Climate in Hassi Messaoud (Algeria)

The climate of Hassi Messaoud is subtropical desert, with mild winters (during which it can get cold at night) and very hot, sunny summers.
The city is located in north-central Algeria, in the desert, at an altitude of 180 meters (590 feet).
In winter, there can be quite cold days, with lows near freezing.
Spring is the season in which sandstorms are most frequent.
In summer, we are in one of the areas of Africa where the highest temperatures are recorded. The temperature reached 50.8 °C (123.4 °F) in July 1988, 50.3 °C (122.5 °F) in July 2023, 50 °C (122 °F) in July 2018 and 49.9 °C (121.8 °F) in August 2014.

Hassi Messaoud - Climate data

In Hassi Messaoud, the average temperature of the coldest month (January) is of 11.6 °C (52.9 °F), that of the warmest month (July) is of 35.5 °C (95.8 °F). Here are the average temperatures.
Precipitation amounts to 55 millimeters (2.2 inches) per year: it is therefore at a desert level. It ranges from 0.3 mm (0 in) in the driest month (June) to 9.7 mm (0.4 in) in the wettest one (August). Here is the average precipitation.

Hassi Messaoud - Weather by month

Based on the period 1991-2020

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January, the coldest month of the year, is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of 11.6 °C (53 °F), with a minimum of 4.8 °C (40.6 °F) and a maximum of 18.4 °C (65.1 °F).
On the coldest nights of the month, the temperature usually drops to around 0.5 °C (32.5 °F). However, it dropped to -3.3 °C (26.1 °F) in January 2019.
On the warmest days of the month, the temperature usually reaches around 24 °C (75 °F). However, it reached 27.2 °C (81 °F) in January 2003.
Precipitation amounts to only 3.2 mm (0.1 in), and all occurs in one day.
The day lasts on average 10 hours and 25 minutes.
The average humidity is 55%.
The average wind speed is 10 kph (6 mph).

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February is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of 13.7 °C (57 °F), with a minimum of 6.8 °C (44.2 °F) and a maximum of 20.7 °C (69.2 °F).
On the coldest nights of the month, the temperature usually drops to around 1.5 °C (34.5 °F). However, it dropped to -1.7 °C (28.9 °F) in February 2012.
On the warmest days of the month, the temperature usually reaches around 28 °C (82 °F). However, it reached 37 °C (98.6 °F) in February 2010.
Precipitation amounts to only 2.6 mm (0.1 in), distributed over 2 days.
The day lasts on average 11 hours and 5 minutes.
The average humidity is 45%.
The average wind speed is 13 kph (8 mph).

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March is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 18.3 °C (65 °F), with a minimum of 11.1 °C (52.1 °F) and a maximum of 25.4 °C (77.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 4.5 °C (40.5 °F). However, it dropped to 1.5 °C (34.7 °F) in March 2008.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 33.5 °C (92 °F). However, it reached 40 °C (104 °F) in March 2001.
Precipitation amounts to only 6.2 mm (0.2 in), and all occurs in one day.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 37%.
The average wind speed is 15 kph (9 mph).

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April is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 22.8 °C (73 °F), with a minimum of 15.5 °C (59.9 °F) and a maximum of 30.1 °C (86.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 9 °C (48 °F). However, it dropped to 6.7 °C (44.1 °F) in April 1995.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 39 °C (102 °F). However, it reached 41.5 °C (106.7 °F) in April 2015.
Precipitation amounts to only 4.4 mm (0.2 in), and all occurs in one day.
The day lasts on average 13 hours and 0 minutes.
The average humidity is 32%. Hence, the air is normally dry.
The average wind speed is 16 kph (10 mph).

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May is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 27.9 °C (82 °F), with a minimum of 20.5 °C (68.9 °F) and a maximum of 35.3 °C (95.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 14 °C (57 °F). However, it dropped to 10.1 °C (50.2 °F) in May 2016.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 43.5 °C (110 °F). However, it reached 47 °C (116.6 °F) in May 1999.
Precipitation amounts to only 5.7 mm (0.2 in), and all occurs in one day.
The day lasts on average 13 hours and 50 minutes.
The average humidity is 27%. Hence, the air is normally dry.
The average wind speed is 17 kph (11 mph).

