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Monthly climate in Oji River, Nigeria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Oji River features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (78 °F) and 29 °C (85 °F) through the year, but rarely can drop to 16 °C (61 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 1878 mm (73.9 inches) and receives 221 rainy days on the 1 mm (0.04 inches) threshold annually. Oji River enjoys an average of 3356 hours of sunshine throughout the year, and daylight varies from 11 hours 45 minutes to 12 hours 27 minutes per day.

Monthly average temperatures in Oji River, Nigeria

The warmest months in Oji River are January, February and March, with daily mean temperatures ranging from 28 to 29 °C (83 - 85 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 25 °C (78 - 78 °F) throughout the day. On average each year, Oji River experiences 328 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 Oji River. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum39°C
(102°F)		40°C
(105°F)		40°C
(104°F)		38°C
(101°F)		35°C
(96°F)		34°C
(93°F)		32°C
(90°F)		32°C
(90°F)		33°C
(92°F)		34°C
(93°F)		35°C
(94°F)		37°C
(98°F)
Mean maximum38°C
(100°F)		39°C
(103°F)		38°C
(100°F)		36°C
(97°F)		34°C
(94°F)		32°C
(91°F)		31°C
(89°F)		32°C
(89°F)		32°C
(91°F)		33°C
(92°F)		34°C
(93°F)		36°C
(98°F)
Average high35°C
(96°F)		37°C
(98°F)		35°C
(95°F)		33°C
(92°F)		32°C
(89°F)		30°C
(87°F)		29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		31°C
(87°F)		32°C
(90°F)		34°C
(94°F)
Daily mean28°C
(83°F)		29°C
(85°F)		29°C
(84°F)		28°C
(82°F)		27°C
(81°F)		26°C
(79°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		26°C
(79°F)		27°C
(81°F)		28°C
(83°F)
Average low22°C
(72°F)		23°C
(74°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		22°C
(73°F)
Mean minimum17°C
(63°F)		19°C
(67°F)		23°C
(74°F)		22°C
(72°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		18°C
(65°F)
Minimum16°C
(61°F)		17°C
(63°F)		23°C
(73°F)		22°C
(71°F)		22°C
(72°F)		21°C
(71°F)		22°C
(71°F)		21°C
(71°F)		22°C
(71°F)		22°C
(71°F)		21°C
(71°F)		17°C
(63°F)

Compare climate in Oji River with other places

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

Monthly average precipitation in Oji River, Nigeria

Oji River usually has the most precipitation in June, July and September, with an average of 27 rainy days and 276 mm (10.9 inches) of precipitation per month. The driest months in Oji River are January, February and December. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oji River. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)14 (0.5)29 (1.1)83 (3.3)147 (5.8)227 (8.9)277 (10.9)256 (10.1)228 (9.0)297 (11.7)238 (9.4)73 (2.9)11 (0.4)
Average precipitation days (≥ 1 mm)341620242628262827163

Monthly sunshine hours in Oji River, Nigeria

The sunniest months in Oji River are March, May and December, when the sun shines an average of 9 hours 40 minutes a day. Least sunny months in Oji River: January, July and September receive an average of 8 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oji River. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours256281290282301284270277257271274307
Mean daily daylight hours11h 47m11h 54m12h 4m12h 14m12h 23m12h 27m12h 25m12h 17m12h 7m11h 57m11h 49m11h 45m

Solar UV radiation in Oji River, Nigeria

Oji River experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, November and December 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 Oji River UV Index data.

Average daily maximum UV levels by month for Oji River. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1011111312121211121299