Planning for the weather is a good way to make your trip to Baybay City relaxing and enjoyable, especially when you're splurging. The hottest months are usually May and June with an average temp of 82°F, while the coldest months are February and January with an average of 79°F. The rainiest months in Baybay City are July, June, September, and October, with each month seeing an average of 12 inches of rainfall.