Built 2026-10-15 (15 October 2026)

Climate Trends in Algeria

Climate trends for Algeria from 0 stations with long records. Also streaks and temperature swings.

Data as of . Last revised (2026-10-13).

Longest Hot, Cold, Wet and Dry Streaks: Algeria

7 lists of 10

Longest run of days at or above 35 C

Consecutive days with a daily maximum at or above 35 C (95 F).

Longest run of days at or above 35 C, Algeria: the 10 longest runs
RankStationCountryLengthWhen
1In-AmenasAlgeria117 days30 May to 23 September 1998
2El-GoleaAlgeria114 days11 May to 1 September 1955
3OuarglaAlgeria88 days18 June to 13 September 1958
4BecharAlgeria76 days24 June to 7 September 1958
5Sidi MahdiAlgeria65 days3 July to 5 September 2015
6BiskraAlgeria63 days25 June to 26 August 1923
7M'SilaAlgeria62 days28 June to 28 August 2009
8Beni-AbbesAlgeria58 days9 June to 5 August 2011
9Ain-SefraAlgeria55 days16 June to 9 August 2007
10Tizi OuzouAlgeria53 days14 July to 4 September 1904

Longest run of days at or above 40 C

Consecutive days with a daily maximum at or above 40 C (104 F).

Longest run of days at or above 40 C, Algeria: the 10 longest runs
RankStationCountryLengthWhen
1Beni-AbbesAlgeria41 days9 July to 18 August 2015
2El-GoleaAlgeria36 days9 July to 13 August 2010
3LaghouatAlgeria34 days14 July to 16 August 1912
4In-SalahAlgeria32 days4 August to 4 September 2002
5Touat Cheikh Sidi Mohamed BelAlgeria31 days14 July to 13 August 1988
6In-AmenasAlgeria26 days11 June to 6 July 1988
7OuarglaAlgeria22 days27 July to 17 August 1967
8NoumeratAlgeria22 days10 to 31 July 2013
9Sidi MahdiAlgeria22 days20 July to 10 August 2015
10BiskraAlgeria21 days1 to 21 August 1885

Longest run of frost days (minimum at or below 0 C)

Consecutive days with a daily minimum at or below 0 C (32 F).

Longest run of frost days (minimum at or below 0 C), Algeria: the 10 longest runs
RankStationCountryLengthWhen
1Geryville (El-Bayadh)Algeria39 days25 January to 4 March 1909
2Bou ChekifAlgeria26 days25 December 2018 to 19 January 2019
3SetifAlgeria25 days9 December 1879 to 2 January 1880
4Sidi-Bel-AbbesAlgeria23 days31 December 1924 to 22 January 1925
5Sidi-Bel-AbbesAlgeria19 days30 December 2018 to 17 January 2019
6LaghouatAlgeria18 days14 to 31 January 1899
7Djelfa/TletsiAlgeria18 days1 to 18 January 2005
8NaamaAlgeria18 days24 December 2019 to 10 January 2020
9Oum El BouaghiAlgeria17 days15 to 31 January 2022
10TebessaAlgeria15 days4 to 18 December 1912

Longest run of ice days (maximum at or below 0 C)

Consecutive days with a daily maximum at or below 0 C (32 F).

Longest run of ice days (maximum at or below 0 C), Algeria: the 10 longest runs
RankStationCountryLengthWhen
1MedeaAlgeria4 days26 to 29 January 2005
2Geryville (El-Bayadh)Algeria3 days1 to 3 February 1908
3El-BayadhAlgeria3 days26 to 28 January 2005
4Fort NationalAlgeria2 days31 December 1913 to 1 January 1914
5Setif Ain ArnatAlgeria2 days24 to 25 December 1986
6Djelfa/TletsiAlgeria2 days26 to 27 January 2005
7Ain-SefraAlgeria2 days27 to 28 January 2005
8SetifAlgeria1 day16 to 16 January 1893
9Sidi-Bel-AbbesAlgeria1 day23 to 23 January 1906
10LaghouatAlgeria1 day2 to 2 January 1914

Longest dry spell (days under 1 mm of rain), within one year

Consecutive days with less than 1 mm (0.04 in) of rain, the longest run within a year. The dates are not kept, so the list gives the year (within the year).

