Bisha climate — normals and trends

Q: What is the climate of Bisha?

Bisha has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 24.9 °C and it receives 44 mm of precipitation per year.

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

The hottest day measured in Bisha between 1940 and 2025 was 24 July 2017, reaching 43.5 °C.

Q: What is the coldest day in Bisha?

The coldest day measured in Bisha between 1940 and 2025 was 26 January 1957, at -1.3 °C.

Q: Does it snow in Bisha?

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

Q: Has the climate of Bisha warmed?

Yes: Bisha warmed by +3.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Bisha?

The wettest day measured in Bisha between 1940 and 2025 was 10 April 2002, with 48 mm of rain in 24 hours.

Q: What was the windiest day in Bisha?

The windiest day measured in Bisha between 1940 and 2025 was 11 March 1994, with winds reaching 48.6 km/h.

Q: What is the warmest month in Bisha?

The warmest month in Bisha is July (31.3 °C on average); the coldest is January (17.2 °C).

Q: How much does it rain in Bisha?

Bisha receives on average 44 mm of precipitation per year, spread over about 10 rainy days.

Q: Is it sunny in Bisha?

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

Bisha (Saudi Arabia) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 24.9 °C and it receives 44 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 (31.3 °C on average) and the coldest is January (17.2 °C). Rainfall peaks in April.

Bisha averages 0 frost days, 231 hot days (≥ 30 °C) and 10 rainy days per year.

Bisha has warmed by +3.6 °C between 1940 and 2025, or +0.43 °C per decade. This trend is statistically significant.

The hottest day of the period reached 43.5 °C (on 24 July 2017) and the coldest -1.3 °C (on 26 January 1957).

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

Bisha'Asir Region

coords: 20.00°, 42.61°
period: 1940–2025 · 86 yrs

BWhHot desertWarmest monthJulyColdest monthJanuaryWettest monthAprilDriest monthSeptember

Mean daily temperature

24.9°C

Average daily high

32.0°C

Average daily low

17.3°C

Annual rainfall

44mm

Sunshine / day

11.2h

Mean relative humidity

33%

Average peak wind

22.3km/h

Seasonal range

14.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

231 d/yr

Rainy days (≥ 1 mm)

10 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.9 °C

Average feels-like low

15.0 °C

Average peak gust

36.9 km/h

Tropical nights (≥ 20 °C)

135 d/yr

Solar radiation

23.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+3.6 °C

since 1940

+0.4 °C per decade · r² = 0.88 · 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

