Climate - In Salah (Algeria)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - In Salah
The climate of In Salah is subtropical desert, with very mild winters (but during which it can get cold at night) and very hot, sunny summers.
The city is located in the center of Algeria, at 280 meters (920 feet) above sea level.
In Salah is one of the hottest, driest and sunniest cities in the world.
In Salah - Climate data
In In Salah, the average temperature of the coldest month (January) is of 14.7 °C (58.5 °F), that of the warmest month (July) is of 38.4 °C (101.2 °F). Here are the average temperatures.In Salah - Average temperatures (2000-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 7.3 | 22.1 | 14.7 | 45 | 72 | 58.5 |
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| February | 10 | 24.9 | 17.5 | 50 | 77 | 63.4 |
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| March | 14 | 30 | 22 | 57 | 86 | 71.6 |
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| April | 18.4 | 34.5 | 26.5 | 65 | 94 | 79.6 |
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| May | 24 | 39.3 | 31.7 | 75 | 103 | 89 |
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| June | 28 | 43.6 | 35.8 | 82 | 110 | 96.4 |
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| July | 31.1 | 45.8 | 38.4 | 88 | 114 | 101.2 |
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| August | 30.5 | 44.5 | 37.5 | 87 | 112 | 99.6 |
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| September | 27.3 | 41.7 | 34.5 | 81 | 107 | 94.1 |
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| October | 21.4 | 35.5 | 28.5 | 71 | 96 | 83.2 |
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| November | 13.3 | 27.8 | 20.5 | 56 | 82 | 68.9 |
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| December | 9.3 | 23 | 16.2 | 49 | 73 | 61.1 |
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| Year | 19.6 | 34.4 | 26.95 | 67.3 | 94 | 80.5 |
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In In Salah, precipitation amounts to 15 millimeters (0.6 inches) per year: it is therefore at a desert level. On average, it never exceeds 5 mm (0.2 in) per month.In Salah - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 4 | 0.1 | 1 |
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| February | 4 | 0.1 | 1 |
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| March | 1 | 0 | 1 |
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| April | 2 | 0.1 | 1 |
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| May | 0 | 0 | 2 |
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| June | 0 | 0 | 0 |
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| July | 0 | 0 | 0 |
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| August | 0 | 0 | 0 |
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| September | 0 | 0 | 1 |
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| October | 1 | 0 | 1 |
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| November | 0 | 0 | 1 |
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| December | 3 | 0.1 | 1 |
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| Year | 15 | 0.6 | 9 |
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In In Salah, there are on average around 3830 sunshine hours per year. Here are the average hours of sunshine per day.
In Salah - Sunshine hours| Month | Average | Total |
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January | 9 | 275 | February | 9.5 | 265 | March | 10.5 | 330 | April | 11 | 335 | May | 11.5 | 355 | June | 11.5 | 350 | July | 12 | 380 | August | 12 | 370 | September | 11 | 325 | October | 10 | 305 | November | 9.5 | 280 | December | 8.5 | 265 | Year | 10.5 | 3830 |
In Salah - Weather by month
Based on the period 2000-2020
In January, the coldest month of the year, the weather in In Salah is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 14.7 °C (58 °F), with a minimum of 7.3 °C (45.2 °F) and a maximum of 22.1 °C (71.8 °F).
On the coldest nights of the month, the temperature usually drops to around 1 °C (33.5 °F). However, it dropped to -2.8 °C (27 °F) in January 2020.
On the warmest days of the month, the temperature usually reaches around 27 °C (81 °F). However, it reached 35 °C (95 °F) in January 2007.
Precipitation amounts to only 4 mm (0.2 in), and all occurs in one day.
The day lasts on average 10 hours and 40 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 83% of the time.
The average humidity is 36%.
The average wind speed is 18 kph (11 mph).
In February, the weather in In Salah is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 17.5 °C (63 °F), with a minimum of 10 °C (50 °F) and a maximum of 24.9 °C (76.9 °F).
On the coldest nights of the month, the temperature usually drops to around 3 °C (37.5 °F). However, it dropped to -3 °C (26.6 °F) in February 2012.
On the warmest days of the month, the temperature usually reaches around 32 °C (89.5 °F). However, it reached 39 °C (102.2 °F) in February 2010.
Precipitation amounts to only 4 mm (0.2 in), and all occurs in one day.
The day lasts on average 11 hours and 20 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 83% of the time.
The average humidity is 29%. Hence, the air is normally dry.
The average wind speed is 19 kph (12 mph).
In March, the weather in In Salah is usually warm. However, there are remarkable differences between night and day. The average temperature is of 22.0 °C (72 °F), with a minimum of 14 °C (57.2 °F) and a maximum of 30 °C (85.9 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6 °C (43 °F). However, it dropped to 3.3 °C (37.9 °F) in March 2018.
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 40 °C (104 °F) in March 2010.
Precipitation amounts to only 1 mm (0 in), and all occurs in one day.
The day lasts on average 12 hours and 0 minutes.
There are on average 10.5 hours of sunshine per day. So, the sun shines 88% of the time.
The average humidity is 23%. Hence, the air is normally dry.
The average wind speed is 19 kph (12 mph).
In April, the weather in In Salah is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 26.5 °C (80 °F), with a minimum of 18.4 °C (65.1 °F) and a maximum of 34.5 °C (94.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 11.5 °C (53 °F). However, it dropped to 8 °C (46.4 °F) in April 2012.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 40.5 °C (105.5 °F). However, it reached 44.1 °C (111.4 °F) in April 2016.
Precipitation amounts to only 2 mm (0.1 in), and all occurs in one day.
The day lasts on average 12 hours and 50 minutes.
