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Monthly climate in Bilma, Niger

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bilma features a hot desert climate (BWh). Temperatures typically range between 16 °C (61 °F) and 35 °C (95 °F) through the year, but rarely can drop to 3 °C (37 °F) or can rise to as high as 45 °C (114 °F). The average annual precipitation amounts to about 12 mm (0.5 inches) and receives 3 rainy days on the 1 mm (0.04 inches) threshold annually. Bilma enjoys an average of 3911 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 Bilma, Niger

The warmest months in Bilma are June, July and August, 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 16 to 18 °C (61 - 65 °F) throughout the day. On average each year, Bilma experiences 287 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 Bilma. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)		35°C
(96°F)		40°C
(105°F)		44°C
(111°F)		44°C
(111°F)		45°C
(114°F)		45°C
(113°F)		44°C
(112°F)		43°C
(109°F)		41°C
(105°F)		35°C
(96°F)		33°C
(92°F)
Mean maximum29°C
(85°F)		31°C
(89°F)		39°C
(102°F)		42°C
(108°F)		43°C
(110°F)		44°C
(111°F)		44°C
(111°F)		42°C
(108°F)		42°C
(107°F)		40°C
(104°F)		33°C
(92°F)		30°C
(87°F)
Average high24°C
(75°F)		26°C
(80°F)		33°C
(91°F)		38°C
(100°F)		41°C
(106°F)		42°C
(108°F)		41°C
(106°F)		39°C
(103°F)		39°C
(103°F)		37°C
(98°F)		31°C
(88°F)		25°C
(78°F)
Daily mean16°C
(61°F)		18°C
(65°F)		24°C
(76°F)		29°C
(85°F)		33°C
(91°F)		35°C
(95°F)		34°C
(94°F)		33°C
(92°F)		32°C
(90°F)		29°C
(84°F)		23°C
(73°F)		17°C
(64°F)
Average low9°C
(48°F)		10°C
(51°F)		16°C
(62°F)		20°C
(69°F)		24°C
(76°F)		27°C
(81°F)		27°C
(81°F)		27°C
(82°F)		25°C
(77°F)		21°C
(71°F)		15°C
(59°F)		10°C
(50°F)
Mean minimum4°C
(39°F)		5°C
(42°F)		11°C
(52°F)		15°C
(59°F)		21°C
(69°F)		24°C
(75°F)		24°C
(75°F)		25°C
(77°F)		21°C
(70°F)		16°C
(60°F)		11°C
(52°F)		5°C
(42°F)
Minimum3°C
(37°F)		3°C
(38°F)		9°C
(49°F)		12°C
(54°F)		19°C
(67°F)		22°C
(73°F)		23°C
(74°F)		24°C
(75°F)		19°C
(67°F)		12°C
(54°F)		8°C
(46°F)		4°C
(40°F)

Compare climate in Bilma with other places

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

Monthly average precipitation in Bilma, Niger

Bilma usually has the most precipitation in June, July and August, with an average of 1 rainy days and 4 mm (0.1 inches) of precipitation per month. The driest months in Bilma are March, November and December. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bilma. 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)0 (0.0)1 (0.0)1 (0.0)9 (0.4)1 (0.0)0 (0.0)0 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)000000030000

Monthly sunshine hours in Bilma, Niger

The sunniest months in Bilma are May, July and August, when the sun shines an average of 11 hours 30 minutes a day. Least sunny months in Bilma: January, February and November receive an average of 9 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bilma. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours255293333334355345362352328325311313
Mean daily daylight hours11h 7m11h 31m12h 2m12h 33m13h 0m13h 13m13h 6m12h 43m12h 12m11h 41m11h 14m11h 0m

Solar UV radiation in Bilma, Niger

Bilma experiences the highest level of ultraviolet (UV) radiation in April, May and August, 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 Bilma UV Index data.

Average daily maximum UV levels by month for Bilma. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911121312111113111198