Taking into account the local weather in Itapeva is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually September and February with an average temp of 68°F, while the coldest months are July and June with an average of 61°F. The rainiest months in Itapeva are January, December, February, and November, with each month seeing an average of 11 inches of rainfall.