Monthly climate in Port-Gentil, Gabon

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Port-Gentil features a tropical savanna climate (Aw). Temperatures typically range between 24 °C (75 °F) and 27 °C (82 °F) through the year, but rarely can drop to 22 °C (71 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 1853 mm (72.9 inches) and receives 223 rainy days on the 1 mm (0.04 inches) threshold annually. Port-Gentil enjoys an average of 3549 hours of sunshine throughout the year, and daylight varies from 12 hours 4 minutes to 12 hours 9 minutes per day.

Monthly average temperatures in Port-Gentil, Gabon

The warmest months in Port-Gentil are February, March and April, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 24 to 25 °C (75 - 77 °F) throughout the day. On average each year, Port-Gentil experiences 290 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 Port-Gentil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(84°F)
29°C
(85°F)
30°C
(86°F)
29°C
(85°F)
29°C
(84°F)
28°C
(82°F)
26°C
(80°F)
26°C
(79°F)
27°C
(81°F)
27°C
(82°F)
28°C
(83°F)
29°C
(84°F)
Mean maximum28°C
(83°F)
29°C
(84°F)
29°C
(85°F)
29°C
(84°F)
29°C
(84°F)
27°C
(80°F)
25°C
(78°F)
26°C
(78°F)
26°C
(80°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
(82°F)
26°C
(79°F)
25°C
(76°F)
25°C
(77°F)
26°C
(78°F)
26°C
(80°F)
27°C
(81°F)
27°C
(81°F)
Daily mean27°C
(80°F)
27°C
(81°F)
27°C
(82°F)
27°C
(81°F)
27°C
(80°F)
25°C
(77°F)
24°C
(75°F)
24°C
(76°F)
25°C
(78°F)
26°C
(79°F)
26°C
(79°F)
26°C
(80°F)
Average low25°C
(78°F)
26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
26°C
(79°F)
25°C
(76°F)
23°C
(74°F)
24°C
(75°F)
25°C
(77°F)
25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
Mean minimum24°C
(76°F)
25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
23°C
(74°F)
23°C
(73°F)
23°C
(74°F)
24°C
(75°F)
25°C
(76°F)
25°C
(76°F)
24°C
(76°F)
Minimum24°C
(76°F)
25°C
(76°F)
25°C
(77°F)
25°C
(77°F)
24°C
(75°F)
23°C
(73°F)
22°C
(71°F)
22°C
(73°F)
24°C
(75°F)
24°C
(76°F)
24°C
(76°F)
24°C
(76°F)

Compare climate in Port-Gentil with other places

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

Monthly average precipitation in Port-Gentil, Gabon

Port-Gentil usually has the most precipitation in January, November and December, with an average of 27 rainy days and 280 mm (11.0 inches) of precipitation per month. The driest months in Port-Gentil are June, July and August. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port-Gentil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)264 (10.4)199 (7.8)174 (6.9)174 (6.9)152 (6.0)32 (1.3)16 (0.6)20 (0.8)50 (2.0)196 (7.7)277 (10.9)299 (11.8)
Average precipitation days (≥ 1 mm)232224232262511272929

Monthly sunshine hours in Port-Gentil, Gabon

The sunniest months in Port-Gentil are June, July and August, when the sun shines an average of 10 hours 24 minutes a day. Least sunny months in Port-Gentil: January, February and November receive an average of 8 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port-Gentil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours253276294284306309324323302300270302
Mean daily daylight hours12h 8m12h 7m12h 5m12h 4m12h 4m12h 4m12h 4m12h 4m12h 5m12h 6m12h 8m12h 9m

Solar UV radiation in Port-Gentil, Gabon

Port-Gentil experiences the highest level of ultraviolet (UV) radiation in April, May and November, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. February, June and July are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Port-Gentil UV Index data.

Average daily maximum UV levels by month for Port-Gentil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)12121314131091212131312