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June is generally a scorchingly hot month. However, there are remarkable differences between night and day. The average temperature is of 32.6 °C (91 °F), with a minimum of 25.1 °C (77.2 °F) and a maximum of 40.2 °C (104.3 °F).
On the coldest nights, the temperature usually drops to around 19.5 °C (67 °F). However, it dropped to 15 °C (59 °F) in June 2006.
On the warmest days, the temperature usually reaches around 46.5 °C (116 °F). However, it reached 49 °C (120.2 °F) in June 2017.
Precipitation amounts to only 0.3 mm (0 in), distributed over 0 days.
The day lasts on average 14 hours and 10 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
The average humidity is 23%. 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. However, there are remarkable differences between night and day. The average temperature is of 35.5 °C (96 °F), with a minimum of 27.8 °C (82.1 °F) and a maximum of 43.1 °C (109.6 °F).
On the coldest nights of the month, the temperature usually drops to around 23.5 °C (74.5 °F). However, it dropped to 19.5 °C (67.1 °F) in July 1991.
On the warmest days of the month, the temperature usually reaches around 48 °C (118.5 °F). However, it reached 50 °C (122 °F) in July 2018.
Precipitation amounts to only 1 mm (0 in), distributed over 0 days.
The day lasts on average 14 hours and 0 minutes.
The average humidity is 21%. Hence, the air is normally dry.
The average wind speed is 14 kph (8 mph).

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August is generally a scorchingly hot month. However, there are remarkable differences between night and day. The average temperature is of 34.9 °C (95 °F), with a minimum of 27.5 °C (81.5 °F) and a maximum of 42.3 °C (108.2 °F).
On the coldest nights of the month, the temperature usually drops to around 23 °C (74 °F). However, it dropped to 19 °C (66.2 °F) in August 2003.
On the warmest days of the month, the temperature usually reaches around 47 °C (117 °F). However, it reached 49.9 °C (121.8 °F) in August 2014.
Precipitation amounts to only 9.7 mm (0.4 in), distributed over 0 days.
The day lasts on average 13 hours and 10 minutes.
The average humidity is 24%. Hence, the air is normally dry.
The average wind speed is 13 kph (8 mph).

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September is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 30.9 °C (88 °F), with a minimum of 24 °C (75.2 °F) and a maximum of 37.8 °C (100.1 °F).
On the coldest nights, the temperature usually drops to around 18 °C (64.5 °F). However, it dropped to 14 °C (57.2 °F) in September 1993.
On the warmest days, the temperature usually reaches around 44.5 °C (112 °F). However, it reached 48 °C (118.4 °F) in September 2011.
Precipitation amounts to only 3.7 mm (0.1 in), distributed over 2 days.
The day lasts on average 12 hours and 20 minutes.
The average humidity is 33%. Hence, the air is normally dry.
The average wind speed is 14 kph (8 mph).

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October is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 24.6 °C (76 °F), with a minimum of 17.9 °C (64.2 °F) and a maximum of 31.4 °C (88.6 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 11.5 °C (53 °F). However, it dropped to 6 °C (42.8 °F) in October 2010.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 38 °C (100.5 °F). However, it reached 41.4 °C (106.5 °F) in October 2003.
Precipitation amounts to only 8.2 mm (0.3 in), and all occurs in one day.
The day lasts on average 11 hours and 25 minutes.
The average humidity is 41%.
The average wind speed is 11 kph (7 mph).

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November is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of 17.2 °C (63 °F), with a minimum of 10.5 °C (51 °F) and a maximum of 23.9 °C (75 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4.5 °C (40 °F). However, it dropped to 0 °C (32 °F) in November 1999.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 30.5 °C (87 °F). However, it reached 34.4 °C (93.9 °F) in November 2012.
Precipitation amounts to only 5.5 mm (0.2 in), distributed over 2 days.
The day lasts on average 10 hours and 30 minutes.
The average humidity is 49%.
The average wind speed is 10 kph (6 mph).

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December is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of 12.6 °C (55 °F), with a minimum of 6.1 °C (43 °F) and a maximum of 19.1 °C (66.3 °F).
On the coldest nights of the month, the temperature usually drops to around 0.5 °C (33.5 °F). However, it dropped to -2 °C (28.4 °F) in December 2007.
On the warmest days of the month, the temperature usually reaches around 24.5 °C (75.5 °F). However, it reached 30 °C (86 °F) in December 2009.
Precipitation amounts to only 4.4 mm (0.2 in), distributed over 2 days.
The day lasts on average 10 hours and 5 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 58%.
The average wind speed is 10 kph (6 mph).