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Monthly climate in Opi, Nigeria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Opi features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (77 °F) and 29 °C (85 °F) through the year, but rarely can drop to 17 °C (63 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 1698 mm (66.9 inches) and receives 196 rainy days on the 1 mm (0.04 inches) threshold annually. Opi enjoys an average of 3458 hours of sunshine throughout the year, and daylight varies from 11 hours 43 minutes to 12 hours 29 minutes per day.

Monthly average temperatures in Opi, Nigeria

The warmest months in Opi are February, March and April, 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 (77 - 78 °F) throughout the day. On average each year, Opi 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 Opi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(101°F)		40°C
(104°F)		39°C
(103°F)		38°C
(101°F)		35°C
(96°F)		33°C
(92°F)		32°C
(90°F)		32°C
(89°F)		33°C
(91°F)		33°C
(92°F)		35°C
(95°F)		36°C
(98°F)
Mean maximum37°C
(99°F)		39°C
(102°F)		38°C
(100°F)		36°C
(97°F)		34°C
(94°F)		32°C
(91°F)		31°C
(89°F)		31°C
(89°F)		32°C
(90°F)		33°C
(92°F)		34°C
(94°F)		36°C
(96°F)
Average high35°C
(95°F)		36°C
(97°F)		35°C
(95°F)		33°C
(92°F)		32°C
(89°F)		30°C
(87°F)		29°C
(84°F)		29°C
(84°F)		29°C
(85°F)		31°C
(87°F)		32°C
(90°F)		34°C
(94°F)
Daily mean28°C
(82°F)		29°C
(85°F)		29°C
(85°F)		28°C
(83°F)		27°C
(81°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)		27°C
(81°F)		27°C
(82°F)
Average low22°C
(71°F)		23°C
(74°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)
Mean minimum18°C
(65°F)		20°C
(68°F)		23°C
(74°F)		22°C
(72°F)		22°C
(73°F)		22°C
(72°F)		22°C
(71°F)		22°C
(71°F)		22°C
(71°F)		22°C
(72°F)		21°C
(70°F)		18°C
(66°F)
Minimum17°C
(63°F)		18°C
(65°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(71°F)		19°C
(66°F)		17°C
(63°F)

Compare climate in Opi with other places

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

Monthly average precipitation in Opi, Nigeria

Opi usually has the most precipitation in June, August and September, with an average of 26 rainy days and 275 mm (10.8 inches) of precipitation per month. The driest months in Opi are January, February and December. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Opi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)8 (0.3)23 (0.9)68 (2.7)106 (4.2)171 (6.7)240 (9.5)236 (9.3)248 (9.8)335 (13.2)207 (8.2)50 (2.0)5 (0.2)
Average precipitation days (≥ 1 mm)141116202528262726120

Monthly sunshine hours in Opi, Nigeria

The sunniest months in Opi are March, May and December, when the sun shines an average of 9 hours 57 minutes a day. Least sunny months in Opi: January, July and September receive an average of 8 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Opi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours260287301291308296277281261284294316
Mean daily daylight hours11h 45m11h 53m12h 4m12h 15m12h 25m12h 29m12h 27m12h 19m12h 8m11h 57m11h 47m11h 43m

Solar UV radiation in Opi, Nigeria

Opi experiences the highest level of ultraviolet (UV) radiation in April, August 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 Opi UV Index data.

Average daily maximum UV levels by month for Opi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10111113121212121212109