Weather can make or break a roadtrip, so here's some data about year-round temperatures in Magsaysay to help you plan yours: The hottest months are usually May and June with an average temp of 83°F, while the coldest months are February and January with an average of 81°F. The rainiest months in Magsaysay are July, September, June, and August, with each month seeing an average of 17 inches of rainfall.