Ar Rayāyinah climate — normals and trends

Q: What is the climate of Ar Rayāyinah?

Ar Rayāyinah has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 129 mm of precipitation per year.

Q: What is the hottest day ever recorded in Ar Rayāyinah?

The hottest day measured in Ar Rayāyinah between 1940 and 2025 was 29 July 2023, reaching 44.9 °C.

Q: What is the coldest day in Ar Rayāyinah?

The coldest day measured in Ar Rayāyinah between 1940 and 2025 was 21 December 1940, at -3.5 °C.

Q: Does it snow in Ar Rayāyinah?

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

Q: Has the climate of Ar Rayāyinah warmed?

Yes: Ar Rayāyinah warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ar Rayāyinah?

The wettest day measured in Ar Rayāyinah between 1940 and 2025 was 20 September 1988, with 62 mm of rain in 24 hours.

Q: What was the windiest day in Ar Rayāyinah?

The windiest day measured in Ar Rayāyinah between 1940 and 2025 was 23 March 1956, with winds reaching 65.2 km/h.

Q: What is the warmest month in Ar Rayāyinah?

The warmest month in Ar Rayāyinah is August (28.3 °C on average); the coldest is January (9.8 °C).

Q: How much does it rain in Ar Rayāyinah?

Ar Rayāyinah receives on average 129 mm of precipitation per year, spread over about 27 rainy days.

Q: Is it sunny in Ar Rayāyinah?

Ar Rayāyinah gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.

Ar Rayāyinah (Libya) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 19.4 °C and it receives 129 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 (28.3 °C on average) and the coldest is January (9.8 °C). Rainfall peaks in March.

Ar Rayāyinah averages 1 frost days, 123 hot days (≥ 30 °C) and 27 rainy days per year.

Ar Rayāyinah has warmed by +2.9 °C between 1940 and 2025, or +0.34 °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 44.9 °C (on 29 July 2023) and the coldest -3.5 °C (on 21 December 1940).

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

Ar RayāyinahJabal al Gharbi

coords: 32.03°, 12.36°
period: 1940–2025 · 86 yrs

BWhHot desertWarmest monthAugustColdest monthJanuaryWettest monthMarchDriest monthJuly

Mean daily temperature

19.4°C

Average daily high

24.9°C

Average daily low

14.2°C

Annual rainfall

129mm

Sunshine / day

10.9h

Mean relative humidity

52%

Average peak wind

21.7km/h

Seasonal range

18.5°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

123 d/yr

Rainy days (≥ 1 mm)

27 d/yr

Annual snowfall

0.2 cm

Average feels-like high

22.9 °C

Average feels-like low

12.1 °C

Average peak gust

37.4 km/h

Tropical nights (≥ 20 °C)

91 d/yr

Solar radiation

20.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.9 °C

since 1940

+0.3 °C per decade · r² = 0.72 · 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

