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Monthly climate in Isu, Nigeria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Isu features a tropical savanna climate (Aw). Temperatures typically range between 26 °C (79 °F) and 30 °C (87 °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 1587 mm (62.5 inches) and receives 193 rainy days on the 1 mm (0.04 inches) threshold annually. Isu enjoys an average of 3357 hours of sunshine throughout the year, and daylight varies from 11 hours 45 minutes to 12 hours 27 minutes per day.

Monthly average temperatures in Isu, Nigeria

The warmest months in Isu are January, February and March, with daily mean temperatures ranging from 29 to 30 °C (85 - 87 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 26 to 26 °C (79 - 79 °F) throughout the day. On average each year, Isu 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 Isu. 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)		39°C
(102°F)		36°C
(97°F)		35°C
(95°F)		33°C
(91°F)		33°C
(92°F)		34°C
(94°F)		35°C
(95°F)		35°C
(96°F)		38°C
(100°F)
Mean maximum38°C
(100°F)		39°C
(103°F)		39°C
(102°F)		38°C
(100°F)		35°C
(96°F)		34°C
(93°F)		32°C
(91°F)		33°C
(91°F)		33°C
(92°F)		34°C
(93°F)		35°C
(95°F)		37°C
(98°F)
Average high36°C
(97°F)		37°C
(99°F)		36°C
(97°F)		34°C
(94°F)		33°C
(91°F)		31°C
(89°F)		30°C
(86°F)		30°C
(87°F)		30°C
(87°F)		31°C
(89°F)		33°C
(92°F)		35°C
(95°F)
Daily mean29°C
(85°F)		30°C
(87°F)		30°C
(87°F)		29°C
(84°F)		28°C
(83°F)		27°C
(81°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		27°C
(81°F)		28°C
(82°F)		29°C
(84°F)
Average low23°C
(74°F)		25°C
(77°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		23°C
(74°F)
Mean minimum19°C
(67°F)		21°C
(70°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		22°C
(72°F)		20°C
(68°F)
Minimum18°C
(65°F)		18°C
(65°F)		24°C
(75°F)		22°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(73°F)		22°C
(73°F)		22°C
(72°F)		20°C
(69°F)		18°C
(65°F)

Compare climate in Isu with other places

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

Monthly average precipitation in Isu, Nigeria

Isu usually has the most precipitation in June, August and September, with an average of 25 rainy days and 247 mm (9.7 inches) of precipitation per month. The driest months in Isu are January, February and December. On average, 11 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Isu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)8 (0.3)21 (0.8)48 (1.9)109 (4.3)177 (7.0)238 (9.4)223 (8.8)224 (8.8)278 (11.0)199 (7.8)57 (2.2)6 (0.2)
Average precipitation days (≥ 1 mm)131015212428262726120

Monthly sunshine hours in Isu, Nigeria

The sunniest months in Isu are March, May and December, when the sun shines an average of 9 hours 42 minutes a day. Least sunny months in Isu: January, July and September receive an average of 8 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Isu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257282293283299286266273252270280309
Mean daily daylight hours11h 47m11h 54m12h 4m12h 14m12h 23m12h 27m12h 25m12h 17m12h 7m11h 57m11h 49m11h 45m

Solar UV radiation in Isu, Nigeria

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

Average daily maximum UV levels by month for Isu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1011111312121211121299