Weather is probably a major factor when you plan your trip to Anapu, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually September and October with an average temp of 83°F, while the coldest months are June and July with an average of 78°F. The rainiest months in Anapu are March, February, January, and April, with each month seeing an average of 16 inches of rainfall.