Longest dry spell (days under 1 mm of rain), within one year, Algeria: the 10 longest runs
RankStationCountryLengthWhen
1In-AmenasAlgeria267 dayswithin 1993
2El-GoleaAlgeria247 dayswithin 1893
3TamanrassetAlgeria235 dayswithin 1946
4TindoufAlgeria231 dayswithin 2008
5OuarglaAlgeria213 dayswithin 2006
6TimimounAlgeria187 dayswithin 2014
7NoumeratAlgeria179 dayswithin 2023
8BiskraAlgeria176 dayswithin 1880
9Oued IraraAlgeria175 dayswithin 2008
10Nemours (Ghazaouet)Algeria167 dayswithin 1914

Longest wet spell (days with 1 mm or more of rain), within one year

Consecutive days with 1 mm (0.04 in) or more of rain, the longest run within a year. The dates are not kept, so the list gives the year (within the year).

Longest wet spell (days with 1 mm or more of rain), within one year, Algeria: the 10 longest runs
RankStationCountryLengthWhen
1Oran-Hopital MilitaireAlgeria17 dayswithin 1891
2Souk AhrasAlgeria16 dayswithin 2011
3ConstantineAlgeria15 dayswithin 1916
4JijelAlgeria15 dayswithin 2012
5Sidi-Bel-AbbesAlgeria14 dayswithin 1884
6Alger-Dar El BeidaAlgeria14 dayswithin 2012
7Alger-PortAlgeria14 dayswithin 2012
8Algiers-Ville/UniversiteAlgeria13 dayswithin 1915
9Fort NationalAlgeria13 dayswithin 1925
10Tizi OuzouAlgeria12 dayswithin 1886

Longest run of nights at or above 25 C

Longest run of nights at or above 25 C, Algeria: the 10 longest runs
RankStationCountryLengthWhen
1Beni-AbbesAlgeria113 days28 May to 17 September 2017
2Touat Cheikh Sidi Mohamed BelAlgeria83 days26 June to 16 September 2018
3BiskraAlgeria40 days30 June to 8 August 2018
4In-GuezzamAlgeria40 days23 August to 1 October 2021
5El-GoleaAlgeria37 days9 June to 15 July 1952
6BecharAlgeria37 days14 July to 19 August 1958
7NoumeratAlgeria34 days8 July to 10 August 2018
8In-SalahAlgeria33 days27 June to 29 July 1995
9In-AmenasAlgeria21 days14 August to 3 September 2018
10GuemarAlgeria20 days29 June to 18 July 2012

A run belongs to the year it started in, even when it ran on into the next year. A station appears once per list, with its longest run in a complete year. Dry and wet spells are the longest run within a year. Lists use complete years only, so a long run in a year with gaps in the record is not counted.

Biggest One Day Temperature Swings: Algeria

5 lists of 10

Caveat.Single readings can still be instrument errors that quality control missed. A station with one faulty value can top a list, so read each entry as a reported value, not as a confirmed event.

Biggest one day rise in the daily maximum

The largest increase in the daily maximum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.

Biggest one day rise in the daily maximum, Algeria
RankStationCountryValueDate
1Orleansville (Chlef)Algeria19.0 C (34.2 F)3 May 1887
2Fort NationalAlgeria19.0 C (34.2 F)1 October 1932
3JijelAlgeria18.1 C (32.6 F)19 June 2006
4Alger-Dar El BeidaAlgeria17.4 C (31.3 F)14 July 1940
5Tizi OuzouAlgeria16.0 C (28.8 F)18 May 1888
6Geryville (El-Bayadh)Algeria16.0 C (28.8 F)16 December 1915
7LaghouatAlgeria16.0 C (28.8 F)1 April 1926
8ConstantineAlgeria16.0 C (28.8 F)12 September 1932
9Bordj-Bou-ArreridjAlgeria15.4 C (27.7 F)16 July 1996
10SkikdaAlgeria15.1 C (27.2 F)20 May 1983

Biggest one day drop in the daily maximum

The largest decrease in the daily maximum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.

