You might spend a lot of your vacation inside, but if you want to see more of the area, looking at local weather trends is a good idea. The hottest months are usually August and September 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 Bislig are January, December, February, and November, with each month seeing an average of 14 inches of rainfall.