Guemar climate — normals and trends

Q: What is the climate of Guemar?

Guemar has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 21.5 °C and it receives 77 mm of precipitation per year.

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

The hottest day measured in Guemar between 1940 and 2025 was 14 July 2019, reaching 49.3 °C.

Q: What is the coldest day in Guemar?

The coldest day measured in Guemar between 1940 and 2025 was 2 January 1942, at -6.8 °C.

Q: Does it snow in Guemar?

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

Q: Has the climate of Guemar warmed?

Yes: Guemar warmed by +3.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Guemar?

The wettest day measured in Guemar between 1940 and 2025 was 28 September 1969, with 89 mm of rain in 24 hours.

Q: What was the windiest day in Guemar?

The windiest day measured in Guemar between 1940 and 2025 was 27 June 1980, with winds reaching 64.1 km/h.

Q: What is the warmest month in Guemar?

The warmest month in Guemar is July (33.1 °C on average); the coldest is January (10.2 °C).

Q: How much does it rain in Guemar?

Guemar receives on average 77 mm of precipitation per year, spread over about 15 rainy days.

Q: Is it sunny in Guemar?

Guemar gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.

Guemar (Algeria) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 21.5 °C and it receives 77 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 (33.1 °C on average) and the coldest is January (10.2 °C). Rainfall peaks in March.

Guemar averages 1 frost days, 154 hot days (≥ 30 °C) and 15 rainy days per year.

Guemar has warmed by +3.4 °C between 1940 and 2025, or +0.40 °C per decade. This trend is statistically significant.

The number of frost days there went from about 4 to 0 per year over the period.

The hottest day of the period reached 49.3 °C (on 14 July 2019) and the coldest -6.8 °C (on 2 January 1942).

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

GuemarEl Oued Province

coords: 33.49°, 6.80°
period: 1940–2025 · 86 yrs

BWhHot desertWarmest monthJulyColdest monthJanuaryWettest monthMarchDriest monthJuly

Mean daily temperature

21.5°C

Average daily high

27.4°C

Average daily low

15.9°C

Annual rainfall

77mm

Sunshine / day

11.1h

Mean relative humidity

45%

Average peak wind

22.4km/h

Seasonal range

22.9°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

154 d/yr

Rainy days (≥ 1 mm)

15 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.5 °C

Average feels-like low

13.1 °C

Average peak gust

34.6 km/h

Tropical nights (≥ 20 °C)

134 d/yr

Solar radiation

20.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+3.4 °C

since 1940

+0.4 °C per decade · r² = 0.81 · 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

