If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Macaé: The hottest months are usually February and January with an average temp of 77°F, while the coldest months are July and August with an average of 70°F. The rainiest months in Macaé are November, December, January, and March, with each month seeing an average of 8 inches of rainfall.