Weather and climate in Annaba (Algeria)

The climate of Annaba (formerly known as Bon) is Mediterranean, with mild, rainy winters and hot, sunny summers.
The city is located in the northeast of Algeria, on the Mediterranean coast.
Snow is extremely rare in the city, however, a snowfall occurred in January 2005. On the hills that lie west south of the city, however, it can sometimes snow.
Throughout the year, the temperature can experience sudden increases when the wind blows from the desert.
The temperature reached 47 °C (116.5 °F) in August 2021, 47.5 °C (117.5 °F) in July 1993 and 48 °C (118.5 °F) in July 2023.

Annaba - Climate data

The average temperature of the coldest month (February) is of 11.6 °C (52.9 °F), that of the warmest month (August) is of 26.0 °C (78.8 °F). Here are the average temperatures.
Precipitation amounts to 650 millimeters (25.6 inches) per year: so, it is at an intermediate level. It ranges from 2 mm (0.1 in) in the driest month (July) to 100 mm (3.9 in) in the wettest ones (November, December) Here is the average precipitation.
The sea temperature ranges from 15 °C (59 °F) in February, March to 26 °C (79 °F) in August. Here are the average sea temperatures.
There are on average around 2675 sunshine hours per year. Here are the average hours of sunshine per day.

Annaba - Weather by month

Based on the period 1991-2020

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January is generally a mild month. The average temperature is of 11.7 °C (53 °F), with a minimum of 6.8 °C (44.2 °F) and a maximum of 16.5 °C (61.8 °F).
On the coldest nights of the month, the temperature usually drops to around 2 °C (36 °F). However, it dropped to -1.8 °C (28.8 °F) in January 2010.
On the warmest days of the month, the temperature usually reaches around 22 °C (71.5 °F). However, it reached 27 °C (80.6 °F) in January 2001.
Precipitation amounts to 90 mm (3.5 in), distributed over 13 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 78%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 15.5 °C (60 °F). Therefore, the sea is cold for swimming.

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February, the coldest month of the year, is generally a mild month. The average temperature is of 11.6 °C (53 °F), with a minimum of 6.5 °C (43.8 °F) and a maximum of 16.6 °C (62 °F).
On the coldest nights of the month, the temperature usually drops to around 1.5 °C (35 °F). However, it dropped to -3 °C (26.6 °F) in February 2013.
On the warmest days of the month, the temperature usually reaches around 23.5 °C (74 °F). However, it reached 29 °C (84.2 °F) in February 2004.
Precipitation amounts to 75 mm (3 in), distributed over 11 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 14 kph (8 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 8.1 °C (46.6 °F) and a maximum of 18.8 °C (65.9 °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 °C (32 °F) in March 2005.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 27.5 °C (81.5 °F). However, it reached 36.4 °C (97.5 °F) in March 2001.
Precipitation amounts to 65 mm (2.6 in), distributed over 10 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 53% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 15 °C (59 °F). Therefore, the sea is cold for swimming.

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April is generally a very mild month. The average temperature is of 15.5 °C (60 °F), with a minimum of 9.9 °C (49.8 °F) and a maximum of 21 °C (69.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 4.5 °C (40 °F). However, it dropped to 2 °C (35.6 °F) in April 2004.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 30 °C (85.5 °F). However, it reached 38 °C (100.4 °F) in April 1999.
Precipitation amounts to 50 mm (2 in), distributed over 13 days.
The day lasts on average 13 hours and 10 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 16 °C (61 °F). Therefore, the sea is cold for swimming.

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May is generally a warm month. The average temperature is of 18.6 °C (66 °F), with a minimum of 13 °C (55.4 °F) and a maximum of 24.3 °C (75.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 8 °C (46.5 °F). However, it dropped to 5 °C (41 °F) in May 2003.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 33.5 °C (92.5 °F). However, it reached 41 °C (105.8 °F) in May 2015.
Precipitation amounts to 50 mm (2 in), distributed over 7 days.
The day lasts on average 14 hours and 10 minutes. So the days are long.
There are on average 8.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 18 °C (65 °F). Therefore, the sea is cold for swimming.

