Weather is probably a major factor when you plan your trip to Oyo, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually February and January, with an average temperature of 29°C, while the coldest months are August and July, with an average of 25°C. The rainiest months in Oyo are September, August, June and July, with each month seeing an average of 184 mm of rainfall.