Over the next 10 days Onitsha tops out around 30° (Monday) and dips to 22° on the coolest night (Monday). Roughly 3.5 in of rain falls over the period, with Friday the most likely wet day (92%). Right now Onitsha is running about 53° warmer than Ilorin. Longer view: a tropical climate — warm all year, with the calendar split into wet and dry rather than hot and cold.
Onitsha, Nigeria · 6.15°N, 6.79°E · Africa/Lagos · Forecast computed for these exact coordinates