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June is generally a warm month. The average temperature is of 22.3 °C (72 °F), with a minimum of 16.5 °C (61.8 °F) and a maximum of 28 °C (82.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 12 °C (53.5 °F). However, it dropped to 9.4 °C (48.9 °F) in June 2013.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 37 °C (98.5 °F). However, it reached 44 °C (111.2 °F) in June 1998.
Precipitation amounts to 11 mm (0.4 in), distributed over 4 days.
The day lasts on average 14 hours and 40 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 68% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 14 kph (8 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, muggy month. The average temperature is of 25.0 °C (77 °F), with a minimum of 19.2 °C (66.5 °F) and a maximum of 30.9 °C (87.6 °F).
On the coldest nights of the month, the temperature usually drops to around 15 °C (59.5 °F). However, it dropped to 12.2 °C (54 °F) in July 1991.
On the warmest days of the month, the temperature usually reaches around 40.5 °C (105 °F). However, it reached 47.5 °C (117.5 °F) in July 1993.
Precipitation amounts to only 2 mm (0.1 in), and all occurs in one day.
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 78% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 24.5 °C (76 °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, muggy month. The average temperature is of 26.0 °C (79 °F), with a minimum of 20.3 °C (68.5 °F) and a maximum of 31.7 °C (89 °F).
On the coldest nights of the month, the temperature usually drops to around 16.5 °C (62 °F). However, it dropped to 13.9 °C (57 °F) in August 2011.
On the warmest days of the month, the temperature usually reaches around 39.5 °C (103 °F). However, it reached 45 °C (113 °F) in August 2004.
Precipitation amounts to 12 mm (0.5 in), distributed over 3 days.
The day lasts on average 13 hours and 30 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 76% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 14 kph (8 mph).
The average sea temperature is of 26 °C (78.5 °F). Therefore, the sea is warm enough for swimming.

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September is generally a warm to hot, muggy month. The average temperature is of 23.7 °C (75 °F), with a minimum of 18.4 °C (65.1 °F) and a maximum of 29 °C (84.3 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 13.5 °C (56.5 °F). However, it dropped to 7.3 °C (45.1 °F) in September 2009.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 37 °C (99 °F). However, it reached 43.2 °C (109.8 °F) in September 2008.
Precipitation amounts to 45 mm (1.8 in), distributed over 9 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 67% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 25 °C (77 °F). Therefore, the sea is warm enough for swimming.

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October is generally a warm month. The average temperature is of 20.6 °C (69 °F), with a minimum of 15 °C (59.1 °F) and a maximum of 26.2 °C (79.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 9.5 °C (49.5 °F). However, it dropped to 6.5 °C (43.7 °F) in October 2000.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 34.5 °C (94 °F). However, it reached 41 °C (105.8 °F) in October 2006.
Precipitation amounts to 60 mm (2.4 in), distributed over 10 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 58% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 22.5 °C (73 °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 16.1 °C (61 °F), with a minimum of 11 °C (51.7 °F) and a maximum of 21.3 °C (70.3 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 6 °C (42.5 °F). However, it dropped to 0 °C (32 °F) in November 1997.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 28.5 °C (83.5 °F). However, it reached 32.6 °C (90.7 °F) in November 2016.
Precipitation amounts to 100 mm (3.9 in), distributed over 13 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 13 kph (8 mph).
The average sea temperature is of 20 °C (67.5 °F). Therefore, the sea is very cool for swimming.

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December is generally a mild month. The average temperature is of 12.8 °C (55 °F), with a minimum of 7.9 °C (46.3 °F) and a maximum of 17.7 °C (63.9 °F).
On the coldest nights of the month, the temperature usually drops to around 3 °C (37 °F). However, it dropped to -2 °C (28.4 °F) in December 2001.
On the warmest days of the month, the temperature usually reaches around 23.5 °C (74.5 °F). However, it reached 29 °C (84.2 °F) in December 2010.
Precipitation amounts to 100 mm (3.9 in), distributed over 14 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 46% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 17 °C (63 °F). Therefore, the sea is cold for swimming.