Planning for the weather is an important factor for making your trip to Cajueiro da Praia a success, especially when you’re splurging. The hottest months are usually September and October, with an average temperature of 28°C, while the coldest months are July and June, with an average of 27°C. The rainiest months in Cajueiro da Praia are April, March, February and May, with each month seeing an average of 250 mm of rainfall.