as-Samu climate — normals and trends

Q: What is the climate of as-Samu?

as-Samu has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 18.8 °C and it receives 197 mm of precipitation per year.

Q: What is the hottest day ever recorded in as-Samu?

The hottest day measured in as-Samu between 1940 and 2025 was 7 June 1961, reaching 43.1 °C.

Q: What is the coldest day in as-Samu?

The coldest day measured in as-Samu between 1940 and 2025 was 7 February 1950, at -6.8 °C.

Q: Does it snow in as-Samu?

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

Q: Has the climate of as-Samu warmed?

Yes: as-Samu warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in as-Samu?

The wettest day measured in as-Samu between 1940 and 2025 was 22 March 1991, with 39 mm of rain in 24 hours.

Q: What was the windiest day in as-Samu?

The windiest day measured in as-Samu between 1940 and 2025 was 29 February 2012, with winds reaching 46.6 km/h.

Q: What is the warmest month in as-Samu?

The warmest month in as-Samu is August (26.0 °C on average); the coldest is January (10.4 °C).

Q: How much does it rain in as-Samu?

as-Samu receives on average 197 mm of precipitation per year, spread over about 40 rainy days.

Q: Is it sunny in as-Samu?

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

as-Samu (Palestine) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 18.8 °C and it receives 197 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 (26.0 °C on average) and the coldest is January (10.4 °C). Rainfall peaks in January.

as-Samu averages 0 frost days, 113 hot days (≥ 30 °C) and 40 rainy days per year.

as-Samu has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The hottest day of the period reached 43.1 °C (on 7 June 1961) and the coldest -6.8 °C (on 7 February 1950).

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

as-SamuWest Bank

coords: 31.40°, 35.07°
period: 1940–2025 · 86 yrs

BShHot semi-aridWarmest monthAugustColdest monthJanuaryWettest monthJanuaryDriest monthJuly

Mean daily temperature

18.8°C

Average daily high

24.5°C

Average daily low

14.1°C

Annual rainfall

197mm

Sunshine / day

11.2h

Mean relative humidity

61%

Average peak wind

16.5km/h

Seasonal range

15.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

113 d/yr

Rainy days (≥ 1 mm)

40 d/yr

Annual snowfall

0.3 cm

Average feels-like high

24.1 °C

Average feels-like low

13.4 °C

Average peak gust

35.0 km/h

Tropical nights (≥ 20 °C)

63 d/yr

Solar radiation

20.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.46 · 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