43.5 °C

24 July 2017

Coldest day

-1.3 °C

26 January 1957

Wettest day

48 mm

10 April 2002

Windiest day

48.6 km/h

11 March 1994

Strongest gust

78.8 km/h

11 March 1994

Hottest feels-like

42.3 °C

4 September 2015

Coldest feels-like

-5.4 °C

26 January 1957

Sunniest day

12.3 h

30 June 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	41.6 °C16 June 2025	5.1 °C19 December 2025	26.4 °C	14 mm	248	0
2024	42.8 °C24 June 2024	7.4 °C10 January 2024	27.1 °C	33 mm	261	0
2023	42.2 °C1 July 2023	5.6 °C19 December 2023	26.6 °C	43 mm	256	0
2022	42.3 °C22 July 2022	5.9 °C31 December 2022	26.6 °C	22 mm	268	0
2021	41.9 °C13 July 2021	6.2 °C13 January 2021	26.6 °C	18 mm	264	0
2020	41.7 °C19 June 2020	4.6 °C16 January 2020	26.2 °C	24 mm	252	0
2019	41.5 °C28 June 2019	7.0 °C20 February 2019	26.7 °C	32 mm	273	0
2018	42.2 °C5 July 2018	2.6 °C12 January 2018	26.4 °C	39 mm	259	0
2017	43.5 °C24 July 2017	4.7 °C12 December 2017	26.6 °C	69 mm	260	0
2016	42.4 °C23 July 2016	4.7 °C30 January 2016	26.4 °C	107 mm	254	0
2015	40.7 °C21 August 2015	5.0 °C25 January 2015	26.7 °C	39 mm	278	0
2014	41.4 °C17 August 2014	6.9 °C8 January 2014	26.3 °C	14 mm	253	0
2013	41.7 °C20 July 2013	5.4 °C17 January 2013	26.1 °C	23 mm	256	0
2012	42.1 °C16 July 2012	5.8 °C22 January 2012	26.2 °C	51 mm	256	0
2011	42.1 °C17 July 2011	5.8 °C6 December 2011	26.2 °C	31 mm	258	0
2010	42.5 °C20 July 2010	3.5 °C10 January 2010	26.4 °C	16 mm	250	0
2009	41.2 °C28 July 2009	5.3 °C16 January 2009	26.7 °C	30 mm	272	0
2008	41.2 °C26 May 2008	2.9 °C18 January 2008	26.0 °C	15 mm	243	0
2007	41.6 °C29 July 2007	4.0 °C4 January 2007	26.2 °C	18 mm	248	0
2006	41.4 °C29 July 2006	5.7 °C31 December 2006	26.1 °C	64 mm	257	0
2005	41.7 °C19 July 2005	2.5 °C1 January 2005	26.2 °C	30 mm	265	0
2004	42.6 °C10 July 2004	2.1 °C29 December 2004	26.1 °C	48 mm	256	0
2003	41.6 °C18 July 2003	4.7 °C7 January 2003	26.4 °C	22 mm	268	0
2002	42.6 °C8 July 2002	6.6 °C3 February 2002	26.2 °C	58 mm	254	0
2001	41.6 °C5 August 2001	3.2 °C11 January 2001	25.8 °C	30 mm	261	0
2000	42.3 °C2 August 2000	6.0 °C31 January 2000	26.3 °C	22 mm	269	0
1999	41.4 °C4 July 1999	3.3 °C25 December 1999	26.1 °C	28 mm	268	0
1998	42.6 °C4 August 1998	2.6 °C12 December 1998	25.8 °C	52 mm	240	0
1997	41.2 °C14 June 1997	4.5 °C26 January 1997	25.5 °C	76 mm	231	0
1996	41.6 °C15 July 1996	7.4 °C21 December 1996	25.7 °C	47 mm	242	0
1995	40.7 °C28 June 1995	7.3 °C8 January 1995	25.6 °C	29 mm	240	0
1994	40.6 °C18 August 1994	2.5 °C21 January 1994	25.6 °C	12 mm	243	0
1993	40.5 °C11 August 1993	3.8 °C5 February 1993	25.1 °C	39 mm	236	0
1992	39.6 °C14 June 1992	1.8 °C13 January 1992	24.2 °C	50 mm	209	0
1991	40.5 °C27 June 1991	5.8 °C27 January 1991	25.6 °C	23 mm	232	0
1990	40.1 °C18 July 1990	4.6 °C30 December 1990	25.2 °C	25 mm	233	0
1989	40.5 °C5 July 1989	3.6 °C7 January 1989	24.8 °C	56 mm	233	0
1988	40.9 °C15 July 1988	5.8 °C30 December 1988	25.5 °C	26 mm	245	0
1987	41.4 °C19 July 1987	3.3 °C19 January 1987	25.6 °C	59 mm	230	0
1986	40.7 °C2 August 1986	2.6 °C5 January 1986	25.0 °C	52 mm	229	0
1985	40.9 °C26 August 1985	4.3 °C14 January 1985	24.7 °C	80 mm	222	0
