Climate - Sousse (Tunisia)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Sousse (Tunisia)
The climate of Sousse is Mediterranean, with mild, relatively rainy winters and hot, sunny summers.
The city is located in the east of Tunisia, more or less at the latitude of Malta, in the southern part of the Gulf of Hammamet.
Owing to the proximity to the Sahara, heat waves are possible all year round, but especially in summer, with hot, dry winds able to bring sand and dust.
Although winter is mild, there can sometimes be cold periods, during which the temperature can drop to 2/3 °C (36/37 °F) at night and remain at around 10 °C (50 °F) during the day.
In summer, during invasions of hot air from the desert, which have become more frequent in recent years, the temperature can exceed 40 °C (104 °F). The record heat is 48 °C (118.5 °F), set in July 2023. In the latter month, the average maximum temperature was 37.6 °C (99.7 °F).
Sousse - Climate data
The average temperature of the coldest month (January) is of 12.7 °C (54.9 °F), that of the warmest month (August) is of 28.6 °C (83.5 °F). Here are the average temperatures.Sousse - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 8.7 | 16.7 | 12.7 | 48 | 62 | 54.9 |
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| February | 9.2 | 17 | 13.1 | 49 | 63 | 55.6 |
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| March | 11.3 | 19.3 | 15.3 | 52 | 67 | 59.5 |
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| April | 13.7 | 21.6 | 17.6 | 57 | 71 | 63.8 |
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| May | 17 | 25.2 | 21.2 | 63 | 77 | 70.1 |
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| June | 20.8 | 29.3 | 25 | 69 | 85 | 77 |
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| July | 23.4 | 32.4 | 27.9 | 74 | 90 | 82.2 |
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| August | 24.4 | 32.9 | 28.6 | 76 | 91 | 83.5 |
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| September | 22.2 | 29.6 | 25.9 | 72 | 85 | 78.7 |
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| October | 18.9 | 26.3 | 22.6 | 66 | 79 | 72.6 |
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| November | 13.7 | 21.7 | 17.7 | 57 | 71 | 63.9 |
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| December | 10 | 18 | 14 | 50 | 64 | 57.1 |
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| Year | 16.1 | 24.2 | 20.15 | 61.1 | 75.6 | 68 |
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Precipitation amounts to 330 millimeters (13 inches) per year: it is therefore scarce. It ranges from 5 mm (0.2 in) in the driest month (July) to 55 mm (2.2 in) in the wettest one (October). Here is the average precipitation.Sousse - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 35 | 1.4 | 6 |
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| February | 30 | 1.2 | 6 |
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| March | 30 | 1.2 | 5 |
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| April | 30 | 1.2 | 6 |
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| May | 15 | 0.6 | 4 |
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| June | 10 | 0.4 | 2 |
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| July | 5 | 0.2 | 1 |
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| August | 10 | 0.4 | 2 |
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| September | 35 | 1.4 | 4 |
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| October | 55 | 2.2 | 6 |
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| November | 35 | 1.4 | 5 |
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| December | 45 | 1.8 | 6 |
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| Year | 330 | 13 | 53 |
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The sea temperature ranges from 15 °C (59 °F) in February, March to 27 °C (81 °F) in August. Here are the average sea temperatures.Sousse - Sea temperature| Month | Celsius (°C) | Fahrenheit (°F) |
|---|
January | 16 | 61 | February | 15 | 59 | March | 15 | 59 | April | 16.5 | 62 | May | 19 | 66 | June | 22 | 72 | July | 25.5 | 78 | August | 27 | 80 | September | 26.5 | 79 | October | 24 | 76 | November | 21 | 70 | December | 18 | 64 | Year | 20.5 | 68.8 |
There are on average around 3220 sunshine hours per year. Here are the average hours of sunshine per day.
Sousse - Sunshine hours| Month | Average | Total |
|---|
January | 6 | 190 | February | 7 | 200 | March | 7.5 | 235 | April | 8.5 | 260 | May | 10 | 315 | June | 11.5 | 340 | July | 12.5 | 385 | August | 11.5 | 355 | September | 9.5 | 280 | October | 8 | 250 | November | 7 | 215 | December | 6 | 190 | Year | 8.8 | 3220 |
Sousse - Weather by month
Based on the period 1991-2020
January, the coldest month of the year, is generally a mild month. The average temperature is of 12.7 °C (55 °F), with a minimum of 8.7 °C (47.7 °F) and a maximum of 16.7 °C (62.1 °F).
On the coldest nights of the month, the temperature usually drops to around 4 °C (39 °F).
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 1995.
Precipitation amounts to 35 mm (1.4 in), distributed over 6 days.
The day lasts on average 10 hours and 5 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 16 °C (60.5 °F). Therefore, the sea is cold for swimming.
February is generally a mild month. The average temperature is of 13.1 °C (56 °F), with a minimum of 9.2 °C (48.5 °F) and a maximum of 17 °C (62.6 °F).
On the coldest nights of the month, the temperature usually drops to around 4.5 °C (40 °F). However, it dropped to 1 °C (33.8 °F) in February 1999.
On the warmest days of the month, the temperature usually reaches around 24 °C (75 °F). However, it reached 30 °C (86 °F) in February 1995.
Precipitation amounts to 30 mm (1.2 in), distributed over 6 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 65% of the time.
The average humidity is 69%.
The average wind speed is 17 kph (10 mph).
The average sea temperature is of 15 °C (59 °F). Therefore, the sea is cold for swimming.
March is generally a very mild month. The average temperature is of 15.3 °C (60 °F), with a minimum of 11.3 °C (52.4 °F) and a maximum of 19.3 °C (66.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6.5 °C (44 °F). However, it dropped to 4 °C (39.2 °F) in March 1995.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 28 °C (82 °F). However, it reached 37 °C (98.6 °F) in March 2001.