43.1 °C

7 June 1961

Coldest day

-6.8 °C

7 February 1950

Wettest day

39 mm

22 March 1991

Windiest day

46.6 km/h

29 February 2012

Strongest gust

95.0 km/h

29 February 2012

Hottest feels-like

44.2 °C

13 August 2025

Coldest feels-like

-10.3 °C

7 February 1950

Snowiest day

4.5 cm

6 February 1950

Sunniest day

13.5 h

27 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.7 °C17 May 2025	0.2 °C25 February 2025	20.1 °C	195 mm	144	0
2024	39.5 °C15 June 2024	3.8 °C1 February 2024	20.2 °C	138 mm	131	0
2023	39.4 °C2 June 2023	4.3 °C14 February 2023	20.5 °C	222 mm	133	0
2022	37.2 °C28 August 2022	1.8 °C18 January 2022	19.7 °C	172 mm	140	0
2021	38.4 °C6 August 2021	3.8 °C18 February 2021	20.5 °C	119 mm	135	0
2020	40.4 °C4 September 2020	2.9 °C26 January 2020	20.1 °C	271 mm	143	0
2019	40.5 °C24 May 2019	4.3 °C12 January 2019	19.8 °C	240 mm	153	0
2018	39.8 °C25 July 2018	5.8 °C9 January 2018	20.5 °C	303 mm	138	0
2017	39.3 °C3 July 2017	2.3 °C3 February 2017	19.9 °C	97 mm	127	0
2016	38.9 °C15 May 2016	0.4 °C28 January 2016	20.1 °C	151 mm	141	0
2015	40.9 °C27 May 2015	0.5 °C10 January 2015	19.5 °C	242 mm	131	0
2014	38.3 °C28 June 2014	3.3 °C7 February 2014	19.7 °C	178 mm	108	0
2013	36.7 °C2 June 2013	0.3 °C15 December 2013	19.6 °C	192 mm	128	0
2012	39.1 °C18 July 2012	2.4 °C9 February 2012	19.8 °C	197 mm	149	0
2011	37.8 °C25 July 2011	4.2 °C7 December 2011	19.1 °C	172 mm	114	0
2010	39.4 °C19 August 2010	2.6 °C6 February 2010	21.3 °C	152 mm	150	0
2009	37.8 °C1 July 2009	2.3 °C2 January 2009	19.8 °C	146 mm	143	0
2008	38.7 °C24 April 2008	0.4 °C15 January 2008	19.7 °C	126 mm	139	0
2007	39.5 °C26 July 2007	3.7 °C31 December 2007	19.3 °C	152 mm	125	0
2006	37.4 °C29 September 2006	3.2 °C25 December 2006	18.9 °C	146 mm	129	0
2005	37.3 °C15 August 2005	2.1 °C9 February 2005	19.1 °C	133 mm	116	0
2004	38.8 °C14 July 2004	3.1 °C17 December 2004	19.2 °C	182 mm	118	0
2003	41.5 °C29 May 2003	3.8 °C25 February 2003	19.3 °C	194 mm	145	0
2002	40.0 °C9 June 2002	3.1 °C11 January 2002	19.4 °C	277 mm	124	0
2001	38.2 °C27 May 2001	3.7 °C27 January 2001	19.5 °C	142 mm	136	0
2000	39.7 °C29 July 2000	1.4 °C28 January 2000	19.0 °C	172 mm	128	0
1999	38.6 °C23 May 1999	4.6 °C21 February 1999	19.7 °C	76 mm	126	0
1998	38.6 °C9 September 1998	1.0 °C12 January 1998	19.7 °C	132 mm	128	0
1997	37.9 °C8 June 1997	1.1 °C6 February 1997	18.6 °C	226 mm	114	0
1996	39.2 °C6 September 1996	3.9 °C20 January 1996	19.2 °C	184 mm	118	0
1995	36.9 °C23 May 1995	4.0 °C21 January 1995	18.6 °C	115 mm	117	0
1994	37.8 °C20 April 1994	4.2 °C9 December 1994	19.0 °C	279 mm	126	0
1993	38.1 °C6 June 1993	-0.1 °C15 February 1993	18.5 °C	161 mm	114	1
1992	35.9 °C20 June 1992	0.4 °C26 January 1992	17.3 °C	279 mm	85	0
1991	35.8 °C15 May 1991	1.9 °C27 January 1991	18.4 °C	292 mm	99	0
1990	36.1 °C31 May 1990	1.5 °C20 February 1990	18.5 °C	180 mm	107	0
1989	37.0 °C14 June 1989	0.5 °C5 January 1989	18.4 °C	141 mm	127	0
1988	39.4 °C15 May 1988	3.2 °C20 January 1988	18.4 °C	254 mm	121	0
1987	37.7 °C7 August 1987	2.2 °C28 January 1987	18.3 °C	200 mm	111	0
1986	37.0 °C18 September 1986	2.8 °C21 January 1986	18.4 °C	229 mm	116	0