1984	40.4 °C25 July 1984	3.3 °C6 January 1984	24.9 °C	10 mm	242	0
1983	40.5 °C19 August 1983	2.7 °C31 December 1983	24.5 °C	57 mm	205	0
1982	40.1 °C22 August 1982	4.1 °C16 December 1982	24.3 °C	81 mm	215	0
1981	40.8 °C11 August 1981	4.3 °C15 January 1981	25.1 °C	43 mm	244	0
1980	41.8 °C23 July 1980	3.1 °C6 December 1980	25.5 °C	20 mm	249	0
1979	41.1 °C17 June 1979	5.6 °C24 November 1979	25.0 °C	43 mm	234	0
1978	40.9 °C14 June 1978	1.7 °C22 December 1978	24.6 °C	40 mm	233	0
1977	40.7 °C5 August 1977	3.0 °C11 January 1977	24.7 °C	77 mm	238	0
1976	40.3 °C20 June 1976	6.5 °C2 January 1976	24.6 °C	23 mm	223	0
1975	40.5 °C28 July 1975	5.2 °C14 January 1975	24.3 °C	122 mm	209	0
1974	40.1 °C1 July 1974	4.4 °C26 January 1974	24.1 °C	48 mm	204	0
1973	40.1 °C8 August 1973	1.5 °C4 January 1973	24.9 °C	14 mm	239	0
1972	40.4 °C13 August 1972	2.9 °C3 January 1972	24.2 °C	73 mm	207	0
1971	39.4 °C8 July 1971	2.5 °C25 December 1971	23.3 °C	37 mm	193	0
1970	39.2 °C9 June 1970	4.2 °C16 December 1970	24.4 °C	18 mm	214	0
1969	39.4 °C1 August 1969	2.4 °C6 February 1969	24.6 °C	32 mm	224	0
1968	39.1 °C31 July 1968	2.4 °C3 February 1968	23.6 °C	92 mm	206	0
1967	39.6 °C19 July 1967	3.9 °C15 January 1967	23.5 °C	39 mm	206	0
1966	40.3 °C16 July 1966	3.3 °C2 January 1966	24.1 °C	20 mm	218	0
1965	39.6 °C27 July 1965	3.4 °C11 January 1965	24.2 °C	15 mm	217	0
1964	39.4 °C16 July 1964	0.8 °C21 January 1964	23.6 °C	120 mm	211	0
1963	39.6 °C23 July 1963	1.8 °C25 December 1963	24.1 °C	35 mm	219	0
1962	39.1 °C29 July 1962	5.7 °C18 January 1962	24.2 °C	52 mm	221	0
1961	38.1 °C20 August 1961	6.5 °C30 December 1961	24.0 °C	106 mm	190	0
1960	39.3 °C20 July 1960	1.6 °C31 January 1960	24.3 °C	53 mm	196	0
1959	39.0 °C25 June 1959	2.9 °C23 January 1959	23.7 °C	19 mm	213	0
1958	39.3 °C30 August 1958	4.4 °C15 January 1958	24.7 °C	42 mm	223	0
1957	39.0 °C30 July 1957	-1.3 °C26 January 1957	23.6 °C	35 mm	205	1
1956	38.4 °C25 July 1956	2.0 °C25 January 1956	23.4 °C	12 mm	218	0
1955	39.1 °C11 July 1955	4.5 °C28 February 1955	24.1 °C	29 mm	215	0
1954	38.7 °C27 August 1954	3.2 °C19 December 1954	24.2 °C	14 mm	217	0
1953	39.3 °C22 June 1953	2.6 °C23 December 1953	23.9 °C	41 mm	218	0
1952	39.0 °C13 July 1952	2.7 °C10 December 1952	23.9 °C	50 mm	212	0
1951	39.3 °C14 July 1951	4.7 °C26 December 1951	24.1 °C	35 mm	204	0
1950	38.3 °C1 June 1950	1.2 °C19 January 1950	23.0 °C	63 mm	197	0
1949	38.4 °C12 July 1949	2.0 °C2 January 1949	22.9 °C	77 mm	195	0
1948	40.0 °C14 July 1948	2.1 °C20 January 1948	23.7 °C	39 mm	201	0
1947	39.0 °C20 June 1947	4.7 °C15 December 1947	23.5 °C	132 mm	201	0
1946	38.4 °C3 June 1946	4.3 °C12 January 1946	23.7 °C	10 mm	216	0
1945	39.1 °C26 June 1945	5.1 °C3 March 1945	23.7 °C	53 mm	212	0
1944	39.0 °C11 June 1944	5.3 °C21 December 1944	24.0 °C	70 mm	213	0
1943	38.4 °C8 August 1943	3.2 °C4 February 1943	23.4 °C	43 mm	202	0
1942	38.8 °C25 June 1942	4.5 °C8 January 1942	23.9 °C	67 mm	217	0
1941	39.5 °C18 July 1941	3.3 °C9 January 1941	23.8 °C	7 mm	210	0
1940	38.4 °C21 June 1940	3.1 °C17 January 1940	23.1 °C	51 mm	188	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

