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Monthly climate in Mamou, Guinea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mamou features a tropical savanna climate (Aw). Temperatures typically range between 22 °C (73 °F) and 28 °C (83 °F) through the year, but rarely can drop to 14 °C (57 °F) or can rise to as high as 38 °C (102 °F). The average annual precipitation amounts to about 1915 mm (75.4 inches) and receives 169 rainy days on the 1 mm (0.04 inches) threshold annually. Mamou enjoys an average of 3417 hours of sunshine throughout the year, and daylight varies from 11 hours 30 minutes to 12 hours 42 minutes per day.

Monthly average temperatures in Mamou, Guinea

The warmest months in Mamou are February, March and April, with daily mean temperatures ranging from 27 to 28 °C (80 - 83 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 22 to 23 °C (73 - 74 °F) throughout the day. On average each year, Mamou experiences 311 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 Mamou. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(96°F)		37°C
(99°F)		38°C
(101°F)		38°C
(102°F)		38°C
(100°F)		33°C
(92°F)		31°C
(88°F)		31°C
(89°F)		32°C
(90°F)		33°C
(91°F)		34°C
(94°F)		35°C
(96°F)
Mean maximum34°C
(94°F)		36°C
(98°F)		38°C
(100°F)		38°C
(100°F)		36°C
(97°F)		31°C
(88°F)		30°C
(87°F)		30°C
(86°F)		31°C
(89°F)		32°C
(90°F)		33°C
(92°F)		34°C
(93°F)
Average high32°C
(91°F)		34°C
(93°F)		35°C
(96°F)		35°C
(95°F)		32°C
(90°F)		29°C
(84°F)		27°C
(80°F)		26°C
(79°F)		28°C
(83°F)		30°C
(85°F)		31°C
(88°F)		32°C
(90°F)
Daily mean25°C
(77°F)		27°C
(80°F)		28°C
(83°F)		28°C
(83°F)		26°C
(80°F)		24°C
(76°F)		23°C
(73°F)		22°C
(73°F)		23°C
(74°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)
Average low18°C
(64°F)		20°C
(67°F)		21°C
(71°F)		22°C
(73°F)		22°C
(72°F)		21°C
(70°F)		21°C
(69°F)		20°C
(69°F)		20°C
(69°F)		20°C
(69°F)		19°C
(67°F)		18°C
(65°F)
Mean minimum15°C
(59°F)		17°C
(63°F)		19°C
(66°F)		20°C
(69°F)		20°C
(69°F)		19°C
(67°F)		19°C
(67°F)		19°C
(66°F)		19°C
(67°F)		18°C
(65°F)		17°C
(63°F)		16°C
(61°F)
Minimum14°C
(57°F)		15°C
(60°F)		16°C
(62°F)		19°C
(67°F)		19°C
(67°F)		19°C
(67°F)		18°C
(65°F)		18°C
(65°F)		18°C
(65°F)		17°C
(63°F)		16°C
(61°F)		14°C
(57°F)

Compare climate in Mamou with other places

Compare temperature, precipitation, sunshine, UV index in Mamou, Guinea with other places around the world.

Monthly average precipitation in Mamou, Guinea

Mamou usually has the most precipitation in July, August and September, with an average of 29 rainy days and 415 mm (16.3 inches) of precipitation per month. The driest months in Mamou are January, February and December. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mamou. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)2 (0.1)11 (0.4)30 (1.2)133 (5.2)255 (10.0)397 (15.6)464 (18.3)384 (15.1)201 (7.9)38 (1.5)0 (0.0)
Average precipitation days (≥ 1 mm)003517263030282460

Monthly sunshine hours in Mamou, Guinea

The sunniest months in Mamou are March, May and December, when the sun shines an average of 10 hours 21 minutes a day. Least sunny months in Mamou: July, August and September receive an average of 7 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mamou. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours264296325306311268248226251291299326
Mean daily daylight hours11h 34m11h 47m12h 3m12h 20m12h 35m12h 42m12h 38m12h 26m12h 9m11h 52m11h 38m11h 30m

Solar UV radiation in Mamou, Guinea

Mamou experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Mamou UV Index data.

Average daily maximum UV levels by month for Mamou. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111212131313131414121010