Weather and climate in Atar (Mauritania)

Atar's climate is tropical desert, with a relatively cool period from December to February. From July to October, even if it is very hot, there may be some rare rain due to the African monsoon, which however normally remains further south.
The city is located in Mauritania, in the Adrar region, at 20 degrees North latitude and at an altitude of 225 meters (740 feet).

Atar - Climate data

The average temperature of the coldest month (January) is of 21.7 °C (71.1 °F), that of the warmest month (July) is of 35.9 °C (96.6 °F). Here are the average temperatures.
Precipitation amounts to 70 millimeters (2.8 inches) per year: it is therefore at a desert level. It ranges from 0 mm (0 in) in the driest month (May) to 20 mm (0.8 in) in the wettest ones (August, September) Here is the average precipitation.
There are on average around 3545 sunshine hours per year. Here are the average hours of sunshine per day.

Atar - Weather by month

Based on the period 1991-2020

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January, the coolest month of the year, is generally a warm month. The average temperature is of 21.7 °C (71 °F), with a minimum of 15.4 °C (59.7 °F) and a maximum of 28 °C (82.4 °F).
On the coldest nights of the month, the temperature usually drops to around 10 °C (50 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92.5 °F). However, it reached 37 °C (98.6 °F) in January 1991.
Precipitation amounts to only 2 mm (0.1 in), and all occurs in one day.
The day lasts on average 11 hours and 5 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 80% of the time.
The average humidity is 35%.
The average wind speed is 15 kph (9 mph).

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February is generally a warm to hot month. The average temperature is of 23.6 °C (75 °F), with a minimum of 17.2 °C (63 °F) and a maximum of 30.1 °C (86.2 °F).
On the coldest nights of the month, the temperature usually drops to around 12 °C (53.5 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (96 °F). However, it reached 39.5 °C (103.1 °F) in February 2010.
Precipitation amounts to only 3 mm (0.1 in), and all occurs in one day.
The day lasts on average 11 hours and 30 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 82% of the time.
The average humidity is 31%. Hence, the air is normally dry.
The average wind speed is 17 kph (10 mph).

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March is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 26.5 °C (80 °F), with a minimum of 19.7 °C (67.5 °F) and a maximum of 33.3 °C (91.9 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 14 °C (57.5 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 38 °C (100.5 °F). However, it reached 42.1 °C (107.8 °F) in March 1996.
Precipitation amounts to only 1 mm (0 in), distributed over 0 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 10.5 hours of sunshine per day. So, the sun shines 86% of the time.
The average humidity is 30%. Hence, the air is normally dry.
The average wind speed is 16 kph (10 mph).

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April is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 29.2 °C (85 °F), with a minimum of 22.4 °C (72.3 °F) and a maximum of 36.1 °C (97 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 16 °C (60.5 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 40.5 °C (105 °F). However, it reached 43.2 °C (109.8 °F) in April 2006.
Precipitation amounts to only 1 mm (0 in), distributed over 0 days.
The day lasts on average 12 hours and 35 minutes.
There are on average 11 hours of sunshine per day. So, the sun shines 86% of the time.
The average humidity is 30%. Hence, the air is normally dry.
The average wind speed is 14 kph (9 mph).

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May is generally a scorchingly hot month. However, there are remarkable differences between night and day. The average temperature is of 33.2 °C (92 °F), with a minimum of 26.7 °C (80.1 °F) and a maximum of 39.7 °C (103.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 21 °C (69.5 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 43 °C (109.5 °F). However, it reached 47 °C (116.6 °F) in May 1999.
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 5 minutes.
There are on average 11 hours of sunshine per day. So, the sun shines 84% of the time.
The average humidity is 30%. Hence, the air is normally dry.
The average wind speed is 15 kph (9 mph).

