Weather is probably a major factor when you plan your trip to Tampakan, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and March with an average temp of 79°F, while the coldest months are July and June with an average of 77°F. The rainiest months in Tampakan are May, June, July, and October, with each month seeing an average of 15 inches of rainfall.