Sīwah climate — normals and trends

Q: What is the climate of Sīwah?

Sīwah has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 21.3 °C and it receives 12 mm of precipitation per year.

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

The hottest day measured in Sīwah between 1940 and 2025 was 1 July 1995, reaching 46.6 °C.

Q: What is the coldest day in Sīwah?

The coldest day measured in Sīwah between 1940 and 2025 was 10 January 1945, at -3.3 °C.

Q: Does it snow in Sīwah?

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

Q: Has the climate of Sīwah warmed?

Yes: Sīwah warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Sīwah?

The wettest day measured in Sīwah between 1940 and 2025 was 22 November 1966, with 22 mm of rain in 24 hours.

Q: What was the windiest day in Sīwah?

The windiest day measured in Sīwah between 1940 and 2025 was 23 February 1981, with winds reaching 60.4 km/h.

Q: What is the warmest month in Sīwah?

The warmest month in Sīwah is July (29.6 °C on average); the coldest is January (11.6 °C).

Q: How much does it rain in Sīwah?

Sīwah receives on average 12 mm of precipitation per year, spread over about 3 rainy days.

Q: Is it sunny in Sīwah?

Sīwah gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.

Sīwah (Egypt) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 21.3 °C and it receives 12 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 (29.6 °C on average) and the coldest is January (11.6 °C). Rainfall peaks in January.

Sīwah averages 1 frost days, 165 hot days (≥ 30 °C) and 3 rainy days per year.

Sīwah has warmed by +2.5 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.

The number of frost days there went from about 3 to 0 per year over the period.

The hottest day of the period reached 46.6 °C (on 1 July 1995) and the coldest -3.3 °C (on 10 January 1945).

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

SīwahMatruh Governorate

coords: 29.20°, 25.52°
period: 1940–2025 · 86 yrs

BWhHot desertWarmest monthJulyColdest monthJanuaryWettest monthJanuaryDriest monthJune

Mean daily temperature

21.3°C

Average daily high

27.8°C

Average daily low

15.0°C

Annual rainfall

12mm

Sunshine / day

11.3h

Mean relative humidity

47%

Average peak wind

19.9km/h

Seasonal range

18.0°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

165 d/yr

Rainy days (≥ 1 mm)

3 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.3 °C

Average feels-like low

13.1 °C

Average peak gust

31.7 km/h

Tropical nights (≥ 20 °C)

111 d/yr

Solar radiation

22.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.5 °C

since 1940

+0.3 °C per decade · r² = 0.76 · 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

