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Monthly climate in Iwo, Nigeria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Iwo features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (76 °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 39 °C (102 °F). The average annual precipitation amounts to about 1135 mm (44.7 inches) and receives 183 rainy days on the 1 mm (0.04 inches) threshold annually. Iwo enjoys an average of 3338 hours of sunshine throughout the year, and daylight varies from 11 hours 40 minutes to 12 hours 32 minutes per day.

Monthly average temperatures in Iwo, Nigeria

The warmest months in Iwo 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 (76 - 77 °F) throughout the day. On average each year, Iwo experiences 327 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 Iwo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(100°F)		39°C
(102°F)		39°C
(102°F)		37°C
(99°F)		36°C
(97°F)		34°C
(94°F)		33°C
(91°F)		32°C
(89°F)		32°C
(90°F)		34°C
(93°F)		35°C
(96°F)		37°C
(99°F)
Mean maximum37°C
(99°F)		38°C
(101°F)		38°C
(100°F)		36°C
(97°F)		35°C
(94°F)		33°C
(91°F)		31°C
(88°F)		31°C
(87°F)		31°C
(88°F)		33°C
(92°F)		35°C
(95°F)		36°C
(97°F)
Average high35°C
(95°F)		36°C
(97°F)		35°C
(95°F)		33°C
(92°F)		32°C
(89°F)		30°C
(86°F)		29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		30°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
(77°F)		25°C
(76°F)		25°C
(77°F)		26°C
(79°F)		27°C
(81°F)		28°C
(82°F)
Average low22°C
(72°F)		24°C
(75°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		23°C
(75°F)		23°C
(73°F)
Mean minimum19°C
(66°F)		20°C
(69°F)		23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		22°C
(71°F)		21°C
(71°F)		21°C
(70°F)		21°C
(71°F)		21°C
(71°F)		22°C
(71°F)		19°C
(67°F)
Minimum17°C
(63°F)		18°C
(65°F)		22°C
(71°F)		21°C
(71°F)		22°C
(71°F)		21°C
(69°F)		21°C
(70°F)		20°C
(68°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		18°C
(65°F)

Compare climate in Iwo with other places

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

Monthly average precipitation in Iwo, Nigeria

Iwo usually has the most precipitation in June, August and September, with an average of 25 rainy days and 177 mm (7.0 inches) of precipitation per month. The driest months in Iwo are January, February and December. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Iwo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)5 (0.2)23 (0.9)63 (2.5)66 (2.6)108 (4.2)174 (6.9)158 (6.2)179 (7.1)177 (7.0)147 (5.8)30 (1.2)5 (0.2)
Average precipitation days (≥ 1 mm)14141518242626252271

Monthly sunshine hours in Iwo, Nigeria

The sunniest months in Iwo are March, May and December, when the sun shines an average of 9 hours 45 minutes a day. Least sunny months in Iwo: January, August and September receive an average of 8 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Iwo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours260281292286301283271252243267282313
Mean daily daylight hours11h 43m11h 52m12h 4m12h 16m12h 27m12h 32m12h 30m12h 20m12h 8m11h 56m11h 45m11h 40m

Solar UV radiation in Iwo, Nigeria

Iwo experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 12 - 14, 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 Iwo UV Index data.

Average daily maximum UV levels by month for Iwo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10111214121212121311910