Climate in Chlef (Algeria)

The climate of Chlef (formerly known as Orléansville) is subtropical, with mild, relatively rainy winters and very hot, sunny summers.
The city is located in northwestern Algeria, 40 km (25 mi) away from the sea.
Even though the winter is mild, at night it gets quite cold, moreover, from time to time there can be outbreaks of cold air from the north. Occasionally, as in January 2005 and February 2012, it can even snow.
In summer, the distance from the sea is enough to have very hot days. Furthermore, when the wind blows from the south, the temperature can reach or exceed 45 °C (113 °F). In July 2015 and August 2021, the temperature reached 48 °C (118.5 °F), while in July 2023, it reached 48.3 °C (118.9 °F), with a minimum of 34.5 °C (94 °F).

Chlef - Climate data

In Chlef, the average temperature of the coldest month (January) is of 11.3 °C (52.3 °F), that of the warmest month (August) is of 30.5 °C (86.8 °F). Here are the average temperatures.
Precipitation amounts to 355 millimeters (14 inches) per year: it is therefore quite scarce. It ranges from 1.5 mm (0.1 in) in the driest month (July) to 55 mm (2.2 in) in the wettest one (November). Here is the average precipitation.

Chlef - Weather by month

Based on the period 1991-2020

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January, the coldest month of the year, is generally a mild month. The average temperature is of 11.3 °C (52 °F), with a minimum of 6.7 °C (44.1 °F) and a maximum of 15.9 °C (60.6 °F).
On the coldest nights of the month, the temperature usually drops to around 2 °C (35.5 °F). However, it dropped to 0 °C (32 °F) in January 2019.
On the warmest days of the month, the temperature usually reaches around 21.5 °C (70.5 °F). However, it reached 25.3 °C (77.5 °F) in January 2007.
Precipitation amounts to 45 mm (1.8 in), distributed over 10 days.
The day lasts on average 10 hours and 0 minutes.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).

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February is generally a mild month. The average temperature is of 12 °C (54 °F), with a minimum of 6.8 °C (44.3 °F) and a maximum of 17.2 °C (63 °F).
On the coldest nights of the month, the temperature usually drops to around 2.5 °C (36 °F). However, it dropped to -1 °C (30.2 °F) in February 2012.
On the warmest days of the month, the temperature usually reaches around 23.5 °C (74 °F). However, it reached 29.3 °C (84.7 °F) in February 2010.
Precipitation amounts to 50 mm (2 in), distributed over 8 days.
The day lasts on average 10 hours and 55 minutes.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).

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March is generally a very mild month. The average temperature is of 14.7 °C (58 °F), with a minimum of 9 °C (48.3 °F) and a maximum of 20.4 °C (68.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 4 °C (39 °F). However, it dropped to 0.2 °C (32.4 °F) in March 2018.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 28 °C (82.5 °F). However, it reached 35.7 °C (96.3 °F) in March 2001.
Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 66%.
The average wind speed is 11 kph (7 mph).

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April is generally a very mild month. The average temperature is of 17.2 °C (63 °F), with a minimum of 10.8 °C (51.5 °F) and a maximum of 23.6 °C (74.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 5.5 °C (42 °F). However, it dropped to 0.9 °C (33.6 °F) in April 2002.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 32.5 °C (90.5 °F). However, it reached 38.2 °C (100.8 °F) in April 2003.
Precipitation amounts to 40 mm (1.6 in), distributed over 8 days.
The day lasts on average 13 hours and 10 minutes.
The average humidity is 62%.
The average wind speed is 11 kph (7 mph).

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May is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 21.6 °C (71 °F), with a minimum of 14.8 °C (58.6 °F) and a maximum of 28.5 °C (83.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 9.5 °C (49 °F). However, it dropped to 3.8 °C (38.8 °F) in May 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 37.5 °C (99 °F). However, it reached 43.8 °C (110.8 °F) in May 1994.
Precipitation amounts to 20 mm (0.8 in), distributed over 4 days.
The day lasts on average 14 hours and 5 minutes. So the days are long.
The average humidity is 53%.
The average wind speed is 11 kph (7 mph).