46.6 °C

1 July 1995

Coldest day

-3.3 °C

10 January 1945

Wettest day

22 mm

22 November 1966

Windiest day

60.4 km/h

23 February 1981

Strongest gust

86.0 km/h

23 February 1981

Hottest feels-like

46.0 °C

29 June 1995

Coldest feels-like

-7.6 °C

10 January 1945

Sunniest day

13.2 h

2 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	41.5 °C16 May 2025	4.8 °C25 February 2025	22.5 °C	4 mm	177	0
2024	44.0 °C21 May 2024	3.4 °C3 February 2024	23.2 °C	6 mm	175	0
2023	42.9 °C24 July 2023	3.2 °C8 February 2023	22.7 °C	11 mm	178	0
2022	42.4 °C7 April 2022	2.9 °C27 January 2022	22.0 °C	9 mm	163	0
2021	44.4 °C8 May 2021	3.3 °C24 January 2021	22.6 °C	12 mm	179	0
2020	41.3 °C7 August 2020	2.5 °C1 January 2020	21.9 °C	21 mm	168	0
2019	45.5 °C16 July 2019	0.4 °C18 January 2019	22.3 °C	7 mm	175	0
2018	43.4 °C21 May 2018	3.6 °C20 January 2018	23.1 °C	16 mm	194	0
2017	43.3 °C1 July 2017	0.5 °C11 January 2017	21.7 °C	6 mm	164	0
2016	45.5 °C3 June 2016	1.5 °C31 December 2016	22.7 °C	9 mm	189	0
2015	42.4 °C27 May 2015	-1.0 °C2 January 2015	22.1 °C	8 mm	178	2
2014	45.0 °C11 July 2014	4.3 °C30 December 2014	22.4 °C	4 mm	168	0
2013	43.9 °C29 May 2013	3.7 °C27 January 2013	22.2 °C	3 mm	174	0
2012	40.8 °C25 July 2012	1.0 °C8 February 2012	22.2 °C	5 mm	197	0
2011	44.1 °C24 July 2011	4.1 °C6 January 2011	21.6 °C	22 mm	156	0
2010	46.0 °C21 June 2010	2.4 °C19 December 2010	23.2 °C	0 mm	192	0
2009	41.4 °C5 June 2009	2.7 °C3 January 2009	22.3 °C	2 mm	168	0
2008	42.4 °C8 June 2008	1.2 °C19 January 2008	22.6 °C	2 mm	176	0
2007	43.7 °C29 June 2007	3.7 °C7 February 2007	22.2 °C	7 mm	181	0
2006	41.9 °C11 August 2006	3.3 °C16 January 2006	22.0 °C	9 mm	172	0
2005	40.7 °C26 July 2005	2.7 °C21 January 2005	22.0 °C	14 mm	172	0
2004	42.2 °C9 May 2004	2.9 °C1 January 2004	22.0 °C	2 mm	172	0
2003	41.7 °C28 May 2003	2.9 °C25 December 2003	22.0 °C	2 mm	178	0
2002	45.4 °C29 July 2002	1.0 °C4 January 2002	22.2 °C	4 mm	163	0
2001	41.4 °C26 May 2001	2.9 °C21 December 2001	22.1 °C	4 mm	173	0
2000	41.6 °C12 April 2000	3.4 °C1 January 2000	21.4 °C	11 mm	169	0
1999	42.3 °C14 August 1999	3.3 °C14 January 1999	22.2 °C	24 mm	177	0
1998	44.1 °C4 July 1998	2.9 °C25 January 1998	21.9 °C	4 mm	175	0
1997	43.7 °C24 June 1997	3.7 °C6 February 1997	21.5 °C	9 mm	161	0
1996	45.1 °C11 May 1996	2.5 °C19 January 1996	21.9 °C	10 mm	168	0
1995	46.6 °C1 July 1995	1.5 °C17 January 1995	22.0 °C	8 mm	157	0
1994	42.1 °C19 April 1994	2.9 °C1 February 1994	21.8 °C	16 mm	175	0
1993	41.7 °C15 June 1993	3.9 °C3 February 1993	21.7 °C	26 mm	179	0
1992	41.9 °C11 July 1992	2.3 °C11 February 1992	20.9 °C	6 mm	158	0
1991	41.8 °C21 June 1991	3.4 °C22 January 1991	21.6 °C	30 mm	172	0
1990	41.9 °C14 June 1990	2.7 °C15 December 1990	21.7 °C	11 mm	161	0
1989	42.8 °C6 June 1989	2.9 °C5 January 1989	21.7 °C	2 mm	174	0
1988	44.7 °C20 June 1988	2.7 °C12 December 1988	21.8 °C	42 mm	158	0
1987	41.9 °C28 July 1987	1.8 °C11 January 1987	21.1 °C	12 mm	153	0
1986	43.0 °C7 June 1986	4.2 °C30 December 1986	21.6 °C	8 mm	144	0
1985	42.9 °C18 June 1985	1.3 °C1 January 1985	21.5 °C	41 mm	154	0
