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Monthly climate in Gao, Mali

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gao features a hot desert climate (BWh). Temperatures typically range between 23 °C (74 °F) and 36 °C (97 °F) through the year, but rarely can drop to 7 °C (44 °F) or can rise to as high as 46 °C (115 °F). The average annual precipitation amounts to about 135 mm (5.3 inches) and receives 23 rainy days on the 1 mm (0.04 inches) threshold annually. Gao enjoys an average of 3777 hours of sunshine throughout the year, and daylight varies from 11 hours 9 minutes to 13 hours 4 minutes per day.

Monthly average temperatures in Gao, Mali

The warmest months in Gao are April, May and June, with daily mean temperatures ranging from 34 to 36 °C (93 - 97 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 23 to 26 °C (74 - 79 °F) throughout the day. On average each year, Gao 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 Gao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum39°C
(102°F)		39°C
(102°F)		42°C
(109°F)		46°C
(115°F)		46°C
(115°F)		45°C
(114°F)		44°C
(112°F)		43°C
(111°F)		44°C
(111°F)		43°C
(110°F)		41°C
(106°F)		38°C
(101°F)
Mean maximum35°C
(96°F)		38°C
(101°F)		42°C
(107°F)		45°C
(113°F)		45°C
(114°F)		45°C
(113°F)		43°C
(110°F)		42°C
(108°F)		43°C
(110°F)		43°C
(109°F)		39°C
(103°F)		37°C
(98°F)
Average high31°C
(88°F)		34°C
(93°F)		38°C
(101°F)		41°C
(107°F)		43°C
(109°F)		42°C
(108°F)		39°C
(103°F)		37°C
(98°F)		39°C
(103°F)		40°C
(104°F)		37°C
(98°F)		33°C
(92°F)
Daily mean23°C
(74°F)		26°C
(79°F)		30°C
(87°F)		34°C
(93°F)		36°C
(97°F)		36°C
(97°F)		33°C
(92°F)		31°C
(88°F)		33°C
(92°F)		33°C
(92°F)		29°C
(85°F)		25°C
(78°F)
Average low15°C
(58°F)		17°C
(64°F)		22°C
(71°F)		25°C
(77°F)		28°C
(83°F)		29°C
(85°F)		28°C
(82°F)		26°C
(80°F)		28°C
(82°F)		26°C
(80°F)		21°C
(70°F)		17°C
(62°F)
Mean minimum10°C
(51°F)		13°C
(55°F)		15°C
(60°F)		20°C
(68°F)		24°C
(75°F)		26°C
(80°F)		25°C
(77°F)		24°C
(75°F)		25°C
(77°F)		22°C
(71°F)		17°C
(62°F)		13°C
(56°F)
Minimum7°C
(44°F)		11°C
(51°F)		11°C
(51°F)		19°C
(66°F)		22°C
(73°F)		25°C
(77°F)		24°C
(75°F)		23°C
(74°F)		24°C
(76°F)		21°C
(70°F)		14°C
(57°F)		12°C
(54°F)

Compare climate in Gao with other places

Compare temperature, precipitation, sunshine, UV index in Gao, Mali with other places around the world.

Monthly average precipitation in Gao, Mali

Gao usually has the most precipitation in July, August and September, with an average of 7 rainy days and 40 mm (1.6 inches) of precipitation per month. The driest months in Gao are January, March and November. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)1 (0.0)0 (0.0)1 (0.0)3 (0.1)10 (0.4)27 (1.1)79 (3.1)13 (0.5)2 (0.1)0 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)0000027113000

Monthly sunshine hours in Gao, Mali

The sunniest months in Gao are May, June and July, when the sun shines an average of 10 hours 55 minutes a day. Least sunny months in Gao: January, February and November receive an average of 9 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours253286327326337331336323319316305313
Mean daily daylight hours11h 15m11h 36m12h 2m12h 30m12h 52m13h 4m12h 58m12h 38m12h 11m11h 44m11h 21m11h 9m

Solar UV radiation in Gao, Mali

Gao experiences the highest level of ultraviolet (UV) radiation in April, July and August, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, October and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Gao UV Index data.

Average daily maximum UV levels by month for Gao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)9101113121113131210109