Onitsha Weather & Climate: Best Time to Visit
With consistently stable weather, Onitsha, Nigeria, sees little seasonal temperature change. Daytime highs average 33°C (91°F), ranging from 37°C (99°F) in February to 30°C (86°F) in July.
Rainfall is high, totalling around 1463 mm (58 in) per year. September is the wettest month and December the driest. The city also experiences distinct dry (December to February) and wet (June to October) seasons.
Monthly Temperature in Onitsha
The climate in Onitsha remains fairly constant, offering very warm temperatures throughout the year. Average maximum daytime temperatures range from a very hot 37°C (99°F) in February, the warmest time of the year, to a comfortable 30°C (86°F) during cooler months like July.
At night, you can expect temperatures ranging from 25°C (77°F) in February to around 23°C (73°F) during July.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Onitsha
Onitsha is known for its substantial rainfall, with annual precipitation reaching 1463 mm (58 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, September it receives heavy rainfall, averaging 227 mm (8.9 in) of precipitation, recorded across 19 rainy days. In contrast, the driest month December brings less rainfall, with 9.9 mm (0.4 in) over a single rainy day. For more details, please visit our Onitsha Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Onitsha 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Onitsha
In general, temperatures in Onitsha range from 30°C (86°F) to 37°C (99°F) across the year, with January, February, March, November and December being the best time to visit for those who prefer drier weather.Make your experience more enjoyable by planning to be outside during the cooler parts of the day, either early morning or as the sun begins to set. Visitors should note that May, June, July, August, September and October are part of the rainy season, bringing substantial rainfall. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
