nomadseason

Monthly climate in Illushi, Nigeria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Illushi features a tropical savanna climate (Aw). Temperatures typically range between 27 °C (80 °F) and 31 °C (88 °F) through the year, but rarely can drop to 18 °C (65 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 1287 mm (50.7 inches) and receives 164 rainy days on the 1 mm (0.04 inches) threshold annually. Illushi enjoys an average of 3404 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 Illushi, Nigeria

The warmest months in Illushi are February, March and April, with daily mean temperatures ranging from 30 to 31 °C (86 - 88 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 27 to 27 °C (80 - 80 °F) throughout the day. On average each year, Illushi experiences 329 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 Illushi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum40°C
(104°F)		41°C
(106°F)		40°C
(105°F)		40°C
(105°F)		38°C
(100°F)		35°C
(96°F)		33°C
(92°F)		34°C
(93°F)		34°C
(94°F)		35°C
(95°F)		36°C
(97°F)		39°C
(102°F)
Mean maximum39°C
(102°F)		40°C
(105°F)		40°C
(103°F)		38°C
(101°F)		37°C
(99°F)		34°C
(94°F)		33°C
(92°F)		33°C
(92°F)		34°C
(93°F)		34°C
(94°F)		35°C
(96°F)		38°C
(100°F)
Average high37°C
(98°F)		38°C
(100°F)		37°C
(99°F)		35°C
(96°F)		34°C
(93°F)		32°C
(90°F)		30°C
(87°F)		31°C
(87°F)		31°C
(88°F)		32°C
(90°F)		34°C
(93°F)		36°C
(97°F)
Daily mean30°C
(86°F)		31°C
(88°F)		31°C
(88°F)		30°C
(86°F)		29°C
(84°F)		27°C
(82°F)		27°C
(80°F)		27°C
(80°F)		27°C
(80°F)		27°C
(82°F)		29°C
(84°F)		30°C
(85°F)
Average low24°C
(75°F)		25°C
(78°F)		27°C
(80°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)
Mean minimum20°C
(68°F)		21°C
(70°F)		25°C
(77°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(75°F)		21°C
(70°F)
Minimum18°C
(65°F)		18°C
(65°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
(73°F)		23°C
(74°F)		23°C
(73°F)		20°C
(68°F)

Compare climate in Illushi with other places

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

Monthly average precipitation in Illushi, Nigeria

Illushi usually has the most precipitation in July, August and September, with an average of 25 rainy days and 222 mm (8.8 inches) of precipitation per month. The driest months in Illushi are January, February and December. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Illushi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)4 (0.1)17 (0.7)43 (1.7)73 (2.9)127 (5.0)180 (7.1)227 (8.9)200 (7.9)240 (9.4)151 (5.9)22 (0.9)3 (0.1)
Average precipitation days (≥ 1 mm)0291217222724262050

Monthly sunshine hours in Illushi, Nigeria

The sunniest months in Illushi are May, June and December, when the sun shines an average of 9 hours 52 minutes a day. Least sunny months in Illushi: January, September and October receive an average of 8 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Illushi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257282291287307291278282262275279309
Mean daily daylight hours11h 46m11h 54m12h 4m12h 15m12h 24m12h 29m12h 26m12h 18m12h 8m11h 57m11h 48m11h 43m

Solar UV radiation in Illushi, Nigeria

Illushi 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 Illushi UV Index data.

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