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June is generally a scorchingly hot month. The average temperature is of 35.6 °C (96 °F), with a minimum of 29.3 °C (84.7 °F) and a maximum of 42 °C (107.6 °F).
On the coldest nights, the temperature usually drops to around 24 °C (75.5 °F).
On the warmest days, the temperature usually reaches around 46 °C (115 °F). However, it reached 48 °C (118.4 °F) in June 2011.
Precipitation amounts to only 2 mm (0.1 in), distributed over 0 days.
The day lasts on average 13 hours and 25 minutes. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 11 hours of sunshine per day. So, the sun shines 81% of the time.
The average humidity is 31%. Hence, the air is normally dry.
The average wind speed is 16 kph (10 mph).

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July, the hottest month of the year, is generally a scorchingly hot month. The average temperature is of 35.9 °C (97 °F), with a minimum of 29.7 °C (85.5 °F) and a maximum of 42.1 °C (107.8 °F).
On the coldest nights of the month, the temperature usually drops to around 23 °C (73 °F).
On the warmest days of the month, the temperature usually reaches around 47.5 °C (118 °F). However, it reached 48.4 °C (119.1 °F) in July 2011.
Precipitation amounts to only 7 mm (0.3 in), and all occurs in one day.
The day lasts on average 13 hours and 10 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 78% of the time.
The average humidity is 33%. Hence, the air is normally dry.
The average wind speed is 15 kph (9 mph).

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August is generally a scorchingly hot month. The average temperature is of 35.6 °C (96 °F), with a minimum of 29.8 °C (85.6 °F) and a maximum of 41.3 °C (106.3 °F).
On the coldest nights of the month, the temperature usually drops to around 23 °C (73.5 °F).
On the warmest days of the month, the temperature usually reaches around 46.5 °C (116 °F). However, it reached 47.7 °C (117.9 °F) in August 1991.
Precipitation amounts to 20 mm (0.8 in), distributed over 2 days.
The day lasts on average 12 hours and 50 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 76% of the time.
The average humidity is 34%. Hence, the air is normally dry.
The average wind speed is 14 kph (8 mph).

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September is generally a scorchingly hot month. The average temperature is of 34.6 °C (94 °F), with a minimum of 28.8 °C (83.8 °F) and a maximum of 40.3 °C (104.5 °F).
On the coldest nights, the temperature usually drops to around 23 °C (73 °F).
On the warmest days, the temperature usually reaches around 45 °C (113 °F). However, it reached 46 °C (114.8 °F) in September 2004.
Precipitation amounts to 20 mm (0.8 in), distributed over 2 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 32%. Hence, the air is normally dry.
The average wind speed is 14 kph (9 mph).

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October is generally a very hot month. The average temperature is of 31 °C (88 °F), with a minimum of 24.8 °C (76.6 °F) and a maximum of 37.2 °C (99 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 18.5 °C (65.5 °F).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 40.5 °C (105.5 °F). However, it reached 43.6 °C (110.5 °F) in October 2007.
Precipitation amounts to only 7 mm (0.3 in), distributed over 0 days.
The day lasts on average 11 hours and 35 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 74% of the time.
The average humidity is 26%. Hence, the air is normally dry.
The average wind speed is 12 kph (8 mph).

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November is generally a warm to hot month. The average temperature is of 26.8 °C (80 °F), with a minimum of 20.6 °C (69.1 °F) and a maximum of 32.9 °C (91.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 14 °C (57 °F).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 37.5 °C (100 °F). However, it reached 39.5 °C (103.1 °F) in November 2011.
Precipitation amounts to only 3 mm (0.1 in), distributed over 0 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 81% of the time.
The average humidity is 33%. Hence, the air is normally dry.
The average wind speed is 13 kph (8 mph).

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December is generally a warm to hot month. The average temperature is of 22.9 °C (73 °F), with a minimum of 16.8 °C (62.2 °F) and a maximum of 29 °C (84.2 °F).
On the coldest nights of the month, the temperature usually drops to around 11 °C (52 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (96 °F). However, it reached 37.4 °C (99.3 °F) in December 2013.
Precipitation amounts to only 2 mm (0.1 in), distributed over 0 days.
The day lasts on average 10 hours and 55 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 79% of the time.
The average humidity is 36%.
The average wind speed is 14 kph (9 mph).