Precipitation amounts to 30 mm (1.2 in), distributed over 5 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 69%.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 15 °C (59 °F). Therefore, the sea is cold for swimming.
April is generally a very mild month. The average temperature is of 17.6 °C (64 °F), with a minimum of 13.7 °C (56.7 °F) and a maximum of 21.6 °C (70.9 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 9 °C (48.5 °F). However, it dropped to 5 °C (41 °F) in April 1993.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 30 °C (86.5 °F). However, it reached 36 °C (96.8 °F) in April 2006.
Precipitation amounts to 30 mm (1.2 in), distributed over 6 days.
The day lasts on average 13 hours and 10 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 69%.
The average wind speed is 18 kph (11 mph).
The average sea temperature is of 16.5 °C (61.5 °F). Therefore, the sea is cold for swimming.
May is generally a warm month. The average temperature is of 21.2 °C (70 °F), with a minimum of 17 °C (62.7 °F) and a maximum of 25.2 °C (77.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 13 °C (55.5 °F). However, it dropped to 10 °C (50 °F) in May 1992.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 35 °C (95.5 °F). However, it reached 43 °C (109.4 °F) in May 2006.
Precipitation amounts to 15 mm (0.6 in), distributed over 4 days.
The day lasts on average 14 hours and 5 minutes. So the days are long.
There are on average 10 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 67%.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 19 °C (66 °F). Therefore, the sea is very cool for swimming.
June is generally a warm to hot month. The average temperature is of 25.0 °C (77 °F), with a minimum of 20.8 °C (69.4 °F) and a maximum of 29.3 °C (84.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 17 °C (63 °F). However, it dropped to 13 °C (55.4 °F) in June 2007.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 38 °C (100 °F). However, it reached 47 °C (116.6 °F) in June 2003.
Precipitation amounts to 10 mm (0.4 in), distributed over 2 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 11.5 hours of sunshine per day. So, the sun shines 77% of the time.
The average humidity is 65%.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 22 °C (72 °F). Therefore, the sea is cool for swimming.
July is generally a very hot month. The average temperature is of 27.9 °C (82 °F), with a minimum of 23.4 °C (74.2 °F) and a maximum of 32.4 °C (90.2 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F). However, it dropped to 14 °C (57.2 °F) in July 2007.
On the warmest days of the month, the temperature usually reaches around 40.5 °C (105 °F). However, it reached 47 °C (116.6 °F) in July 2012.
Precipitation amounts to only 5 mm (0.2 in), and all occurs in one day.
The day lasts on average 14 hours and 20 minutes. So the days are long.
There are on average 12.5 hours of sunshine per day. So, the sun shines 87% of the time.
The average humidity is 63%.
The average wind speed is 15 kph (10 mph).
The average sea temperature is of 25.5 °C (77.5 °F). Therefore, the sea is warm enough for swimming.
August, the hottest month of the year, is generally a very hot month. The average temperature is of 28.6 °C (84 °F), with a minimum of 24.4 °C (75.8 °F) and a maximum of 32.9 °C (91.2 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (70 °F). However, it dropped to 20 °C (68 °F) in August 1995.
On the warmest days of the month, the temperature usually reaches around 41 °C (105.5 °F). However, it reached 47 °C (116.6 °F) in August 1999.
Precipitation amounts to 10 mm (0.4 in), distributed over 2 days.
The day lasts on average 13 hours and 25 minutes.
There are on average 11.5 hours of sunshine per day. So, the sun shines 86% of the time.
The average humidity is 65%.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 27 °C (80.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
September is generally a warm to hot month. The average temperature is of 25.9 °C (79 °F), with a minimum of 22.2 °C (72 °F) and a maximum of 29.6 °C (85.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 18 °C (64.5 °F). However, it dropped to 15 °C (59 °F) in September 2004.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 36.5 °C (98 °F). However, it reached 41 °C (105.8 °F) in September 1994.
Precipitation amounts to 35 mm (1.4 in), distributed over 4 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 76% of the time.
The average humidity is 70%.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 26.5 °C (79.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
October is generally a warm to hot, muggy month. The average temperature is of 22.6 °C (73 °F), with a minimum of 18.9 °C (66 °F) and a maximum of 26.3 °C (79.3 °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 10 °C (50 °F) in October 1991.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 33 °C (92 °F). However, it reached 40 °C (104 °F) in October 2003.
Precipitation amounts to 55 mm (2.2 in), distributed over 6 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 24 °C (75.5 °F). Therefore, the sea is warm enough for swimming.
November is generally a very mild month. The average temperature is of 17.7 °C (64 °F), with a minimum of 13.7 °C (56.7 °F) and a maximum of 21.7 °C (71.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 8.5 °C (47.5 °F). However, it dropped to 5 °C (41 °F) in November 1998.
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 31 °C (87.8 °F) in November 1998.
Precipitation amounts to 35 mm (1.4 in), distributed over 5 days.
The day lasts on average 10 hours and 20 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 69% of the time.
The average humidity is 70%.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 21 °C (70 °F). Therefore, the sea is cool for swimming.
December is generally a mild month. The average temperature is of 14.0 °C (57 °F), with a minimum of 10 °C (49.9 °F) and a maximum of 18 °C (64.4 °F).
On the coldest nights of the month, the temperature usually drops to around 4.5 °C (40 °F).
On the warmest days of the month, the temperature usually reaches around 23 °C (73.5 °F). However, it reached 30 °C (86 °F) in December 2009.
Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
The day lasts on average 9 hours and 50 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 6 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 69%.
The average wind speed is 15 kph (10 mph).
The average sea temperature is of 18 °C (64.5 °F). Therefore, the sea is cold for swimming.
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