Climate - Bir Moghrein (Mauritania)

Bir Moghrein's climate is sub-tropical desert, with very mild, sunny winters and very hot summers.
The small town is located in northwestern Mauritania, at 370 meters (1,215 feet) above sea level, and near the border with Western Sahara.
We are in the area where the winds blow from the Atlantic Ocean, but the distance from the sea is sufficient to make them less cool than in the vicinity of the coast.

Bir Moghrein - Climate data

In Bir Moghrein, the average temperature of the coldest month (January) is of 16.8 °C (62.2 °F), that of the warmest month (August) is of 33.2 °C (91.8 °F). Here are the average temperatures.
In Bir Moghrein, precipitation amounts to 40 millimeters (1.6 inches) per year: it is therefore at a desert level. It ranges from 0 mm (0 in) in the driest months (May, June) to 12 mm (0.5 in) in the wettest one (September). Here is the average precipitation.

Bir Moghrein - Weather by month

Based on the period 1991-2018

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In January, the coldest month of the year, the weather in Bir Moghrein is usually very mild. The average temperature is of 16.8 °C (62 °F), with a minimum of 10.8 °C (51.4 °F) and a maximum of 22.8 °C (73 °F).
On the coldest nights of the month, the temperature usually drops to around 7.5 °C (46 °F).
On the warmest days of the month, the temperature usually reaches around 26.5 °C (80 °F).
Precipitation amounts to only 2 mm (0.1 in), and all occurs in one day.
The day lasts on average 10 hours and 50 minutes.
The average humidity is 45%.
The average wind speed is 22 kph (14 mph).

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In February, the weather in Bir Moghrein is usually warm. The average temperature is of 19.1 °C (66 °F), with a minimum of 12.7 °C (54.9 °F) and a maximum of 25.5 °C (77.9 °F).
On the coldest nights of the month, the temperature usually drops to around 9.5 °C (49.5 °F).
On the warmest days of the month, the temperature usually reaches around 30.5 °C (87 °F).
Precipitation amounts to only 2 mm (0.1 in), and all occurs in one day.
The day lasts on average 11 hours and 20 minutes.
The average humidity is 44%.
The average wind speed is 20 kph (12 mph).

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In March, the weather in Bir Moghrein is usually warm. However, there are remarkable differences between night and day. The average temperature is of 22.2 °C (72 °F), with a minimum of 15.3 °C (59.5 °F) and a maximum of 29.1 °C (84.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 11 °C (51.5 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 34.5 °C (94.5 °F).
Precipitation amounts to only 1 mm (0 in), and all occurs in one day.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 41%.
The average wind speed is 25 kph (16 mph).

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In April, the weather in Bir Moghrein is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 23.4 °C (74 °F), with a minimum of 16.2 °C (61.2 °F) and a maximum of 30.7 °C (87.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 12 °C (54 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 37.5 °C (99 °F).
Precipitation amounts to only 2 mm (0.1 in), distributed over 0 days.
The day lasts on average 12 hours and 50 minutes.
The average humidity is 42%.
The average wind speed is 25 kph (16 mph).

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In May, the weather in Bir Moghrein is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 25.4 °C (78 °F), with a minimum of 18 °C (64.4 °F) and a maximum of 32.8 °C (91 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 14 °C (57 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 40 °C (103.5 °F).
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 25 minutes.
The average humidity is 40%.
The average wind speed is 25 kph (16 mph).

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In June, the weather in Bir Moghrein is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 28.6 °C (83 °F), with a minimum of 20.8 °C (69.4 °F) and a maximum of 36.3 °C (97.3 °F).
On the coldest nights, the temperature usually drops to around 16.5 °C (62 °F).
On the warmest days, the temperature usually reaches around 41.5 °C (106.5 °F).
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 40 minutes. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
The average humidity is 37%.
The average wind speed is 25 kph (16 mph).

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In July, the weather in Bir Moghrein is usually scorchingly hot. However, there are remarkable differences between night and day. The average temperature is of 32.9 °C (91 °F), with a minimum of 24.5 °C (76.1 °F) and a maximum of 41.3 °C (106.3 °F).
On the coldest nights of the month, the temperature usually drops to around 18.5 °C (65 °F).
On the warmest days of the month, the temperature usually reaches around 45.5 °C (114.5 °F).
Precipitation amounts to only 1 mm (0 in), distributed over 0 days.
The day lasts on average 13 hours and 30 minutes.
The average humidity is 33%. Hence, the air is normally dry.
The average wind speed is 25 kph (16 mph).

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In August, the hottest month of the year, the weather in Bir Moghrein is usually scorchingly hot. However, there are remarkable differences between night and day. The average temperature is of 33.2 °C (92 °F), with a minimum of 25.4 °C (77.7 °F) and a maximum of 41 °C (105.8 °F).
On the coldest nights of the month, the temperature usually drops to around 19 °C (66.5 °F).
On the warmest days of the month, the temperature usually reaches around 46 °C (114.5 °F).
Precipitation amounts to only 3 mm (0.1 in), distributed over 0 days.
The day lasts on average 13 hours and 0 minutes.
The average humidity is 33%. Hence, the air is normally dry.
The average wind speed is 22 kph (14 mph).

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In September, the weather in Bir Moghrein is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 30.4 °C (87 °F), with a minimum of 23.4 °C (74.1 °F) and a maximum of 37.3 °C (99.1 °F).
On the coldest nights, the temperature usually drops to around 18.5 °C (65.5 °F).
On the warmest days, the temperature usually reaches around 43 °C (109.5 °F).
Precipitation amounts to 12 mm (0.5 in), and all occurs in one day.
The day lasts on average 12 hours and 20 minutes.
The average humidity is 38%.
The average wind speed is 22 kph (14 mph).

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In October, the weather in Bir Moghrein is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 28.6 °C (84 °F), with a minimum of 20 °C (68 °F) and a maximum of 37.3 °C (99.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 16 °C (60.5 °F).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 38 °C (100.5 °F).
Precipitation amounts to only 8 mm (0.3 in), distributed over 0 days.
The day lasts on average 11 hours and 30 minutes.
The average humidity is 44%.
The average wind speed is 20 kph (12 mph).

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In November, the weather in Bir Moghrein is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 24.3 °C (76 °F), with a minimum of 16.1 °C (61 °F) and a maximum of 32.5 °C (90.5 °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).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to only 5 mm (0.2 in), and all occurs in one day.
The day lasts on average 10 hours and 55 minutes.
The average humidity is 46%.
The average wind speed is 20 kph (12 mph).

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In December, the weather in Bir Moghrein 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 12.5 °C (54.5 °F) and a maximum of 28.5 °C (83.3 °F).
On the coldest nights of the month, the temperature usually drops to around 9.5 °C (49.5 °F).
On the warmest days of the month, the temperature usually reaches around 28.5 °C (83 °F).
Precipitation amounts to only 5 mm (0.2 in), and all occurs in one day.
The day lasts on average 10 hours and 35 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 48%.
The average wind speed is 22 kph (14 mph).