49.3 °C

14 July 2019

Coldest day

-6.8 °C

2 January 1942

Wettest day

89 mm

28 September 1969

Windiest day

64.1 km/h

27 June 1980

Strongest gust

99.7 km/h

26 March 1963

Hottest feels-like

49.0 °C

8 July 2012

Coldest feels-like

-11.4 °C

5 January 1942

Sunniest day

13.3 h

23 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	46.6 °C22 July 2025	3.6 °C14 January 2025	23.2 °C	68 mm	172	0
2024	49.2 °C10 July 2024	3.5 °C26 December 2024	23.9 °C	97 mm	174	0
2023	49.0 °C29 July 2023	0.3 °C24 January 2023	23.4 °C	42 mm	178	0
2022	48.1 °C2 July 2022	0.3 °C20 January 2022	23.5 °C	29 mm	171	0
2021	48.4 °C4 July 2021	0.4 °C4 January 2021	23.8 °C	20 mm	170	0
2020	46.7 °C2 July 2020	2.0 °C3 January 2020	23.2 °C	46 mm	170	0
2019	49.3 °C14 July 2019	2.6 °C14 February 2019	23.0 °C	50 mm	163	0
2018	49.2 °C5 July 2018	1.5 °C8 February 2018	22.9 °C	42 mm	160	0
2017	47.7 °C13 July 2017	1.6 °C4 January 2017	22.5 °C	116 mm	162	0
2016	47.3 °C15 June 2016	3.7 °C29 January 2016	23.3 °C	47 mm	187	0
2015	46.2 °C2 August 2015	0.7 °C2 January 2015	22.6 °C	37 mm	172	0
2014	47.5 °C26 July 2014	2.4 °C31 December 2014	23.3 °C	84 mm	172	0
2013	46.1 °C21 July 2013	2.0 °C27 February 2013	22.8 °C	49 mm	188	0
2012	47.9 °C13 July 2012	0.9 °C18 February 2012	22.9 °C	37 mm	175	0
2011	48.5 °C22 July 2011	2.0 °C20 December 2011	22.3 °C	67 mm	153	0
2010	48.3 °C15 July 2010	1.4 °C3 February 2010	23.0 °C	70 mm	161	0
2009	47.7 °C16 August 2009	2.8 °C18 February 2009	22.1 °C	204 mm	143	0
2008	48.4 °C12 July 2008	2.1 °C30 January 2008	22.6 °C	74 mm	164	0
2007	48.2 °C19 June 2007	-0.6 °C18 December 2007	22.5 °C	69 mm	156	1
2006	47.8 °C28 June 2006	-0.3 °C7 January 2006	22.6 °C	112 mm	179	1
2005	48.3 °C25 July 2005	-0.3 °C27 January 2005	22.4 °C	39 mm	181	3
2004	48.3 °C10 August 2004	0.8 °C8 January 2004	22.1 °C	159 mm	155	0
2003	47.2 °C3 July 2003	2.4 °C26 December 2003	22.8 °C	84 mm	173	0
2002	46.2 °C1 July 2002	0.4 °C7 January 2002	22.8 °C	39 mm	166	0
2001	47.9 °C16 July 2001	1.1 °C10 January 2001	23.3 °C	38 mm	182	0
2000	45.8 °C18 July 2000	-0.4 °C10 January 2000	22.2 °C	23 mm	159	1
1999	46.9 °C8 August 1999	-0.5 °C2 February 1999	23.3 °C	83 mm	180	2
1998	46.1 °C20 August 1998	2.2 °C10 December 1998	22.0 °C	41 mm	154	0
1997	48.2 °C23 July 1997	4.1 °C5 January 1997	22.5 °C	71 mm	157	0
1996	47.6 °C7 July 1996	1.3 °C28 December 1996	21.6 °C	86 mm	147	0
1995	46.6 °C25 June 1995	1.5 °C17 January 1995	22.0 °C	126 mm	137	0
1994	45.2 °C18 August 1994	1.5 °C3 February 1994	22.5 °C	57 mm	150	0
1993	46.7 °C4 July 1993	1.7 °C13 December 1993	21.7 °C	57 mm	161	0
1992	44.1 °C29 August 1992	0.6 °C1 January 1992	21.0 °C	85 mm	158	0
1991	45.6 °C25 July 1991	0.9 °C31 December 1991	21.0 °C	45 mm	147	0
1990	43.1 °C20 June 1990	2.7 °C17 December 1990	22.0 °C	164 mm	159	0
1989	45.2 °C6 August 1989	0.6 °C4 January 1989	22.1 °C	19 mm	152	0
1988	46.9 °C5 July 1988	1.2 °C28 December 1988	22.3 °C	53 mm	163	0
1987	46.7 °C14 June 1987	1.4 °C1 January 1987	22.2 °C	58 mm	168	0
1986	43.6 °C29 August 1986	1.7 °C13 February 1986	21.7 °C	60 mm	150	0
1985	45.1 °C17 June 1985	0.5 °C10 January 1985	21.9 °C	65 mm	149	0
