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Monthly climate in Effium, Nigeria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Effium 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 17 °C (64 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 1464 mm (57.6 inches) and receives 175 rainy days on the 1 mm (0.04 inches) threshold annually. Effium enjoys an average of 3449 hours of sunshine throughout the year, and daylight varies from 11 hours 44 minutes to 12 hours 29 minutes per day.

Monthly average temperatures in Effium, Nigeria

The warmest months in Effium are February, March and April, 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, Effium 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 Effium. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum40°C
(104°F)		40°C
(105°F)		40°C
(105°F)		39°C
(103°F)		36°C
(98°F)		35°C
(95°F)		33°C
(91°F)		33°C
(92°F)		34°C
(94°F)		35°C
(95°F)		36°C
(97°F)		38°C
(100°F)
Mean maximum38°C
(101°F)		39°C
(103°F)		39°C
(102°F)		38°C
(101°F)		36°C
(97°F)		34°C
(93°F)		32°C
(90°F)		33°C
(91°F)		33°C
(92°F)		34°C
(94°F)		35°C
(96°F)		37°C
(98°F)
Average high36°C
(97°F)		37°C
(99°F)		36°C
(98°F)		35°C
(95°F)		33°C
(92°F)		31°C
(89°F)		30°C
(86°F)		30°C
(87°F)		31°C
(87°F)		32°C
(89°F)		33°C
(92°F)		35°C
(96°F)
Daily mean28°C
(83°F)		30°C
(86°F)		30°C
(87°F)		29°C
(85°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
(83°F)		28°C
(83°F)
Average low22°C
(72°F)		23°C
(74°F)		26°C
(79°F)		26°C
(78°F)		25°C
(77°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(75°F)		24°C
(75°F)		24°C
(76°F)		22°C
(73°F)
Mean minimum18°C
(66°F)		20°C
(69°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(73°F)		21°C
(71°F)		19°C
(66°F)
Minimum18°C
(64°F)		19°C
(66°F)		23°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		19°C
(67°F)		17°C
(64°F)

Compare climate in Effium with other places

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

Monthly average precipitation in Effium, Nigeria

Effium usually has the most precipitation in July, August and September, with an average of 26 rainy days and 256 mm (10.1 inches) of precipitation per month. The driest months in Effium are January, February and December. On average, 9 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Effium. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)5 (0.2)19 (0.8)38 (1.5)89 (3.5)137 (5.4)219 (8.6)225 (8.9)227 (8.9)316 (12.4)150 (5.9)36 (1.4)3 (0.1)
Average precipitation days (≥ 1 mm)1381118232725272480

Monthly sunshine hours in Effium, Nigeria

The sunniest months in Effium are March, May and December, when the sun shines an average of 9 hours 57 minutes a day. Least sunny months in Effium: January, July and September receive an average of 8 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Effium. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours260287302292306297275275256283295316
Mean daily daylight hours11h 46m11h 54m12h 4m12h 15m12h 24m12h 29m12h 26m12h 18m12h 8m11h 57m11h 48m11h 44m

Solar UV radiation in Effium, Nigeria

Effium 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 Effium UV Index data.

Average daily maximum UV levels by month for Effium. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10111113121212121211109