Taking into account the local weather in Dinalungan is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually June and May with an average temp of 81°F, while the coldest months are January and February with an average of 76°F. The rainiest months in Dinalungan are December, October, July, and September, with each month seeing an average of 17 inches of rainfall.