There are on average 11 hours of sunshine per day. So, the sun shines 86% of the time.
The average humidity is 19%. Hence, the air is normally dry.
The average wind speed is 20 kph (12 mph).
In May, the weather in In Salah is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 31.7 °C (89 °F), with a minimum of 24 °C (75.2 °F) and a maximum of 39.3 °C (102.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 16 °C (61 °F). However, it dropped to 11 °C (51.8 °F) in May 2012.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 44.5 °C (112 °F). However, it reached 47 °C (116.6 °F) in May 2016.
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 13 hours and 30 minutes.
There are on average 11.5 hours of sunshine per day. So, the sun shines 84% of the time.
The average humidity is 17%. Hence, the air is normally dry.
The average wind speed is 22 kph (14 mph).
In June, the weather in In Salah is usually scorchingly hot. However, there are remarkable differences between night and day. The average temperature is of 35.8 °C (96 °F), with a minimum of 28 °C (82.5 °F) and a maximum of 43.6 °C (110.4 °F).
On the coldest nights, the temperature usually drops to around 21.5 °C (70.5 °F). However, it dropped to 18 °C (64.4 °F) in June 2011.
On the warmest days, the temperature usually reaches around 47.5 °C (117.5 °F). However, it reached 49.3 °C (120.7 °F) in June 2014.
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 13 hours and 50 minutes. 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 84% of the time.
The average humidity is 15%. Hence, the air is normally dry.
The average wind speed is 21 kph (13 mph).
In July, the hottest month of the year, the weather in In Salah is usually scorchingly hot. However, there are remarkable differences between night and day. The average temperature is of 38.4 °C (101 °F), with a minimum of 31.1 °C (88 °F) and a maximum of 45.8 °C (114.4 °F).
On the coldest nights of the month, the temperature usually drops to around 26.5 °C (79.5 °F). However, it dropped to 22.5 °C (72.5 °F) in July 2020.
On the warmest days of the month, the temperature usually reaches around 48.5 °C (119 °F). However, it reached 50.6 °C (123.1 °F) in July 2002.
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 13 hours and 35 minutes.
There are on average 12 hours of sunshine per day. So, the sun shines 90% of the time.
The average humidity is 13%. Hence, the air is normally dry.
The average wind speed is 22 kph (14 mph).
In August, the weather in In Salah is usually scorchingly hot. However, there are remarkable differences between night and day. The average temperature is of 37.5 °C (100 °F), with a minimum of 30.5 °C (87 °F) and a maximum of 44.5 °C (112.2 °F).
On the coldest nights of the month, the temperature usually drops to around 26 °C (79 °F). However, it dropped to 23 °C (73.4 °F) in August 2003.
On the warmest days of the month, the temperature usually reaches around 47 °C (117 °F). However, it reached 49.4 °C (120.9 °F) in August 2003.
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 13 hours and 0 minutes.
There are on average 12 hours of sunshine per day. So, the sun shines 92% of the time.
The average humidity is 15%. Hence, the air is normally dry.
The average wind speed is 22 kph (14 mph).
In September, the weather in In Salah is usually scorchingly hot. However, there are remarkable differences between night and day. The average temperature is of 34.5 °C (94 °F), with a minimum of 27.3 °C (81.1 °F) and a maximum of 41.7 °C (107 °F).
On the coldest nights, the temperature usually drops to around 21.5 °C (71 °F). However, it dropped to 18 °C (64.4 °F) in September 2004.
On the warmest days, the temperature usually reaches around 45.5 °C (113.5 °F). However, it reached 47.7 °C (117.9 °F) in September 1997.
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 12 hours and 20 minutes.
There are on average 11 hours of sunshine per day. So, the sun shines 88% of the time.
The average humidity is 20%. Hence, the air is normally dry.
The average wind speed is 19 kph (12 mph).
In October, the weather in In Salah is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 28.5 °C (83 °F), with a minimum of 21.4 °C (70.5 °F) and a maximum of 35.5 °C (96 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 14.5 °C (58.5 °F). However, it dropped to 11 °C (51.8 °F) in October 2010.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 40.5 °C (104.5 °F). However, it reached 45.3 °C (113.5 °F) in October 1999.
Precipitation amounts to only 1 mm (0 in), and all occurs in one day.
The day lasts on average 11 hours and 30 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 86% of the time.
The average humidity is 26%. Hence, the air is normally dry.
The average wind speed is 18 kph (11 mph).
In November, the weather in In Salah is usually warm. However, there are remarkable differences between night and day. The average temperature is of 20.5 °C (69 °F), with a minimum of 13.3 °C (55.9 °F) and a maximum of 27.8 °C (82 °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 2 °C (35.6 °F) in November 2008.
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 38.8 °C (101.8 °F) in November 2015.
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 10 hours and 50 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 86% of the time.
The average humidity is 32%. Hence, the air is normally dry.
The average wind speed is 16 kph (10 mph).
In December, the weather in In Salah is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 16.2 °C (61 °F), with a minimum of 9.3 °C (48.8 °F) and a maximum of 23 °C (73.4 °F).
On the coldest nights of the month, the temperature usually drops to around 2.5 °C (36.5 °F). However, it dropped to 0 °C (32 °F) in December 2005.
On the warmest days of the month, the temperature usually reaches around 28.5 °C (83.5 °F). However, it reached 33 °C (91.4 °F) in December 2010.
Precipitation amounts to only 3 mm (0.1 in), and all occurs in one day.
The day lasts on average 10 hours and 30 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 8.5 hours of sunshine per day. So, the sun shines 81% of the time.
The average humidity is 38%.
The average wind speed is 18 kph (11 mph).
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