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Monthly climate in Ntoum, Gabon

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ntoum features a tropical monsoon climate (Am). Temperatures typically range between 25 °C (77 °F) and 27 °C (81 °F) through the year, but rarely can drop to 21 °C (70 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 3049 mm (120.1 inches) and receives 299 rainy days on the 1 mm (0.04 inches) threshold annually. Ntoum enjoys an average of 3339 hours of sunshine throughout the year, and daylight varies from 12 hours 5 minutes to 12 hours 8 minutes per day.

Monthly average temperatures in Ntoum, Gabon

The warmest months in Ntoum are February, March and April, with daily mean temperatures ranging from 27 to 27 °C (81 - 81 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 26 °C (77 - 78 °F) throughout the day. On average each year, Ntoum experiences 329 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 Ntoum. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(90°F)		33°C
(91°F)		33°C
(92°F)		32°C
(91°F)		33°C
(91°F)		31°C
(88°F)		29°C
(85°F)		29°C
(85°F)		30°C
(87°F)		32°C
(90°F)		31°C
(89°F)		31°C
(88°F)
Mean maximum31°C
(89°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		32°C
(89°F)		30°C
(86°F)		29°C
(84°F)		29°C
(85°F)		30°C
(86°F)		31°C
(88°F)		31°C
(88°F)		31°C
(88°F)
Average high30°C
(86°F)		30°C
(87°F)		30°C
(87°F)		30°C
(87°F)		30°C
(86°F)		29°C
(84°F)		28°C
(82°F)		28°C
(82°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)		30°C
(86°F)
Daily mean26°C
(80°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		25°C
(77°F)		25°C
(78°F)		26°C
(78°F)		26°C
(79°F)		26°C
(79°F)		26°C
(80°F)
Average low24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)
Mean minimum23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)
Minimum23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)		22°C
(71°F)		21°C
(70°F)		21°C
(71°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)

Compare climate in Ntoum with other places

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

Monthly average precipitation in Ntoum, Gabon

Ntoum usually has the most precipitation in March, October and November, with an average of 29 rainy days and 399 mm (15.7 inches) of precipitation per month. The driest months in Ntoum are June, July and August. On average, 89 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ntoum. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)228 (9.0)250 (9.8)336 (13.2)262 (10.3)294 (11.6)128 (5.0)54 (2.1)85 (3.3)220 (8.7)397 (15.6)465 (18.3)330 (13.0)
Average precipitation days (≥ 1 mm)252729272820131625302930

Monthly sunshine hours in Ntoum, Gabon

The sunniest months in Ntoum are June, August and December, when the sun shines an average of 9 hours 31 minutes a day. Least sunny months in Ntoum: January, October and November receive an average of 8 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ntoum. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours252268286277290290284291270268265293
Mean daily daylight hours12h 5m12h 5m12h 5m12h 6m12h 7m12h 8m12h 7m12h 6m12h 6m12h 5m12h 5m12h 5m

Solar UV radiation in Ntoum, Gabon

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

Average daily maximum UV levels by month for Ntoum. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)121213141210101112131211