Taking into account the local weather in Barra do Chapéu is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually December and February with an average temp of 71°F, while the coldest months are July and June with an average of 61°F. The rainiest months in Barra do Chapéu are January, December, February, and November, with each month seeing an average of 7 inches of rainfall.