If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Ilorin: The hottest months are usually February and March with an average temp of 85°F, while the coldest months are January and December with an average of 79°F. The rainiest months in Ilorin are September, August, June, and July, with each month seeing an average of 7 inches of rainfall.