Weather will likely play an important role when you plan your trip to Ibadan, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually January and February with an average temp of 84°F, while the coldest months are August and July with an average of 78°F. The rainiest months in Ibadan are September, June, July, and August, with each month seeing an average of 9 inches of rainfall.