If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Mambajao: The hottest months are usually May and April with an average temp of 80°F, while the coldest months are February and January with an average of 78°F. The rainiest months in Mambajao are January, June, July, and May, with each month seeing an average of 14 inches of rainfall.