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Monthly climate in Aleg, Mauritania

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Aleg features a hot desert climate (BWh). Temperatures typically range between 24 °C (76 °F) and 35 °C (95 °F) through the year, but rarely can drop to 12 °C (54 °F) or can rise to as high as 47 °C (117 °F). The average annual precipitation amounts to about 101 mm (4.0 inches) and receives 14 rainy days on the 1 mm (0.04 inches) threshold annually. Aleg enjoys an average of 3766 hours of sunshine throughout the year, and daylight varies from 11 hours 7 minutes to 13 hours 7 minutes per day.

Monthly average temperatures in Aleg, Mauritania

The warmest months in Aleg are May, June and October, with daily mean temperatures ranging from 33 to 35 °C (92 - 95 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 24 to 26 °C (76 - 80 °F) throughout the day. On average each year, Aleg experiences 328 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Aleg. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(101°F)		39°C
(102°F)		44°C
(112°F)		44°C
(111°F)		47°C
(117°F)		46°C
(116°F)		44°C
(111°F)		44°C
(112°F)		44°C
(112°F)		44°C
(111°F)		41°C
(106°F)		38°C
(101°F)
Mean maximum36°C
(97°F)		38°C
(100°F)		41°C
(106°F)		43°C
(109°F)		45°C
(114°F)		45°C
(114°F)		42°C
(108°F)		43°C
(110°F)		43°C
(109°F)		43°C
(110°F)		40°C
(105°F)		37°C
(99°F)
Average high32°C
(90°F)		34°C
(93°F)		36°C
(98°F)		39°C
(102°F)		41°C
(107°F)		41°C
(107°F)		39°C
(102°F)		37°C
(100°F)		38°C
(100°F)		40°C
(103°F)		37°C
(98°F)		33°C
(92°F)
Daily mean24°C
(76°F)		26°C
(80°F)		29°C
(84°F)		32°C
(89°F)		34°C
(94°F)		35°C
(95°F)		33°C
(91°F)		32°C
(90°F)		32°C
(90°F)		33°C
(92°F)		30°C
(85°F)		25°C
(78°F)
Average low17°C
(63°F)		19°C
(67°F)		21°C
(71°F)		24°C
(76°F)		27°C
(81°F)		29°C
(84°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		23°C
(73°F)		19°C
(66°F)
Mean minimum13°C
(56°F)		15°C
(60°F)		17°C
(63°F)		20°C
(68°F)		22°C
(72°F)		26°C
(79°F)		24°C
(75°F)		24°C
(76°F)		25°C
(77°F)		23°C
(73°F)		19°C
(66°F)		15°C
(59°F)
Minimum12°C
(54°F)		14°C
(57°F)		14°C
(58°F)		18°C
(65°F)		19°C
(67°F)		24°C
(76°F)		23°C
(73°F)		23°C
(73°F)		24°C
(75°F)		21°C
(70°F)		17°C
(63°F)		14°C
(57°F)

Compare climate in Aleg with other places

Compare temperature, precipitation, sunshine, UV index in Aleg, Mauritania with other places around the world.

Monthly average precipitation in Aleg, Mauritania

Aleg usually has the most precipitation in August, September and October, with an average of 4 rainy days and 30 mm (1.2 inches) of precipitation per month. The driest months in Aleg are January, May and December. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Aleg. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)0 (0.0)3 (0.1)0 (0.0)0 (0.0)2 (0.1)5 (0.2)41 (1.6)38 (1.5)9 (0.4)0 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)000000157100

Monthly sunshine hours in Aleg, Mauritania

The sunniest months in Aleg are April, May and July, when the sun shines an average of 11 hours 12 minutes a day. Least sunny months in Aleg: January, February and November receive an average of 9 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Aleg. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours244281332335351328343333312316290294
Mean daily daylight hours11h 13m11h 34m12h 2m12h 31m12h 55m13h 7m13h 0m12h 39m12h 12m11h 43m11h 19m11h 7m

Solar UV radiation in Aleg, Mauritania

Aleg experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, February and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Aleg UV Index data.

Average daily maximum UV levels by month for Aleg. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)99121312131213131198