Weather and climate in Algiers (Algeria)

The climate of Algiers is Mediterranean, with mild, rainy winters and hot, sunny summers.
The city is the capital of Algeria and is located in the north of the country, on the Mediterranean coast.
In winter, it is cold on clear nights, especially in the southern suburbs (which are further from the sea), while the days are usually mild.
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. However, snow is much more frequent in the mountains behind the city, where there are ski resorts.
The coldest record is -3 °C (26.5 °F), set in January 1985.
In summer, the weather is usually hot and sunny, with the breeze blowing from the sea.
Throughout the year, the temperature can experience sudden increases when the wind blows from the desert. In August 1988 the temperature reached 47.5 °C (117.5 °F), while in July 2023 all records were broken: the temperature exceeded 44 °C (111 °F) for four days, and reached a maximum of 48.7 °C (119.7 °F).
Precipitation totals 600 mm (23.5 in) per year, and follows the typical Mediterranean pattern: the wettest period is from November to January, while it rains very rarely in summer.

Algiers - Climate data

The average temperature of the coldest month (January) is of 11.2 °C (52.1 °F), that of the warmest month (August) is of 26.6 °C (79.8 °F). Here are the average temperatures.
Precipitation amounts to 600 millimeters (23.6 inches) per year: so, it is at an intermediate level. It ranges from 5 mm (0.2 in) in the driest month (July) to 90 mm (3.5 in) in the wettest ones (November, December) Here is the average precipitation.
The sea temperature ranges from 15 °C (59 °F) in February to 25.5 °C (78 °F) in August. Here are the average sea temperatures.
There are on average around 2775 sunshine hours per year. Here are the average hours of sunshine per day.

Algiers - 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 11.2 °C (52 °F), with a minimum of 5.3 °C (41.5 °F) and a maximum of 17.1 °C (62.7 °F).
On the coldest nights of the month, the temperature usually drops to around 0.5 °C (32.5 °F). However, it dropped to -2.1 °C (28.2 °F) in January 2005.
On the warmest days of the month, the temperature usually reaches around 23 °C (73.5 °F). However, it reached 29 °C (84.2 °F) in January 1995.
Precipitation amounts to 80 mm (3.1 in), distributed over 11 days.
The day lasts on average 10 hours and 0 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 9 kph (5 mph).
The average sea temperature is of 15.5 °C (60 °F). Therefore, the sea is cold for swimming.

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February is generally a mild month. The average temperature is of 11.4 °C (53 °F), with a minimum of 5.3 °C (41.6 °F) and a maximum of 17.5 °C (63.4 °F).
On the coldest nights of the month, the temperature usually drops to around 0.5 °C (32.5 °F). However, it dropped to -1.4 °C (29.5 °F) in February 1996.
On the warmest days of the month, the temperature usually reaches around 24 °C (75 °F). However, it reached 31.3 °C (88.3 °F) in February 2010.
Precipitation amounts to 75 mm (3 in), distributed over 10 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
The average sea temperature is of 15 °C (59 °F). Therefore, the sea is cold for swimming.

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March is generally a mild month. The average temperature is of 13.5 °C (56 °F), with a minimum of 7.2 °C (44.9 °F) and a maximum of 19.8 °C (67.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 1.5 °C (34.5 °F). However, it dropped to -1 °C (30.2 °F) in March 2005.
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 36.3 °C (97.3 °F) in March 2001.
Precipitation amounts to 55 mm (2.2 in), distributed over 9 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 15.5 °C (59.5 °F). Therefore, the sea is cold for swimming.

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April is generally a very mild month. The average temperature is of 15.4 °C (60 °F), with a minimum of 9 °C (48.3 °F) and a maximum of 21.8 °C (71.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 3.5 °C (38.5 °F). However, it dropped to 0.5 °C (32.9 °F) in April 1995.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 29 °C (84 °F). However, it reached 31.7 °C (89.1 °F) in April 2009.
Precipitation amounts to 60 mm (2.4 in), distributed over 11 days.
The day lasts on average 13 hours and 10 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 16.5 °C (61.5 °F). Therefore, the sea is cold for swimming.

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May is generally a warm month. The average temperature is of 18.7 °C (66 °F), with a minimum of 12.4 °C (54.3 °F) and a maximum of 25 °C (77 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6.5 °C (43.5 °F). However, it dropped to 2.8 °C (37 °F) in May 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 33 °C (91.5 °F). However, it reached 41.1 °C (106 °F) in May 2009.
Precipitation amounts to 40 mm (1.6 in), distributed over 7 days.
The day lasts on average 14 hours and 10 minutes. So the days are long.
There are on average 9.5 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 18.5 °C (65 °F). Therefore, the sea is very cool for swimming.

