Taking into account the local weather in Tampacán 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 80°F, while the coldest months are January and December with an average of 64°F. The rainiest months in Tampacán are September, June, October, and July, with each month seeing an average of 8 inches of rainfall.