1984	44.2 °C13 August 1984	1.5 °C17 February 1984	20.9 °C	88 mm	144	0
1983	46.2 °C8 August 1983	-1.2 °C25 January 1983	21.7 °C	37 mm	163	2
1982	45.5 °C17 July 1982	1.6 °C30 December 1982	21.6 °C	116 mm	151	0
1981	46.8 °C3 July 1981	0.5 °C30 January 1981	21.8 °C	34 mm	175	0
1980	46.5 °C9 July 1980	-3.0 °C15 December 1980	20.7 °C	92 mm	141	2
1979	45.5 °C6 August 1979	2.3 °C17 January 1979	21.3 °C	68 mm	146	0
1978	45.1 °C7 August 1978	-0.6 °C9 January 1978	20.9 °C	93 mm	136	1
1977	47.2 °C14 July 1977	3.0 °C20 December 1977	21.6 °C	127 mm	141	0
1976	44.3 °C22 July 1976	0.9 °C30 January 1976	20.1 °C	156 mm	133	0
1975	45.9 °C11 July 1975	1.1 °C8 January 1975	20.5 °C	170 mm	140	0
1974	45.8 °C26 June 1974	0.5 °C24 December 1974	20.6 °C	58 mm	138	0
1973	46.1 °C16 July 1973	0.6 °C2 March 1973	21.3 °C	169 mm	165	0
1972	46.5 °C28 July 1972	1.4 °C10 December 1972	20.7 °C	127 mm	131	0
1971	45.6 °C4 July 1971	-0.2 °C11 January 1971	20.9 °C	73 mm	142	1
1970	45.3 °C9 August 1970	0.1 °C18 February 1970	21.2 °C	63 mm	151	0
1969	43.5 °C16 August 1969	0.4 °C5 January 1969	20.8 °C	253 mm	134	0
1968	45.0 °C6 August 1968	2.3 °C30 January 1968	21.4 °C	50 mm	139	0
1967	44.3 °C8 July 1967	-1.2 °C18 January 1967	21.0 °C	52 mm	145	2
1966	44.9 °C12 July 1966	1.2 °C27 December 1966	21.4 °C	52 mm	140	0
1965	45.8 °C1 August 1965	0.9 °C11 February 1965	21.0 °C	76 mm	134	0
1964	43.7 °C18 August 1964	0.6 °C14 January 1964	20.5 °C	109 mm	155	0
1963	43.2 °C3 July 1963	-1.2 °C26 January 1963	20.6 °C	82 mm	122	2
1962	45.1 °C13 July 1962	0.3 °C17 December 1962	20.6 °C	97 mm	138	0
1961	43.9 °C22 July 1961	0.8 °C22 January 1961	21.0 °C	54 mm	149	0
1960	45.8 °C2 July 1960	0.2 °C20 January 1960	21.2 °C	51 mm	149	0
1959	43.6 °C4 August 1959	-0.8 °C20 January 1959	20.8 °C	36 mm	135	1
1958	44.3 °C8 July 1958	2.0 °C21 February 1958	20.9 °C	107 mm	143	0
1957	43.2 °C10 June 1957	-3.2 °C19 January 1957	20.1 °C	128 mm	130	5
1956	45.2 °C21 July 1956	-2.1 °C5 February 1956	19.5 °C	40 mm	138	4
1955	46.5 °C2 August 1955	1.8 °C1 January 1955	21.2 °C	55 mm	143	0
1954	46.1 °C30 June 1954	-0.8 °C14 January 1954	19.9 °C	30 mm	132	1
1953	42.9 °C29 June 1953	-3.0 °C18 January 1953	19.9 °C	77 mm	147	6
1952	45.3 °C18 June 1952	-1.8 °C11 January 1952	21.4 °C	68 mm	153	4
1951	43.4 °C25 June 1951	0.0 °C14 December 1951	20.3 °C	77 mm	146	0
1950	43.8 °C9 July 1950	1.1 °C29 January 1950	20.6 °C	48 mm	147	0
1949	44.9 °C18 July 1949	-2.0 °C7 February 1949	20.2 °C	115 mm	141	6
1948	43.0 °C9 August 1948	-0.1 °C2 January 1948	20.4 °C	28 mm	140	1
1947	43.3 °C9 July 1947	-1.5 °C26 December 1947	21.4 °C	65 mm	148	5
1946	43.9 °C11 August 1946	-0.1 °C23 December 1946	21.0 °C	16 mm	160	1
1945	47.3 °C8 August 1945	-1.4 °C17 December 1945	20.6 °C	47 mm	147	7
1944	44.6 °C3 July 1944	-3.9 °C10 January 1944	19.8 °C	42 mm	152	7
1943	44.6 °C27 July 1943	-0.1 °C30 January 1943	19.7 °C	356 mm	139	1
1942	44.4 °C13 July 1942	-6.8 °C2 January 1942	20.4 °C	85 mm	154	14
1941	45.6 °C16 July 1941	-6.4 °C6 January 1941	20.0 °C	36 mm	136	22
1940	44.5 °C7 July 1940	-5.9 °C1 January 1940	19.8 °C	25 mm	151	24

