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Monthly climate in Owerri, Nigeria

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Owerri features a tropical monsoon climate (Am).Temperatures typically range between 25 °C (78 °F) and 29 °C (84 °F) through the year, but rarely can drop to 14 °C (57 °F) or can rise to as high as 41 °C (107 °F).The average annual precipitation amounts to about 2303 mm (90.7 inches) and receives 244 rainy days on the 1 mm (0.04 inches) threshold annually.Owerri enjoys an average of 3145 hours of sunshine throughout the year, and daylight varies from 11 hours 48 minutes to 12 hours 25 minutes per day.

Monthly average temperatures in Owerri, Nigeria §

The warmest months in Owerri are January, February and March, with daily mean temperatures ranging from 28 to 29 °C (82 - 84 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 25 °C (78 - 78 °F) throughout the day. On average each year, Owerri experiences 328 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 Owerri, 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
(101°F)		 41°C
(107°F)		 39°C
(103°F)		 38°C
(101°F)		 36°C
(97°F)		 34°C
(94°F)		 32°C
(91°F)		 33°C
(92°F)		 34°C
(94°F)		 34°C
(94°F)		 35°C
(95°F)		 36°C
(97°F)
Mean maximum 37°C
(100°F)		 39°C
(103°F)		 38°C
(100°F)		 36°C
(97°F)		 35°C
(95°F)		 33°C
(92°F)		 32°C
(89°F)		 32°C
(90°F)		 33°C
(92°F)		 34°C
(93°F)		 34°C
(94°F)		 36°C
(97°F)
Average high 35°C
(96°F)		 37°C
(98°F)		 35°C
(94°F)		 33°C
(92°F)		 32°C
(90°F)		 30°C
(87°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)		 31°C
(87°F)		 32°C
(90°F)		 34°C
(94°F)
Daily mean 28°C
(82°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(82°F)		 27°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(81°F)
Average low 22°C
(72°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 22°C
(72°F)
Mean minimum 18°C
(64°F)		 20°C
(68°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(71°F)		 22°C
(72°F)		 22°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(71°F)		 19°C
(67°F)
Minimum 14°C
(57°F)		 16°C
(61°F)		 21°C
(71°F)		 21°C
(71°F)		 22°C
(72°F)		 21°C
(69°F)		 22°C
(71°F)		 21°C
(70°F)		 22°C
(71°F)		 22°C
(71°F)		 21°C
(70°F)		 18°C
(65°F)

Compare climate in Owerri with other places

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

Monthly average precipitation in Owerri, Nigeria §

Owerri usually has the most precipitation in June, July and September, with an average of 27 rainy days and 326 mm (12.8 inches) of precipitation per month.The driest months in Owerri are January, February and December. On average, 27 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Owerri, 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) 18 (0.7) 41 (1.6) 132 (5.2) 196 (7.7) 248 (9.8) 304 (12.0) 303 (11.9) 256 (10.1) 370 (14.6) 292 (11.5) 122 (4.8) 21 (0.8)
Average precipitation days (≥ 1 mm) 4 7 21 22 26 27 27 25 29 29 21 6

Monthly sunshine hours in Owerri, Nigeria §

The sunniest months in Owerri are March, May and December, when the sun shines an average of 9 hours 12 minutes a day.Least sunny months in Owerri: July, September and October receive an average of 7 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Owerri, 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 248 271 278 269 272 257 244 258 235 239 265 304
Mean daily daylight hours 11h 49m 11h 56m 12h 4m 12h 13m 12h 21m 12h 25m 12h 23m 12h 16m 12h 7m 11h 58m 11h 51m 11h 48m

Solar UV radiation in Owerri, Nigeria §

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

Average daily maximum UV levels by month for Owerri, 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 11 11 11 12 12 10 9