44.9 °C

29 July 2023

Coldest day

-3.5 °C

21 December 1940

Wettest day

62 mm

20 September 1988

Windiest day

65.2 km/h

23 March 1956

Strongest gust

109.1 km/h

23 March 1956

Hottest feels-like

45.1 °C

4 July 1988

Coldest feels-like

-9.1 °C

9 January 1981

Snowiest day

4.2 cm

4 February 1999

Sunniest day

13.7 h

8 June 1945

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	43.1 °C25 July 2025	4.2 °C11 February 2025	21.1 °C	74 mm	144	0
2024	44.4 °C11 June 2024	4.3 °C10 January 2024	21.7 °C	87 mm	149	0
2023	44.9 °C29 July 2023	3.1 °C29 January 2023	20.7 °C	126 mm	129	0
2022	42.6 °C1 July 2022	1.6 °C26 January 2022	21.2 °C	56 mm	139	0
2021	44.4 °C4 July 2021	2.1 °C5 January 2021	21.6 °C	40 mm	147	0
2020	42.6 °C14 May 2020	2.5 °C9 February 2020	20.7 °C	75 mm	137	0
2019	42.4 °C14 June 2019	0.8 °C16 January 2019	20.2 °C	184 mm	131	0
2018	43.8 °C23 July 2018	1.9 °C29 December 2018	20.7 °C	142 mm	131	0
2017	41.8 °C12 May 2017	1.7 °C7 January 2017	19.6 °C	233 mm	118	0
2016	43.7 °C16 June 2016	3.0 °C17 January 2016	21.2 °C	54 mm	150	0
2015	41.8 °C13 June 2015	2.2 °C9 January 2015	20.1 °C	85 mm	134	0
2014	44.4 °C3 August 2014	1.0 °C31 December 2014	21.0 °C	115 mm	147	0
2013	42.0 °C9 June 2013	2.2 °C11 February 2013	20.8 °C	88 mm	145	0
2012	41.8 °C12 July 2012	0.0 °C9 February 2012	20.4 °C	115 mm	161	0
2011	43.8 °C23 July 2011	2.8 °C21 December 2011	19.6 °C	144 mm	119	0
2010	43.1 °C10 June 2010	2.4 °C11 January 2010	21.3 °C	79 mm	141	0
2009	43.9 °C8 July 2009	2.1 °C17 February 2009	20.4 °C	77 mm	130	0
2008	44.5 °C13 July 2008	2.2 °C19 February 2008	20.5 °C	159 mm	146	0
2007	43.0 °C20 June 2007	1.5 °C20 December 2007	20.5 °C	129 mm	136	0
2006	43.0 °C16 August 2006	1.3 °C7 January 2006	20.3 °C	192 mm	136	0
2005	43.4 °C28 July 2005	0.7 °C27 January 2005	20.2 °C	142 mm	126	0
2004	42.4 °C11 August 2004	2.3 °C6 January 2004	20.2 °C	108 mm	132	0
2003	43.3 °C3 July 2003	0.8 °C8 February 2003	20.5 °C	150 mm	145	0
2002	41.9 °C14 July 2002	1.3 °C9 January 2002	20.5 °C	119 mm	131	0
2001	43.2 °C10 July 2001	2.4 °C3 February 2001	20.8 °C	87 mm	147	0
2000	42.5 °C11 July 2000	3.1 °C28 January 2000	20.1 °C	84 mm	127	0
1999	43.2 °C9 August 1999	0.0 °C2 February 1999	21.3 °C	126 mm	160	0
1998	42.9 °C8 September 1998	2.5 °C12 March 1998	19.8 °C	144 mm	132	0
1997	44.1 °C10 July 1997	2.4 °C30 December 1997	20.0 °C	123 mm	121	0
1996	43.7 °C7 July 1996	0.3 °C28 December 1996	20.1 °C	129 mm	120	0
1995	44.2 °C27 June 1995	0.1 °C15 January 1995	19.8 °C	189 mm	121	0
1994	42.1 °C18 August 1994	3.3 °C1 February 1994	20.1 °C	150 mm	134	0
1993	43.0 °C22 June 1993	1.4 °C26 February 1993	20.0 °C	76 mm	136	0
1992	40.7 °C23 June 1992	-1.5 °C26 January 1992	19.2 °C	97 mm	120	1
1991	43.6 °C31 July 1991	1.5 °C17 February 1991	18.9 °C	179 mm	113	0
1990	41.6 °C12 June 1990	3.2 °C8 December 1990	20.2 °C	120 mm	142	0
1989	41.1 °C11 September 1989	2.7 °C14 January 1989	19.8 °C	69 mm	123	0
1988	44.4 °C1 July 1988	2.8 °C10 December 1988	20.0 °C	195 mm	131	0
1987	43.5 °C14 June 1987	0.8 °C21 January 1987	19.9 °C	110 mm	135	0
1986	41.2 °C14 July 1986	1.0 °C13 February 1986	19.2 °C	134 mm	116	0
