Visiting local bars in Oyo is more fun when you know what the weather holds. These rainfall averages and temperatures can help you determine the best time for bar hopping. The hottest months are usually July and February with an average temp of 80°F, while the coldest months are November and October with an average of 78°F. The rainiest months in Oyo are October, November, April, and December, with each month seeing an average of 8 inches of rainfall.