Onitsha Climate by Month
Onitsha has relatively stable weather with very warm temperatures.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
The climate in Onitsha remains fairly constant, offering very warm temperatures throughout the year. Average daytime temperatures range from a very hot 37°C in February, the warmest time of the year, to a comfortable 30°C during cooler months like July. At night, temperatures typically average around 23°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Onitsha is known for its substantial rainfall, with annual precipitation reaching 1463 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, September receives heavy rainfall, averaging 227 mm of precipitation, recorded across 19 rainy days. In contrast, the drier season, December brings less rainfall, with 9.9 mm over a single rainy day.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
The best time of year to visit Onitsha in Nigeria
Other facts from our historical weather data:Most rainfall (rainy season) is seen in May, June, July, August, September and October.
Yes, the months of January and December are very dry.
February has an average maximum temperature of 37°C and is the hottest month of the year.
The coolest month is August with an average maximum temperature of 30°C.
September tops the wettest month list with 227 mm of rainfall.
December is the driest month with 10 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
