Taking into account the local weather in Costa do Sol is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually February and January with an average temp of 71°F, while the coldest months are July and June with an average of 62°F. The rainiest months in Costa do Sol are January, February, December, and November, with each month seeing an average of 10 inches of rainfall.