Weather will likely play an important role when you plan your trip to Ilorin, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually February and March, with an average temperature of 29°C, while the coldest months are January and December, with an average of 26°C. The rainiest months in Ilorin are September, August, June and July, with each month seeing an average of 176 mm of rainfall.