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Monthly climate in Bonny, Nigeria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bonny features a tropical monsoon climate (Am). Temperatures typically range between 25 °C (78 °F) and 28 °C (82 °F) through the year, but rarely can drop to 22 °C (72 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 3260 mm (128.4 inches) and receives 299 rainy days on the 1 mm (0.04 inches) threshold annually. Bonny enjoys an average of 3396 hours of sunshine throughout the year, and daylight varies from 11 hours 51 minutes to 12 hours 21 minutes per day.

Monthly average temperatures in Bonny, Nigeria

The warmest months in Bonny are February, March and April, with daily mean temperatures ranging from 28 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 26 °C (78 - 78 °F) throughout the day. On average each year, Bonny 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 Bonny. 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)		32°C
(89°F)		31°C
(88°F)		31°C
(88°F)		30°C
(86°F)		29°C
(84°F)		28°C
(83°F)		29°C
(85°F)		30°C
(86°F)		30°C
(87°F)		31°C
(88°F)
Mean maximum31°C
(88°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		31°C
(87°F)		29°C
(85°F)		28°C
(83°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)		30°C
(86°F)		31°C
(87°F)
Average high30°C
(86°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		28°C
(83°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)
Daily mean27°C
(81°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		27°C
(81°F)		26°C
(80°F)		26°C
(78°F)		25°C
(78°F)		26°C
(78°F)		26°C
(79°F)		27°C
(81°F)		27°C
(81°F)
Average low25°C
(78°F)		26°C
(79°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)		26°C
(78°F)
Mean minimum24°C
(75°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		25°C
(76°F)		25°C
(76°F)
Minimum22°C
(72°F)		23°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)

Compare climate in Bonny with other places

Compare temperature, precipitation, sunshine, UV index in Bonny, Nigeria with other places around the world.

Monthly average precipitation in Bonny, Nigeria

Bonny usually has the most precipitation in June, July and September, with an average of 29 rainy days and 447 mm (17.6 inches) of precipitation per month. The driest months in Bonny are January, February and December. On average, 57 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bonny. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)41 (1.6)71 (2.8)201 (7.9)254 (10.0)303 (11.9)441 (17.4)472 (18.6)425 (16.7)429 (16.9)367 (14.4)198 (7.8)59 (2.3)
Average precipitation days (≥ 1 mm)131626242828292930302818

Monthly sunshine hours in Bonny, Nigeria

The sunniest months in Bonny are April, November and December, when the sun shines an average of 9 hours 51 minutes a day. Least sunny months in Bonny: January, June and September receive an average of 8 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bonny. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours255275289293289271281279268287291313
Mean daily daylight hours11h 52m11h 57m12h 4m12h 12m12h 18m12h 21m12h 20m12h 14m12h 7m12h 0m11h 54m11h 51m

Solar UV radiation in Bonny, Nigeria

Bonny experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 12 - 14, which corresponds to the Extreme category of sun exposure. January, June 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 Bonny UV Index data.

Average daily maximum UV levels by month for Bonny. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10111214131111111212119