Taking into account the local weather in Corinto is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually September and August with an average temp of 65°F, while the coldest months are January and December with an average of 64°F. The rainiest months in Corinto are November, October, April, and March, with each month seeing an average of 19 inches of rainfall.