Planning for the weather is a good way to make your trip to Hinatuan relaxing and enjoyable, especially when you're splurging. 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 79°F. The rainiest months in Hinatuan are January, December, February, and November, with each month seeing an average of 16 inches of rainfall.