1984	42.0 °C15 August 1984	0.6 °C9 January 1984	21.1 °C	10 mm	166	0
1983	40.5 °C23 June 1983	1.4 °C3 January 1983	20.8 °C	9 mm	158	0
1982	41.7 °C26 June 1982	-0.5 °C28 December 1982	20.8 °C	11 mm	163	1
1981	42.5 °C23 April 1981	-0.2 °C12 January 1981	21.2 °C	3 mm	176	1
1980	41.1 °C31 May 1980	0.3 °C6 January 1980	20.9 °C	10 mm	161	0
1979	44.1 °C23 June 1979	0.4 °C7 January 1979	21.3 °C	5 mm	171	0
1978	44.5 °C29 May 1978	1.0 °C12 January 1978	20.9 °C	3 mm	160	0
1977	43.4 °C31 May 1977	1.7 °C19 December 1977	20.8 °C	2 mm	155	0
1976	39.4 °C7 May 1976	-0.5 °C30 January 1976	20.6 °C	10 mm	161	1
1975	40.1 °C2 June 1975	1.7 °C15 January 1975	20.6 °C	5 mm	149	0
1974	39.6 °C18 June 1974	1.1 °C25 January 1974	21.0 °C	10 mm	169	0
1973	42.6 °C10 June 1973	-0.8 °C18 January 1973	20.8 °C	7 mm	163	1
1972	43.1 °C19 June 1972	1.6 °C9 February 1972	21.3 °C	32 mm	164	0
1971	41.5 °C18 June 1971	2.6 °C9 February 1971	20.9 °C	16 mm	153	0
1970	43.2 °C20 May 1970	2.4 °C16 December 1970	20.9 °C	9 mm	160	0
1969	45.1 °C15 June 1969	-0.2 °C5 January 1969	21.4 °C	36 mm	164	1
1968	43.5 °C13 August 1968	1.9 °C7 January 1968	21.1 °C	8 mm	157	0
1967	42.8 °C19 June 1967	0.1 °C9 January 1967	20.7 °C	16 mm	155	0
1966	41.3 °C1 June 1966	1.0 °C10 January 1966	21.5 °C	72 mm	167	0
1965	42.6 °C9 June 1965	1.9 °C9 February 1965	20.7 °C	6 mm	154	0
1964	39.8 °C28 May 1964	1.5 °C7 December 1964	20.9 °C	6 mm	148	0
1963	42.4 °C17 June 1963	-0.5 °C28 January 1963	21.6 °C	10 mm	172	1
1962	42.2 °C6 June 1962	2.2 °C10 February 1962	21.6 °C	8 mm	171	0
1961	46.1 °C31 May 1961	2.1 °C25 December 1961	20.6 °C	9 mm	141	0
1960	44.2 °C5 July 1960	2.8 °C16 January 1960	21.9 °C	8 mm	180	0
1959	41.7 °C31 May 1959	0.8 °C24 January 1959	20.5 °C	10 mm	152	0
1958	41.8 °C26 August 1958	1.3 °C27 December 1958	21.4 °C	5 mm	161	0
1957	40.5 °C27 May 1957	1.9 °C10 December 1957	21.1 °C	26 mm	171	0
1956	42.9 °C23 July 1956	0.2 °C1 February 1956	20.7 °C	13 mm	140	0
1955	44.7 °C29 July 1955	2.0 °C31 December 1955	20.8 °C	7 mm	161	0
1954	42.6 °C19 May 1954	-3.2 °C3 January 1954	19.7 °C	15 mm	147	9
1953	41.3 °C5 July 1953	-2.0 °C13 January 1953	20.0 °C	15 mm	159	4
1952	40.8 °C22 June 1952	-1.1 °C20 December 1952	20.3 °C	4 mm	166	4
1951	40.6 °C9 May 1951	0.7 °C2 February 1951	20.7 °C	8 mm	170	0
1950	39.9 °C11 August 1950	-1.8 °C8 February 1950	20.0 °C	4 mm	154	4
1949	40.9 °C8 May 1949	-0.5 °C17 February 1949	19.6 °C	13 mm	158	3
1948	40.1 °C14 June 1948	0.1 °C1 January 1948	19.7 °C	10 mm	141	0
1947	40.4 °C2 September 1947	-1.2 °C1 January 1947	20.9 °C	3 mm	152	1
1946	41.5 °C1 June 1946	-1.2 °C14 January 1946	20.5 °C	2 mm	159	2
1945	42.9 °C15 August 1945	-3.3 °C10 January 1945	19.7 °C	8 mm	151	10
1944	43.5 °C12 June 1944	-0.4 °C10 February 1944	20.0 °C	8 mm	142	1
1943	40.7 °C24 July 1943	0.6 °C2 February 1943	19.8 °C	26 mm	143	0
1942	40.4 °C5 May 1942	-1.7 °C6 January 1942	20.2 °C	38 mm	165	5
1941	43.0 °C8 August 1941	-2.1 °C3 January 1941	20.8 °C	3 mm	153	5
1940	44.1 °C26 June 1940	-1.8 °C22 December 1940	20.1 °C	7 mm	159	7

