Weather will likely play an important role when you plan your trip to Camanducaia, and keep in mind that cheaper options are usually available when the weather isn't as good. 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 Camanducaia are January, December, February, and November, with each month seeing an average of 11 inches of rainfall.