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Monthly climate in Arlit, Niger

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Arlit features a hot desert climate (BWh). Temperatures typically range between 20 °C (69 °F) and 37 °C (98 °F) through the year, but rarely can drop to 6 °C (43 °F) or can rise to as high as 46 °C (116 °F). The average annual precipitation amounts to about 42 mm (1.7 inches) and receives 11 rainy days on the 1 mm (0.04 inches) threshold annually. Arlit enjoys an average of 3895 hours of sunshine throughout the year, and daylight varies from 11 hours 0 minutes to 13 hours 13 minutes per day.

Monthly average temperatures in Arlit, Niger

The warmest months in Arlit are May, June and July, with daily mean temperatures ranging from 35 to 37 °C (96 - 98 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 20 to 23 °C (69 - 74 °F) throughout the day. On average each year, Arlit experiences 325 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 Arlit. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(100°F)		37°C
(98°F)		41°C
(106°F)		45°C
(113°F)		46°C
(116°F)		46°C
(116°F)		46°C
(115°F)		45°C
(113°F)		44°C
(111°F)		42°C
(108°F)		39°C
(102°F)		36°C
(96°F)
Mean maximum33°C
(91°F)		35°C
(95°F)		40°C
(105°F)		44°C
(111°F)		45°C
(113°F)		45°C
(114°F)		44°C
(112°F)		43°C
(110°F)		43°C
(110°F)		42°C
(107°F)		37°C
(99°F)		34°C
(93°F)
Average high28°C
(83°F)		31°C
(88°F)		36°C
(97°F)		40°C
(105°F)		43°C
(109°F)		43°C
(109°F)		41°C
(106°F)		39°C
(102°F)		41°C
(105°F)		39°C
(103°F)		34°C
(94°F)		30°C
(86°F)
Daily mean20°C
(69°F)		23°C
(74°F)		29°C
(84°F)		33°C
(91°F)		36°C
(98°F)		37°C
(98°F)		35°C
(96°F)		33°C
(92°F)		34°C
(94°F)		32°C
(91°F)		27°C
(81°F)		22°C
(72°F)
Average low12°C
(53°F)		14°C
(57°F)		20°C
(68°F)		24°C
(75°F)		28°C
(83°F)		30°C
(86°F)		29°C
(84°F)		28°C
(82°F)		27°C
(81°F)		25°C
(77°F)		18°C
(65°F)		13°C
(56°F)
Mean minimum7°C
(46°F)		9°C
(49°F)		13°C
(56°F)		18°C
(65°F)		23°C
(74°F)		26°C
(79°F)		26°C
(79°F)		24°C
(75°F)		24°C
(75°F)		20°C
(68°F)		15°C
(59°F)		10°C
(50°F)
Minimum7°C
(44°F)		6°C
(43°F)		12°C
(53°F)		15°C
(60°F)		22°C
(71°F)		25°C
(77°F)		25°C
(78°F)		23°C
(74°F)		23°C
(74°F)		17°C
(63°F)		13°C
(56°F)		9°C
(48°F)

Compare climate in Arlit with other places

Compare temperature, precipitation, sunshine, UV index in Arlit, Niger with other places around the world.

Monthly average precipitation in Arlit, Niger

Arlit usually has the most precipitation in July, August and September, with an average of 3 rainy days and 12 mm (0.5 inches) of precipitation per month. The driest months in Arlit are April, November and December. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Arlit. 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)0 (0.0)0 (0.0)1 (0.0)4 (0.1)4 (0.2)28 (1.1)5 (0.2)1 (0.0)0 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)000001172000

Monthly sunshine hours in Arlit, Niger

The sunniest months in Arlit are May, July and August, when the sun shines an average of 11 hours 21 minutes a day. Least sunny months in Arlit: January, February and November receive an average of 9 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Arlit. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours258296332335354344354346324321311314
Mean daily daylight hours11h 7m11h 31m12h 2m12h 34m13h 0m13h 13m13h 6m12h 43m12h 12m11h 41m11h 14m11h 0m

Solar UV radiation in Arlit, Niger

Arlit experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, November 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 Arlit UV Index data.

Average daily maximum UV levels by month for Arlit. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)910121312111111111098