Planning for the weather is a good way to make your trip to Peruíbe relaxing and enjoyable, especially when you’re splurging. The hottest months are usually February and January with an average temp of 76°F, while the coldest months are July and August with an average of 67°F. The rainiest months in Peruíbe are January, February, March, and December, with each month seeing an average of 9 inches of rainfall.