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

29.0 °C

+1.6 °C

Hot days (≥ 30 °C)

172 d/yr

+18

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

68 mm

-9 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	18.3 °C	+2.8 °C	2 mm	-8 mm
Feb	19.0 °C	+0.9 °C	8 mm	+1 mm
Mar	25.3 °C	+3.3 °C	4 mm	-7 mm
Apr	28.1 °C	+1.7 °C	4 mm	-5 mm
May	32.6 °C	+1.0 °C	7 mm	+4 mm
Jun	38.3 °C	+1.5 °C	0 mm	-2 mm
Jul	41.4 °C	+1.7 °C	0 mm	-0 mm
Aug	40.0 °C	+1.0 °C	1 mm	0 mm
Sep	35.4 °C	+1.2 °C	8 mm	+2 mm
Oct	29.6 °C	+1.8 °C	1 mm	-8 mm
Nov	22.4 °C	+1.4 °C	5 mm	-4 mm
Dec	16.9 °C	+0.7 °C	30 mm	+20 mm

The year's extremes

Hottest day

46.6 °C

22 Jul 2025

Coldest day

3.6 °C

14 Jan 2025

Wettest day

13.6 mm

15 Dec 2025

Windiest day

48.1 km/h

14 Apr 2025

Strongest gust

76.3 km/h

14 Apr 2025

Hottest feels-like

45.9 °C

22 Jul 2025

Coldest feels-like

-0.6 °C

30 Nov 2025

Sunniest day

13.2 h

19 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 Guemar?

Guemar has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 21.5 °C and it receives 77 mm of precipitation per year.

What is the hottest day ever recorded in Guemar?

The hottest day measured in Guemar between 1940 and 2025 was 14 July 2019, reaching 49.3 °C.

What is the coldest day in Guemar?

The coldest day measured in Guemar between 1940 and 2025 was 2 January 1942, at -6.8 °C.

Does it snow in Guemar?

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

Has the climate of Guemar warmed?

Yes: Guemar warmed by +3.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Guemar?

The wettest day measured in Guemar between 1940 and 2025 was 28 September 1969, with 89 mm of rain in 24 hours.

What was the windiest day in Guemar?

The windiest day measured in Guemar between 1940 and 2025 was 27 June 1980, with winds reaching 64.1 km/h.

What is the warmest month in Guemar?

The warmest month in Guemar is July (33.1 °C on average); the coldest is January (10.2 °C).

How much does it rain in Guemar?

Guemar receives on average 77 mm of precipitation per year, spread over about 15 rainy days.

Is it sunny in Guemar?

Guemar gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.

Are there tropical nights in Guemar?

Yes: Guemar has on average 134 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Guemar?

In Guemar, between 1940 and 2025, the highest apparent temperature reached 49.0 °C on 8 July 2012, and the lowest was -11.4 °C on 5 January 1942.

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