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Monthly climate in Mayumba, Gabon

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mayumba features a tropical savanna climate (Aw). Temperatures typically range between 22 °C (72 °F) and 27 °C (81 °F) through the year, but rarely can drop to 20 °C (68 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 1574 mm (62.0 inches) and receives 219 rainy days on the 1 mm (0.04 inches) threshold annually. Mayumba enjoys an average of 3438 hours of sunshine throughout the year, and daylight varies from 11 hours 55 minutes to 12 hours 18 minutes per day.

Monthly average temperatures in Mayumba, Gabon

The warmest months in Mayumba are February, March and April, with daily mean temperatures ranging from 27 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 22 to 24 °C (72 - 75 °F) throughout the day. On average each year, Mayumba experiences 250 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 Mayumba. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(85°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		29°C
(84°F)		27°C
(80°F)		25°C
(78°F)		26°C
(78°F)		26°C
(80°F)		28°C
(82°F)		29°C
(84°F)		29°C
(84°F)
Mean maximum29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		28°C
(83°F)		26°C
(79°F)		24°C
(76°F)		25°C
(77°F)		26°C
(79°F)		27°C
(81°F)		28°C
(83°F)		28°C
(83°F)
Average high28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		27°C
(81°F)		25°C
(77°F)		24°C
(75°F)		24°C
(75°F)		25°C
(77°F)		26°C
(79°F)		27°C
(81°F)		27°C
(81°F)
Daily mean26°C
(79°F)		27°C
(80°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		24°C
(75°F)		22°C
(72°F)		23°C
(73°F)		24°C
(75°F)		25°C
(78°F)		26°C
(79°F)		26°C
(79°F)
Average low25°C
(77°F)		25°C
(78°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		23°C
(73°F)		21°C
(71°F)		22°C
(71°F)		23°C
(74°F)		24°C
(76°F)		25°C
(77°F)		25°C
(77°F)
Mean minimum24°C
(75°F)		24°C
(75°F)		25°C
(77°F)		24°C
(76°F)		23°C
(74°F)		22°C
(71°F)		20°C
(69°F)		21°C
(70°F)		22°C
(72°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)
Minimum23°C
(75°F)		23°C
(73°F)		24°C
(76°F)		23°C
(74°F)		22°C
(73°F)		21°C
(70°F)		20°C
(68°F)		20°C
(69°F)		21°C
(71°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)

Compare climate in Mayumba with other places

Compare temperature, precipitation, sunshine, UV index in Mayumba, Gabon with other places around the world.

Monthly average precipitation in Mayumba, Gabon

Mayumba usually has the most precipitation in January, November and December, with an average of 26 rainy days and 240 mm (9.4 inches) of precipitation per month. The driest months in Mayumba are June, July and August. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mayumba. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)206 (8.1)201 (7.9)158 (6.2)163 (6.4)81 (3.2)17 (0.7)11 (0.4)19 (0.8)40 (1.6)164 (6.5)237 (9.3)275 (10.8)
Average precipitation days (≥ 1 mm)222425221831515282828

Monthly sunshine hours in Mayumba, Gabon

The sunniest months in Mayumba are May, June and July, when the sun shines an average of 9 hours 56 minutes a day. Least sunny months in Mayumba: January, February and November receive an average of 8 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mayumba. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours248270294290309303301291286285263293
Mean daily daylight hours12h 16m12h 12m12h 6m12h 0m11h 56m11h 55m11h 55m11h 59m12h 4m12h 10m12h 15m12h 18m

Solar UV radiation in Mayumba, Gabon

Mayumba experiences the highest level of ultraviolet (UV) radiation in February, April and May, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. June, July and August 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 Mayumba UV Index data.

Average daily maximum UV levels by month for Mayumba. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1314131313991012131313