1985	41.8 °C19 June 1985	1.2 °C11 January 1985	19.6 °C	120 mm	116	0
1984	42.2 °C13 August 1984	1.1 °C14 February 1984	19.1 °C	167 mm	128	0
1983	42.6 °C9 August 1983	0.0 °C6 February 1983	19.1 °C	88 mm	119	0
1982	42.0 °C24 June 1982	1.4 °C25 December 1982	19.4 °C	178 mm	130	0
1981	43.7 °C3 July 1981	-2.0 °C10 January 1981	19.6 °C	55 mm	136	4
1980	43.4 °C13 June 1980	1.4 °C13 January 1980	18.4 °C	205 mm	108	0
1979	40.8 °C3 July 1979	-1.5 °C18 January 1979	19.1 °C	167 mm	112	1
1978	43.6 °C20 June 1978	1.3 °C3 January 1978	18.9 °C	112 mm	101	0
1977	44.8 °C8 July 1977	0.4 °C19 January 1977	19.9 °C	89 mm	108	0
1976	41.0 °C23 August 1976	-0.2 °C30 January 1976	17.9 °C	344 mm	101	1
1975	41.0 °C16 June 1975	0.2 °C4 December 1975	18.6 °C	130 mm	108	0
1974	42.9 °C26 June 1974	1.1 °C2 March 1974	18.3 °C	233 mm	104	0
1973	42.5 °C17 July 1973	0.8 °C3 March 1973	18.8 °C	148 mm	137	0
1972	41.8 °C30 July 1972	2.4 °C23 January 1972	18.7 °C	311 mm	103	0
1971	41.8 °C18 June 1971	0.9 °C4 January 1971	18.8 °C	119 mm	110	0
1970	43.5 °C24 June 1970	1.5 °C1 March 1970	19.1 °C	72 mm	112	0
1969	42.2 °C29 May 1969	0.4 °C12 December 1969	19.0 °C	218 mm	101	0
1968	43.3 °C11 August 1968	1.2 °C14 March 1968	19.2 °C	112 mm	107	0
1967	42.2 °C17 June 1967	0.2 °C24 December 1967	18.5 °C	104 mm	109	0
1966	42.7 °C27 July 1966	0.3 °C31 January 1966	18.8 °C	159 mm	105	0
1965	42.3 °C1 August 1965	-0.3 °C11 February 1965	18.4 °C	106 mm	104	2
1964	42.9 °C27 June 1964	-0.2 °C29 December 1964	18.6 °C	143 mm	108	1
1963	39.7 °C26 June 1963	0.4 °C30 January 1963	18.9 °C	182 mm	104	0
1962	42.8 °C13 July 1962	-0.4 °C10 January 1962	18.6 °C	183 mm	100	1
1961	42.5 °C27 May 1961	0.4 °C2 January 1961	18.4 °C	116 mm	99	0
1960	43.8 °C12 August 1960	-0.2 °C19 January 1960	19.6 °C	163 mm	122	1
1959	44.6 °C5 August 1959	-0.7 °C20 January 1959	18.7 °C	68 mm	112	3
1958	43.4 °C3 July 1958	-0.6 °C26 January 1958	19.0 °C	73 mm	117	1
1957	40.9 °C24 June 1957	0.6 °C5 March 1957	18.1 °C	200 mm	89	0
1956	41.9 °C21 July 1956	-1.9 °C9 February 1956	18.1 °C	107 mm	109	3
1955	44.3 °C2 August 1955	2.1 °C6 January 1955	19.9 °C	136 mm	131	0
1954	43.4 °C5 July 1954	0.4 °C30 December 1954	17.9 °C	98 mm	97	0
1953	41.2 °C2 July 1953	-0.9 °C23 January 1953	18.6 °C	121 mm	131	5
1952	41.6 °C16 June 1952	-1.2 °C22 January 1952	19.2 °C	82 mm	140	1
1951	41.7 °C26 June 1951	1.0 °C8 January 1951	19.0 °C	96 mm	115	0
1950	40.5 °C23 June 1950	-0.5 °C22 January 1950	18.1 °C	168 mm	116	1
1949	41.4 °C16 June 1949	-0.1 °C30 January 1949	18.3 °C	121 mm	117	1
1948	41.7 °C11 July 1948	1.2 °C20 December 1948	18.4 °C	105 mm	112	0
1947	42.5 °C1 September 1947	-0.1 °C29 December 1947	19.5 °C	61 mm	120	1
1946	40.8 °C16 June 1946	-0.5 °C24 February 1946	19.4 °C	72 mm	137	1
1945	43.3 °C19 August 1945	-1.5 °C3 January 1945	18.4 °C	127 mm	128	8
1944	43.4 °C10 August 1944	-1.8 °C10 January 1944	17.9 °C	135 mm	121	6
1943	40.1 °C7 July 1943	0.8 °C1 January 1943	18.1 °C	258 mm	111	0
1942	42.9 °C18 June 1942	-3.1 °C5 January 1942	18.4 °C	110 mm	115	12
1941	41.5 °C2 August 1941	-3.3 °C8 January 1941	18.2 °C	115 mm	115	10
1940	42.2 °C24 June 1940	-3.5 °C21 December 1940	18.1 °C	47 mm	110	13