1985	38.3 °C3 June 1985	2.0 °C4 March 1985	18.6 °C	167 mm	116	0
1984	37.1 °C25 May 1984	2.3 °C8 December 1984	18.2 °C	145 mm	116	0
1983	38.2 °C11 July 1983	2.0 °C29 January 1983	17.5 °C	181 mm	86	0
1982	35.5 °C29 June 1982	0.8 °C17 January 1982	17.7 °C	192 mm	97	0
1981	36.4 °C27 July 1981	2.8 °C25 January 1981	18.3 °C	117 mm	121	0
1980	39.9 °C31 May 1980	2.4 °C2 February 1980	18.5 °C	235 mm	104	0
1979	38.3 °C2 April 1979	3.5 °C6 January 1979	19.1 °C	240 mm	105	0
1978	38.8 °C8 September 1978	3.0 °C16 January 1978	18.8 °C	139 mm	117	0
1977	38.0 °C24 August 1977	2.6 °C6 January 1977	18.5 °C	195 mm	111	0
1976	35.9 °C8 June 1976	-0.2 °C2 March 1976	18.3 °C	125 mm	94	1
1975	36.6 °C11 June 1975	2.2 °C12 February 1975	18.3 °C	206 mm	102	0
1974	36.0 °C11 September 1974	0.5 °C23 January 1974	18.4 °C	304 mm	106	0
1973	37.9 °C21 July 1973	1.5 °C1 January 1973	18.5 °C	151 mm	118	0
1972	36.7 °C19 June 1972	1.0 °C23 December 1972	18.0 °C	283 mm	97	0
1971	36.0 °C19 June 1971	1.3 °C17 December 1971	18.2 °C	372 mm	91	0
1970	41.7 °C21 May 1970	1.7 °C21 December 1970	18.5 °C	187 mm	94	0
1969	39.4 °C16 June 1969	2.8 °C29 January 1969	18.9 °C	284 mm	107	0
1968	39.0 °C18 May 1968	1.3 °C2 February 1968	18.6 °C	214 mm	92	0
1967	37.3 °C21 June 1967	2.4 °C22 January 1967	17.6 °C	290 mm	84	0
1966	39.1 °C3 June 1966	2.9 °C23 March 1966	19.1 °C	216 mm	94	0
1965	39.9 °C13 June 1965	4.4 °C13 March 1965	18.6 °C	208 mm	102	0
1964	37.6 °C30 May 1964	-0.5 °C19 January 1964	17.8 °C	203 mm	76	1
1963	39.4 °C7 June 1963	2.9 °C31 December 1963	19.3 °C	231 mm	116	0
1962	37.9 °C11 June 1962	2.9 °C22 February 1962	19.4 °C	96 mm	118	0
1961	43.1 °C7 June 1961	2.3 °C1 March 1961	18.0 °C	220 mm	94	0
1960	37.8 °C5 July 1960	2.7 °C24 January 1960	19.4 °C	149 mm	106	0
1959	38.4 °C10 June 1959	-1.8 °C28 February 1959	17.6 °C	150 mm	74	1
1958	37.0 °C14 June 1958	2.6 °C1 February 1958	18.8 °C	98 mm	83	0
1957	37.6 °C29 May 1957	-0.4 °C23 January 1957	18.4 °C	258 mm	91	2
1956	38.7 °C24 July 1956	2.7 °C31 March 1956	18.4 °C	199 mm	85	0
1955	36.0 °C12 June 1955	4.9 °C5 January 1955	18.9 °C	141 mm	86	0
1954	37.7 °C20 May 1954	1.2 °C14 January 1954	18.4 °C	208 mm	100	0
1953	36.7 °C16 June 1953	2.3 °C12 December 1953	17.6 °C	326 mm	92	0
1952	38.0 °C2 June 1952	3.8 °C22 January 1952	18.6 °C	169 mm	95	0
1951	35.1 °C12 August 1951	3.1 °C26 December 1951	18.6 °C	233 mm	99	0
1950	36.3 °C18 May 1950	-6.8 °C7 February 1950	18.1 °C	180 mm	105	7
1949	36.7 °C10 May 1949	0.6 °C20 February 1949	17.2 °C	346 mm	67	0
1948	35.8 °C4 July 1948	1.2 °C1 March 1948	17.5 °C	247 mm	95	0
1947	35.8 °C13 July 1947	5.3 °C20 January 1947	19.1 °C	170 mm	124	0
1946	37.3 °C25 May 1946	3.0 °C24 January 1946	18.7 °C	176 mm	120	0
1945	38.1 °C2 August 1945	2.6 °C1 February 1945	17.8 °C	222 mm	115	0
1944	40.8 °C14 June 1944	2.5 °C15 January 1944	18.4 °C	221 mm	120	0
1943	39.0 °C30 September 1943	1.4 °C7 March 1943	18.3 °C	181 mm	120	0
1942	40.9 °C6 May 1942	-2.0 °C5 January 1942	18.6 °C	178 mm	123	2
1941	38.9 °C10 May 1941	3.8 °C30 December 1941	19.0 °C	204 mm	120	0
1940	38.1 °C18 May 1940	2.9 °C16 January 1940	18.3 °C	187 mm	97	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

