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Monthly climate in Oleh, Delta, Nigeria

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Oleh 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 16 °C (61 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 2603 mm (102.5 inches) and receives 269 rainy days on the 1 mm (0.04 inches) threshold annually.Oleh enjoys an average of 3101 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 Oleh, Delta, Nigeria §

The warmest months in Oleh 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 26 °C (78 - 78 °F) throughout the day. On average each year, Oleh 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 Oleh, Delta, 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
(99°F)		 39°C
(103°F)		 38°C
(101°F)		 36°C
(97°F)		 35°C
(96°F)		 34°C
(93°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)
Mean maximum 37°C
(98°F)		 38°C
(101°F)		 36°C
(98°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(91°F)		 31°C
(89°F)		 32°C
(89°F)		 32°C
(90°F)		 33°C
(92°F)		 34°C
(93°F)		 35°C
(96°F)
Average high 35°C
(94°F)		 35°C
(96°F)		 34°C
(93°F)		 33°C
(91°F)		 32°C
(89°F)		 30°C
(87°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)		 31°C
(87°F)		 32°C
(90°F)		 34°C
(93°F)
Daily mean 28°C
(82°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(78°F)		 26°C
(78°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(82°F)
Average low 23°C
(73°F)		 24°C
(76°F)		 25°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)
Mean minimum 19°C
(67°F)		 21°C
(69°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(73°F)		 22°C
(72°F)		 20°C
(68°F)
Minimum 16°C
(61°F)		 18°C
(65°F)		 22°C
(72°F)		 22°C
(73°F)		 22°C
(72°F)		 22°C
(71°F)		 21°C
(70°F)		 21°C
(70°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(71°F)		 19°C
(66°F)

Compare climate in Oleh with other places

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

Monthly average precipitation in Oleh, Delta, Nigeria §

Oleh usually has the most precipitation in July, September and October, with an average of 29 rainy days and 354 mm (13.9 inches) of precipitation per month.The driest months in Oleh are January, February and December. On average, 43 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oleh, Delta, 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) 34 (1.3) 55 (2.2) 155 (6.1) 231 (9.1) 277 (10.9) 310 (12.2) 316 (12.5) 271 (10.7) 386 (15.2) 360 (14.2) 168 (6.6) 38 (1.5)
Average precipitation days (≥ 1 mm) 8 10 25 24 27 28 28 26 29 30 24 10

Monthly sunshine hours in Oleh, Delta, Nigeria §

The sunniest months in Oleh are February, March and December, when the sun shines an average of 9 hours 19 minutes a day.Least sunny months in Oleh: July, September and October receive an average of 7 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oleh, Delta, 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 248 269 273 265 267 250 240 256 226 232 265 305
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 Oleh, Delta, Nigeria §

Oleh 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 Oleh UV Index data.

Average daily maximum UV levels by month for Oleh, Delta, 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 13 11 11 11 12 11 10 9