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June is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 26.4 °C (79 °F), with a minimum of 19 °C (66.2 °F) and a maximum of 33.7 °C (92.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 13.5 °C (56.5 °F). However, it dropped to 10.6 °C (51.1 °F) in June 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 42 °C (108 °F). However, it reached 45.3 °C (113.5 °F) in June 1994.
Precipitation amounts to only 7.6 mm (0.3 in), and all occurs in one day.
The day lasts on average 14 hours and 35 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
The average humidity is 43%.
The average wind speed is 12 kph (7 mph).

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July is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 30.3 °C (87 °F), with a minimum of 22.6 °C (72.7 °F) and a maximum of 38 °C (100.4 °F).
On the coldest nights of the month, the temperature usually drops to around 18.5 °C (65 °F). However, it dropped to 15 °C (59 °F) in July 2002.
On the warmest days of the month, the temperature usually reaches around 44 °C (111.5 °F). However, it reached 48 °C (118.4 °F) in July 2015.
Precipitation amounts to only 1.5 mm (0.1 in), and all occurs in one day.
The day lasts on average 14 hours and 20 minutes. So the days are long.
The average humidity is 38%.
The average wind speed is 11 kph (7 mph).

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August, the hottest month of the year, is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 30.5 °C (87 °F), with a minimum of 23.1 °C (73.6 °F) and a maximum of 37.8 °C (100.1 °F).
On the coldest nights of the month, the temperature usually drops to around 19 °C (66 °F). However, it dropped to 13.4 °C (56.1 °F) in August 1992.
On the warmest days of the month, the temperature usually reaches around 43.5 °C (110.5 °F). However, it reached 46.6 °C (115.9 °F) in August 2001.
Precipitation amounts to only 4.2 mm (0.2 in), and all occurs in one day.
The day lasts on average 13 hours and 30 minutes.
The average humidity is 41%.
The average wind speed is 11 kph (7 mph).

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September is generally a warm to hot month. The average temperature is of 26.3 °C (79 °F), with a minimum of 19.9 °C (67.8 °F) and a maximum of 32.7 °C (90.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 15 °C (59 °F). However, it dropped to 11 °C (51.8 °F) in September 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 39 °C (102 °F). However, it reached 42.3 °C (108.1 °F) in September 2012.
Precipitation amounts to 12.5 mm (0.5 in), distributed over 3 days.
The day lasts on average 12 hours and 25 minutes.
The average humidity is 52%.
The average wind speed is 10 kph (6 mph).

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October is generally a warm month. The average temperature is of 21.7 °C (71 °F), with a minimum of 15.8 °C (60.5 °F) and a maximum of 27.5 °C (81.5 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 10 °C (50.5 °F). However, it dropped to 6 °C (42.8 °F) in October 2018.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 35 °C (95 °F). However, it reached 38.1 °C (100.6 °F) in October 2012.
Precipitation amounts to 30 mm (1.2 in), distributed over 5 days.
The day lasts on average 11 hours and 10 minutes.
The average humidity is 59%.
The average wind speed is 9 kph (6 mph).

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November is generally a very mild month. The average temperature is of 15.8 °C (60 °F), with a minimum of 11 °C (51.8 °F) and a maximum of 20.5 °C (68.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 6 °C (43 °F). However, it dropped to 3 °C (37.4 °F) in November 1996.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 28 °C (82.5 °F). However, it reached 32 °C (89.6 °F) in November 2016.
Precipitation amounts to 55 mm (2.2 in), distributed over 8 days.
The day lasts on average 10 hours and 10 minutes.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).

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December is generally a mild month. The average temperature is of 12.4 °C (54 °F), with a minimum of 8 °C (46.3 °F) and a maximum of 16.9 °C (62.5 °F).
On the coldest nights of the month, the temperature usually drops to around 3 °C (37.5 °F). However, it dropped to 0 °C (32 °F) in December 2010.
On the warmest days of the month, the temperature usually reaches around 22 °C (72 °F). However, it reached 26 °C (78.8 °F) in December 1996.
Precipitation amounts to 40 mm (1.6 in), distributed over 7 days.
The day lasts on average 9 hours and 40 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).