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Monthly climate in Iwo, Osun, Nigeria

Last updated: May 6, 2024

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, Osun, 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, Osun, Nigeria.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 38°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 maximum 37°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 high 35°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 mean 28°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 low 22°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 minimum 19°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)
Minimum 17°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, Osun, Nigeria with other places around the world.

Monthly average precipitation in Iwo, Osun, 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, Osun, Nigeria.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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) 1 4 14 15 18 24 26 26 25 22 7 1

Monthly sunshine hours in Iwo, Osun, 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, Osun, Nigeria.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 260 281 292 286 301 283 271 252 243 267 282 313
Mean daily daylight hours 11h 43m 11h 52m 12h 4m 12h 16m 12h 27m 12h 32m 12h 30m 12h 20m 12h 8m 11h 56m 11h 45m 11h 40m

Solar UV radiation in Iwo, Osun, 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, Osun, Nigeria.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 10 11 12 14 12 12 12 12 13 11 9 10