January 1973	17.3 °C	501 mm	58	1
1972	37.2 °C24 July 1972	2.2 °C23 January 1972	17.4 °C	428 mm	42	0
1971	38.8 °C31 July 1971	2.0 °C8 February 1971	17.5 °C	529 mm	55	0
1970	38.7 °C2 July 1970	2.2 °C18 February 1970	17.8 °C	290 mm	55	0
1969	35.4 °C1 August 1969	0.9 °C4 January 1969	17.5 °C	670 mm	34	0
1968	35.1 °C14 August 1968	1.4 °C12 January 1968	17.7 °C	587 mm	59	0
1967	40.0 °C21 July 1967	-0.1 °C15 December 1967	17.7 °C	500 mm	58	1
1966	35.7 °C5 August 1966	0.3 °C26 December 1966	17.7 °C	219 mm	52	0
1965	35.5 °C22 June 1965	-0.8 °C12 February 1965	17.6 °C	395 mm	45	1
1964	38.5 °C2 September 1964	-1.3 °C11 February 1964	17.4 °C	306 mm	69	2
1963	36.4 °C9 July 1963	0.4 °C3 February 1963	17.2 °C	513 mm	40	0
1962	37.6 °C21 August 1962	1.1 °C17 February 1962	17.4 °C	488 mm	65	0
1961	36.8 °C11 July 1961	1.8 °C6 January 1961	18.0 °C	190 mm	46	0
1960	36.5 °C22 June 1960	2.0 °C1 February 1960	17.7 °C	296 mm	46	0
1959	36.7 °C13 July 1959	1.3 °C6 January 1959	17.3 °C	276 mm	35	0
1958	38.1 °C17 August 1958	2.9 °C4 March 1958	17.5 °C	289 mm	37	0
1957	36.3 °C10 July 1957	0.6 °C19 December 1957	17.1 °C	439 mm	47	0
1956	36.4 °C25 August 1956	-0.9 °C14 February 1956	16.5 °C	345 mm	54	4
1955	41.3 °C31 August 1955	0.5 °C11 March 1955	18.4 °C	344 mm	75	0
1954	37.6 °C20 August 1954	-2.7 °C11 January 1954	16.9 °C	455 mm	45	6
1953	39.2 °C9 August 1953	-1.4 °C11 January 1953	17.5 °C	281 mm	74	6
1952	37.0 °C17 August 1952	-1.8 °C7 February 1952	17.7 °C	264 mm	54	1
1951	36.2 °C22 July 1951	0.9 °C27 February 1951	17.1 °C	279 mm	48	0
1950	37.9 °C17 July 1950	0.7 °C4 March 1950	17.6 °C	388 mm	68	0
1949	39.8 °C2 August 1949	0.7 °C6 February 1949	17.8 °C	366 mm	78	0
1948	39.1 °C29 June 1948	3.5 °C14 January 1948	17.7 °C	293 mm	64	0
1947	38.3 °C5 August 1947	1.6 °C21 December 1947	18.2 °C	364 mm	78	0
1946	43.6 °C13 July 1946	1.7 °C18 February 1946	17.5 °C	257 mm	73	0
1945	41.9 °C3 September 1945	-1.2 °C3 January 1945	18.1 °C	129 mm	77	1
1944	37.1 °C1 August 1944	0.1 °C21 February 1944	16.8 °C	182 mm	48	0
1943	36.7 °C1 September 1943	1.1 °C21 November 1943	17.2 °C	429 mm	92	0
1942	41.2 °C18 July 1942	1.8 °C15 February 1942	17.9 °C	473 mm	82	0
1941	41.7 °C20 July 1941	-2.3 °C5 January 1941	17.4 °C	217 mm	80	4
1940	40.0 °C22 August 1940	-2.1 °C29 December 1940	17.1 °C	270 mm	70	4

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

25.2 °C

+1.6 °C

Hot days (≥ 30 °C)

90 d/yr

+29

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

312 mm

-11 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	19.7 °C	+2.8 °C	27 mm	-6 mm
Feb	19.6 °C	+1.6 °C	42 mm	+6 mm
Mar	21.2 °C	+1.5 °C	61 mm	+16 mm
Apr	22.7 °C	+1.3 °C	55 mm	+9 mm
May	27.0 °C	+2.6 °C	15 mm	-16 mm
Jun	31.4 °C	+3.4 °C	0 mm	-10 mm
Jul	31.9 °C	+0.7 °C	2 mm	-0 mm
Aug	32.5 °C	+1.0 °C	0 mm	-3 mm
Sep	29.4 °C	+0.6 °C	5 mm	-11 mm
Oct	27.1 °C	+2.0 °C	8 mm	-23 mm
Nov	22.3 °C	+1.4 °C	18 mm	-16 mm
Dec	17.6 °C	-0.1 °C	79 mm	+44 mm

The year's extremes

Hottest day

41.6 °C

18 Aug 2025

Coldest day

3.7 °C

14 Jan 2025

Wettest day

26.6 mm

13 Apr 2025

Windiest day

35.6 km/h

3 Dec 2025

Strongest gust

76.3 km/h

3 Dec 2025

Hottest feels-like

44.1 °C

18 Aug 2025

Coldest feels-like

1.0 °C

14 Jan 2025

Sunniest day

14.0 h

1 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 Zaïo?

Zaïo has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 323 mm of precipitation per year.

What is the hottest day ever recorded in Zaïo?

The hottest day measured in Zaïo between 1940 and 2025 was 13 July 1946, reaching 43.6 °C.

What is the coldest day in Zaïo?

The coldest day measured in Zaïo between 1940 and 2025 was 11 January 1954, at -2.7 °C.

Does it snow in Zaïo?

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

Has the climate of Zaïo warmed?

Yes: Zaïo warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Zaïo?

The wettest day measured in Zaïo between 1940 and 2025 was 10 May 1968, with 117 mm of rain in 24 hours.

What was the windiest day in Zaïo?

The windiest day measured in Zaïo between 1940 and 2025 was 28 January 1951, with winds reaching 44.7 km/h.

What is the warmest month in Zaïo?

The warmest month in Zaïo is August (25.8 °C on average); the coldest is January (11.1 °C).

How much does it rain in Zaïo?

Zaïo receives on average 323 mm of precipitation per year, spread over about 55 rainy days.

Is it sunny in Zaïo?

Zaïo gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.

What is the biggest single-day snowfall in Zaïo?

The heaviest 24-hour snowfall measured in Zaïo between 1940 and 2025 was 22 January 1952, with 3.7 cm.

Are there tropical nights in Zaïo?

Yes: Zaïo has on average 48 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Zaïo?

In Zaïo, between 1940 and 2025, the highest apparent temperature reached 45.4 °C on 17 July 1978, and the lowest was -6.1 °C on 11 January 1954.

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