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Monthly climate in Ilesa, Osun, Nigeria

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ilesa features a tropical savanna climate (Aw).Temperatures typically range between 24 °C (75 °F) and 28 °C (83 °F) through the year, but rarely can drop to 16 °C (61 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 1460 mm (57.5 inches) and receives 198 rainy days on the 1 mm (0.04 inches) threshold annually.Ilesa enjoys an average of 3391 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 Ilesa, Osun, Nigeria §

The warmest months in Ilesa are January, February and March, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 24 to 24 °C (75 - 76 °F) throughout the day. On average each year, Ilesa experiences 324 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 Ilesa, 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 37°C
(100°F)		 39°C
(102°F)		 39°C
(102°F)		 37°C
(99°F)		 35°C
(95°F)		 33°C
(92°F)		 32°C
(90°F)		 31°C
(88°F)		 32°C
(90°F)		 33°C
(91°F)		 36°C
(96°F)		 36°C
(98°F)
Mean maximum 37°C
(98°F)		 38°C
(101°F)		 37°C
(99°F)		 35°C
(96°F)		 34°C
(93°F)		 32°C
(89°F)		 31°C
(88°F)		 30°C
(87°F)		 31°C
(88°F)		 32°C
(91°F)		 35°C
(94°F)		 36°C
(97°F)
Average high 35°C
(95°F)		 35°C
(96°F)		 34°C
(93°F)		 32°C
(90°F)		 31°C
(87°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(84°F)		 30°C
(86°F)		 32°C
(89°F)		 34°C
(93°F)
Daily mean 27°C
(81°F)		 28°C
(83°F)		 27°C
(82°F)		 27°C
(80°F)		 26°C
(79°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 26°C
(79°F)		 27°C
(80°F)
Average low 21°C
(70°F)		 22°C
(73°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(71°F)		 22°C
(71°F)		 22°C
(72°F)		 22°C
(73°F)		 21°C
(71°F)
Mean minimum 17°C
(63°F)		 18°C
(65°F)		 22°C
(71°F)		 22°C
(71°F)		 21°C
(70°F)		 21°C
(69°F)		 21°C
(70°F)		 20°C
(69°F)		 20°C
(69°F)		 21°C
(70°F)		 21°C
(70°F)		 18°C
(64°F)
Minimum 16°C
(61°F)		 16°C
(61°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 20°C
(68°F)		 20°C
(69°F)		 19°C
(67°F)		 20°C
(68°F)		 21°C
(69°F)		 20°C
(68°F)		 16°C
(62°F)

Compare climate in Ilesa with other places

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

Monthly average precipitation in Ilesa, Osun, Nigeria §

Ilesa usually has the most precipitation in June, September and October, with an average of 25 rainy days and 226 mm (8.9 inches) of precipitation per month.The driest months in Ilesa are January, February and December. On average, 14 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ilesa, 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) 6 (0.3) 27 (1.1) 88 (3.5) 86 (3.4) 136 (5.4) 209 (8.2) 177 (6.9) 192 (7.6) 253 (10.0) 214 (8.4) 64 (2.5) 7 (0.3)
Average precipitation days (≥ 1 mm) 1 4 17 18 20 25 25 26 25 25 10 2

Monthly sunshine hours in Ilesa, Osun, Nigeria §

The sunniest months in Ilesa are March, May and December, when the sun shines an average of 9 hours 49 minutes a day.Least sunny months in Ilesa: January, August and September receive an average of 8 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ilesa, 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 261 283 293 288 305 288 279 260 252 275 287 315
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 Ilesa, Osun, Nigeria §

Ilesa 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.February, November 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 Ilesa UV Index data.

Average daily maximum UV levels by month for Ilesa, 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) 11 11 12 14 12 12 12 12 13 12 10 10