33.1 °C

+1.1 °C

Hot days (≥ 30 °C)

248 d/yr

+17

Frost days (< 0 °C)

0 d/yr

Annual rainfall

14 mm

-30 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	24.6 °C	-0.3 °C	1 mm	-3 mm
Feb	29.3 °C	+2.2 °C	1 mm	-3 mm
Mar	30.6 °C	+0.5 °C	4 mm	-5 mm
Apr	35.3 °C	+2.9 °C	0 mm	-11 mm
May	37.6 °C	+2.1 °C	3 mm	-2 mm
Jun	39.6 °C	+1.8 °C	0 mm	-0 mm
Jul	39.0 °C	+1.0 °C	0 mm	-2 mm
Aug	39.1 °C	+1.1 °C	1 mm	-0 mm
Sep	37.6 °C	+1.6 °C	0 mm	-0 mm
Oct	31.7 °C	+0.3 °C	0 mm	-1 mm
Nov	27.2 °C	-0.7 °C	0 mm	-3 mm
Dec	25.5 °C	+0.2 °C	4 mm	+0 mm

The year's extremes

Hottest day

41.6 °C

16 Jun 2025

Coldest day

5.1 °C

19 Dec 2025

Wettest day

2.8 mm

16 Dec 2025

Windiest day

42.9 km/h

4 Mar 2025

Strongest gust

66.6 km/h

4 Mar 2025

Hottest feels-like

39.5 °C

14 Jun 2025

Coldest feels-like

2.1 °C

19 Dec 2025

Sunniest day

12.2 h

19 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 Bisha?

Bisha has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 24.9 °C and it receives 44 mm of precipitation per year.

What is the hottest day ever recorded in Bisha?

The hottest day measured in Bisha between 1940 and 2025 was 24 July 2017, reaching 43.5 °C.

What is the coldest day in Bisha?

The coldest day measured in Bisha between 1940 and 2025 was 26 January 1957, at -1.3 °C.

Does it snow in Bisha?

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

Has the climate of Bisha warmed?

Yes: Bisha warmed by +3.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Bisha?

The wettest day measured in Bisha between 1940 and 2025 was 10 April 2002, with 48 mm of rain in 24 hours.

What was the windiest day in Bisha?

The windiest day measured in Bisha between 1940 and 2025 was 11 March 1994, with winds reaching 48.6 km/h.

What is the warmest month in Bisha?

The warmest month in Bisha is July (31.3 °C on average); the coldest is January (17.2 °C).

How much does it rain in Bisha?

Bisha receives on average 44 mm of precipitation per year, spread over about 10 rainy days.

Is it sunny in Bisha?

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

Are there tropical nights in Bisha?

Yes: Bisha has on average 135 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Bisha?

In Bisha, between 1940 and 2025, the highest apparent temperature reached 42.3 °C on 4 September 2015, and the lowest was -5.4 °C on 26 January 1957.

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