Biggest one day drop in the daily maximum, Algeria
RankStationCountryValueDate
1ConstantineAlgeria21.0 C (37.8 F)27 August 1888
2In-AmenasAlgeria19.7 C (35.5 F)14 March 1962
3Ksar ChellalaAlgeria19.6 C (35.3 F)6 May 2003
4El-GoleaAlgeria19.4 C (34.9 F)26 March 1964
5Algiers-Ville/UniversiteAlgeria19.0 C (34.2 F)9 May 1914
6Tizi OuzouAlgeria19.0 C (34.2 F)16 September 1928
7Orleansville (Chlef)Algeria18.0 C (32.4 F)10 July 1887
8Sidi-Bel-AbbesAlgeria18.0 C (32.4 F)12 May 1908
9Geryville (El-Bayadh)Algeria18.0 C (32.4 F)16 October 1927
10Fort NationalAlgeria18.0 C (32.4 F)16 September 1928

Biggest one day rise in the daily minimum

The largest increase in the daily minimum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.

Biggest one day rise in the daily minimum, Algeria
RankStationCountryValueDate
1Alger-Dar El BeidaAlgeria17.4 C (31.3 F)23 February 1978
2Sidi-Bel-AbbesAlgeria15.0 C (27.0 F)16 November 1887
3Geryville (El-Bayadh)Algeria15.0 C (27.0 F)7 July 1897
4In-AmenasAlgeria15.0 C (27.0 F)18 February 1959
5El-GoleaAlgeria15.0 C (27.0 F)22 December 1981
6El-BayadhAlgeria14.2 C (25.6 F)24 September 2014
7Beni-AbbesAlgeria14.1 C (25.4 F)2 August 1989
8GuelmaAlgeria14.1 C (25.4 F)30 November 2010
9Tizi OuzouAlgeria14.0 C (25.2 F)31 March 1932
10ConstantineAlgeria14.0 C (25.2 F)28 September 1937

Biggest one day drop in the daily minimum

The largest decrease in the daily minimum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.

Biggest one day drop in the daily minimum, Algeria
RankStationCountryValueDate
1SetifAlgeria15.2 C (27.4 F)18 September 1881
2Geryville (El-Bayadh)Algeria15.0 C (27.0 F)8 June 1898
3LaghouatAlgeria15.0 C (27.0 F)14 July 1910
4TebessaAlgeria15.0 C (27.0 F)16 August 1917
5ConstantineAlgeria15.0 C (27.0 F)30 August 1917
6BiskraAlgeria15.0 C (27.0 F)5 September 1978
7TamanrassetAlgeria14.9 C (26.8 F)23 April 1952
8In-AmenasAlgeria14.3 C (25.7 F)22 March 1971
9Beni-SafAlgeria14.0 C (25.2 F)13 November 1980
10NoumeratAlgeria14.0 C (25.2 F)24 May 1985

Widest range between the high and the low of one day

The largest difference between the highest and the lowest temperature of the same day. Values are in degrees Celsius with Fahrenheit beside them.

Widest range between the high and the low of one day, Algeria
RankStationCountryValueDate
1Sidi-Bel-AbbesAlgeria34.0 C (61.2 F)2 September 1885
2Orleansville (Chlef)Algeria33.0 C (59.4 F)28 April 1888
3Tizi OuzouAlgeria33.0 C (59.4 F)11 August 1926
4TebessaAlgeria31.0 C (55.8 F)12 August 1889
5BiskraAlgeria31.0 C (55.8 F)2 August 1892
6Geryville (El-Bayadh)Algeria31.0 C (55.8 F)24 September 1901
7JijelAlgeria30.6 C (55.1 F)25 July 1998
8LaghouatAlgeria30.0 C (54.0 F)21 February 1903
9ConstantineAlgeria30.0 C (54.0 F)18 June 1908
10Sidi-Bel-AbbesAlgeria29.2 C (52.6 F)29 March 2015

Only stations with at least 10 complete years are listed, and a station appears once per list.

Download the Data

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-13. Trends and counts are computed by this site from daily station records. The long-record station set is described under each chart.