25.9 °C

+1.4 °C

Hot days (≥ 30 °C)

144 d/yr

+31

Frost days (< 0 °C)

0 d/yr

Annual rainfall

195 mm

-2 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	17.5 °C	+2.6 °C	14 mm	-27 mm
Feb	14.1 °C	-1.9 °C	29 mm	-7 mm
Mar	21.6 °C	+2.6 °C	31 mm	-3 mm
Apr	25.3 °C	+1.5 °C	4 mm	-9 mm
May	28.7 °C	+0.7 °C	8 mm	+3 mm
Jun	31.7 °C	+0.9 °C	0 mm	-1 mm
Jul	34.0 °C	+1.7 °C	0 mm	-0 mm
Aug	33.8 °C	+1.2 °C	1 mm	+0 mm
Sep	31.4 °C	+0.7 °C	0 mm	-1 mm
Oct	28.4 °C	+1.0 °C	1 mm	-10 mm
Nov	25.5 °C	+3.6 °C	30 mm	+9 mm
Dec	17.6 °C	+0.8 °C	77 mm	+44 mm

The year's extremes

Hottest day

39.7 °C

17 May 2025

Coldest day

0.2 °C

25 Feb 2025

Wettest day

18.2 mm

28 Dec 2025

Windiest day

35.5 km/h

6 Feb 2025

Strongest gust

69.1 km/h

6 Feb 2025

Hottest feels-like

44.2 °C

13 Aug 2025

Coldest feels-like

-3.2 °C

25 Feb 2025

Sunniest day

13.4 h

21 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 as-Samu?

as-Samu has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 18.8 °C and it receives 197 mm of precipitation per year.

What is the hottest day ever recorded in as-Samu?

The hottest day measured in as-Samu between 1940 and 2025 was 7 June 1961, reaching 43.1 °C.

What is the coldest day in as-Samu?

The coldest day measured in as-Samu between 1940 and 2025 was 7 February 1950, at -6.8 °C.

Does it snow in as-Samu?

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

Has the climate of as-Samu warmed?

Yes: as-Samu warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in as-Samu?

The wettest day measured in as-Samu between 1940 and 2025 was 22 March 1991, with 39 mm of rain in 24 hours.

What was the windiest day in as-Samu?

The windiest day measured in as-Samu between 1940 and 2025 was 29 February 2012, with winds reaching 46.6 km/h.

What is the warmest month in as-Samu?

The warmest month in as-Samu is August (26.0 °C on average); the coldest is January (10.4 °C).

How much does it rain in as-Samu?

as-Samu receives on average 197 mm of precipitation per year, spread over about 40 rainy days.

Is it sunny in as-Samu?

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

What is the biggest single-day snowfall in as-Samu?

The heaviest 24-hour snowfall measured in as-Samu between 1940 and 2025 was 6 February 1950, with 4.5 cm.

Are there tropical nights in as-Samu?

Yes: as-Samu has on average 63 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in as-Samu?

In as-Samu, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 13 August 2025, and the lowest was -10.3 °C on 7 February 1950.

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