Taking into account the local weather in Odiongan is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually May and June with an average temp of 83°F, while the coldest months are January and February with an average of 80°F. The rainiest months in Odiongan are July, October, September, and December, with each month seeing an average of 14 inches of rainfall.