Weather will likely play an important role when you plan your trip to Cantilan, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and June with an average temp of 81°F, while the coldest months are February and March with an average of 78°F. The rainiest months in Cantilan are January, December, February, and November, with each month seeing an average of 17 inches of rainfall.