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

28.7 °C

+0.9 °C

Hot days (≥ 30 °C)

177 d/yr

+12

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

4 mm

-8 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	20.4 °C	+2.7 °C	0 mm	-2 mm
Feb	18.9 °C	-0.7 °C	1 mm	-1 mm
Mar	25.8 °C	+2.6 °C	3 mm	+1 mm
Apr	28.3 °C	+0.2 °C	0 mm	-1 mm
May	32.6 °C	+0.3 °C	0 mm	-0 mm
Jun	35.3 °C	-0.2 °C	0 mm	0 mm
Jul	37.5 °C	+1.2 °C	0 mm	0 mm
Aug	36.5 °C	+0.6 °C	0 mm	0 mm
Sep	33.7 °C	+0.4 °C	0 mm	0 mm
Oct	29.6 °C	+0.7 °C	0 mm	-1 mm
Nov	24.8 °C	+1.3 °C	0 mm	-2 mm
Dec	20.3 °C	+1.5 °C	0 mm	-2 mm

The year's extremes

Hottest day

41.5 °C

16 May 2025

Coldest day

4.8 °C

25 Feb 2025

Wettest day

2.1 mm

5 Mar 2025

Windiest day

51.6 km/h

29 Apr 2025

Strongest gust

73.1 km/h

29 Apr 2025

Hottest feels-like

42.3 °C

24 Jul 2025

Coldest feels-like

0.9 °C

25 Feb 2025

Sunniest day

13.2 h

3 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 Sīwah?

Sīwah has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 21.3 °C and it receives 12 mm of precipitation per year.

What is the hottest day ever recorded in Sīwah?

The hottest day measured in Sīwah between 1940 and 2025 was 1 July 1995, reaching 46.6 °C.

What is the coldest day in Sīwah?

The coldest day measured in Sīwah between 1940 and 2025 was 10 January 1945, at -3.3 °C.

Does it snow in Sīwah?

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

Has the climate of Sīwah warmed?

Yes: Sīwah warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Sīwah?

The wettest day measured in Sīwah between 1940 and 2025 was 22 November 1966, with 22 mm of rain in 24 hours.

What was the windiest day in Sīwah?

The windiest day measured in Sīwah between 1940 and 2025 was 23 February 1981, with winds reaching 60.4 km/h.

What is the warmest month in Sīwah?

The warmest month in Sīwah is July (29.6 °C on average); the coldest is January (11.6 °C).

How much does it rain in Sīwah?

Sīwah receives on average 12 mm of precipitation per year, spread over about 3 rainy days.

Is it sunny in Sīwah?

Sīwah gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.

Are there tropical nights in Sīwah?

Yes: Sīwah has on average 111 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Sīwah?

In Sīwah, between 1940 and 2025, the highest apparent temperature reached 46.0 °C on 29 June 1995, and the lowest was -7.6 °C on 10 January 1945.

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