Planning for the weather is an important factor for making your trip to Bongabong a success, 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 78°F. The rainiest months in Bongabong are December, January, September, and July, with each month seeing an average of 17 inches of rainfall.