Weather will likely play an important role when you plan your trip to Rapu-Rapu, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually June and May 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 Rapu-Rapu are December, January, November, and July, with each month seeing an average of 17 inches of rainfall.