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

26.4 °C

+1.5 °C

Hot days (≥ 30 °C)

144 d/yr

+21

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

74 mm

-55 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	16.4 °C	+2.1 °C	14 mm	-3 mm
Feb	17.3 °C	+1.0 °C	6 mm	-10 mm
Mar	24.7 °C	+4.9 °C	11 mm	-8 mm
Apr	25.8 °C	+1.3 °C	6 mm	-6 mm
May	29.4 °C	+0.5 °C	7 mm	+1 mm
Jun	33.3 °C	+0.1 °C	3 mm	+1 mm
Jul	36.1 °C	+1.6 °C	0 mm	-0 mm
Aug	34.9 °C	+0.5 °C	1 mm	-0 mm
Sep	32.2 °C	+0.9 °C	3 mm	-5 mm
Oct	27.2 °C	+1.0 °C	7 mm	-10 mm
Nov	21.8 °C	+1.5 °C	0 mm	-14 mm
Dec	16.6 °C	+1.2 °C	17 mm	-1 mm

The year's extremes

Hottest day

43.1 °C

25 Jul 2025

Coldest day

4.2 °C

11 Feb 2025

Wettest day

6.1 mm

16 Jan 2025

Windiest day

48.9 km/h

15 May 2025

Strongest gust

78.1 km/h

15 May 2025

Hottest feels-like

42.5 °C

25 Jul 2025

Coldest feels-like

-0.4 °C

1 Dec 2025

Sunniest day

13.6 h

9 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 Ar Rayāyinah?

Ar Rayāyinah has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 129 mm of precipitation per year.

What is the hottest day ever recorded in Ar Rayāyinah?

The hottest day measured in Ar Rayāyinah between 1940 and 2025 was 29 July 2023, reaching 44.9 °C.

What is the coldest day in Ar Rayāyinah?

The coldest day measured in Ar Rayāyinah between 1940 and 2025 was 21 December 1940, at -3.5 °C.

Does it snow in Ar Rayāyinah?

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

Has the climate of Ar Rayāyinah warmed?

Yes: Ar Rayāyinah warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ar Rayāyinah?

The wettest day measured in Ar Rayāyinah between 1940 and 2025 was 20 September 1988, with 62 mm of rain in 24 hours.

What was the windiest day in Ar Rayāyinah?

The windiest day measured in Ar Rayāyinah between 1940 and 2025 was 23 March 1956, with winds reaching 65.2 km/h.

What is the warmest month in Ar Rayāyinah?

The warmest month in Ar Rayāyinah is August (28.3 °C on average); the coldest is January (9.8 °C).

How much does it rain in Ar Rayāyinah?

Ar Rayāyinah receives on average 129 mm of precipitation per year, spread over about 27 rainy days.

Is it sunny in Ar Rayāyinah?

Ar Rayāyinah gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.

What is the biggest single-day snowfall in Ar Rayāyinah?

The heaviest 24-hour snowfall measured in Ar Rayāyinah between 1940 and 2025 was 4 February 1999, with 4.2 cm.

Are there tropical nights in Ar Rayāyinah?

Yes: Ar Rayāyinah has on average 91 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ar Rayāyinah?

In Ar Rayāyinah, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 4 July 1988, and the lowest was -9.1 °C on 9 January 1981.

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