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June is generally a warm month. The average temperature is of 22.5 °C (73 °F), with a minimum of 16.1 °C (60.9 °F) and a maximum of 29 °C (84.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 10.5 °C (51 °F). However, it dropped to 5.5 °C (41.9 °F) in June 2006.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 36.5 °C (97.5 °F). However, it reached 44 °C (111.2 °F) in June 2012.
Precipitation amounts to only 9 mm (0.4 in), distributed over 3 days.
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.
There are on average 10 hours of sunshine per day. So, the sun shines 69% of the time.
The average humidity is 68%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 21.5 °C (70.5 °F). Therefore, the sea is cool for swimming.

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July is generally a warm to hot month. The average temperature is of 25.7 °C (78 °F), with a minimum of 19.3 °C (66.7 °F) and a maximum of 32 °C (89.7 °F).
On the coldest nights of the month, the temperature usually drops to around 14 °C (57.5 °F). However, it dropped to 9 °C (48.2 °F) in July 2013.
On the warmest days of the month, the temperature usually reaches around 39 °C (102 °F). However, it reached 44 °C (111.2 °F) in July 1999.
Precipitation amounts to only 5 mm (0.2 in), distributed over 2 days.
The day lasts on average 14 hours and 25 minutes. So the days are long.
There are on average 11.5 hours of sunshine per day. So, the sun shines 79% of the time.
The average humidity is 67%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 24 °C (75.5 °F). Therefore, the sea is warm enough for swimming.

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August, the hottest month of the year, is generally a warm to hot month. The average temperature is of 26.6 °C (80 °F), with a minimum of 20.3 °C (68.5 °F) and a maximum of 32.9 °C (91.1 °F).
On the coldest nights of the month, the temperature usually drops to around 15.5 °C (60 °F). However, it dropped to 12 °C (53.6 °F) in August 2005.
On the warmest days of the month, the temperature usually reaches around 39.5 °C (103 °F). However, it reached 45.6 °C (114.1 °F) in August 1999.
Precipitation amounts to only 8 mm (0.3 in), distributed over 3 days.
The day lasts on average 13 hours and 30 minutes.
There are on average 10.5 hours of sunshine per day. So, the sun shines 78% of the time.
The average humidity is 67%.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 25.5 °C (78 °F). Therefore, the sea is warm enough for swimming.

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September is generally a warm to hot month. The average temperature is of 23.8 °C (75 °F), with a minimum of 17.8 °C (64 °F) and a maximum of 29.8 °C (85.6 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 12.5 °C (54.5 °F). However, it dropped to 9.3 °C (48.7 °F) in September 2005.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 37 °C (98 °F). However, it reached 43 °C (109.4 °F) in September 2004.
Precipitation amounts to 30 mm (1.2 in), distributed over 5 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 70%.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 24.5 °C (76.5 °F). Therefore, the sea is warm enough for swimming.

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October is generally a warm month. The average temperature is of 20.3 °C (69 °F), with a minimum of 14.1 °C (57.4 °F) and a maximum of 26.5 °C (79.8 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 8.5 °C (47 °F). However, it dropped to 3 °C (37.4 °F) in October 2009.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 34 °C (93.5 °F). However, it reached 39.4 °C (102.9 °F) in October 2001.
Precipitation amounts to 60 mm (2.4 in), distributed over 9 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).
The average sea temperature is of 22.5 °C (72 °F). Therefore, the sea can be considered barely acceptable for swimming.

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November is generally a very mild month. The average temperature is of 15.5 °C (60 °F), with a minimum of 9.8 °C (49.6 °F) and a maximum of 21.2 °C (70.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4 °C (39 °F). However, it dropped to 0 °C (32 °F) in November 2001.
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 32.8 °C (91 °F) in November 2016.
Precipitation amounts to 90 mm (3.5 in), distributed over 11 days.
The day lasts on average 10 hours and 10 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
The average sea temperature is of 19.5 °C (67 °F). Therefore, the sea is very cool for swimming.

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December is generally a mild month. The average temperature is of 12.4 °C (54 °F), with a minimum of 6.7 °C (44 °F) and a maximum of 18.1 °C (64.6 °F).
On the coldest nights of the month, the temperature usually drops to around 1.5 °C (35 °F). However, it dropped to -1.9 °C (28.6 °F) in December 1996.
On the warmest days of the month, the temperature usually reaches around 24 °C (75 °F). However, it reached 29 °C (84.2 °F) in December 2002.
Precipitation amounts to 90 mm (3.5 in), distributed over 12 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.
There are on average 4.5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 9 kph (5 mph).
The average sea temperature is of 17 °C (62.5 °F). Therefore, the sea is cold for swimming.