If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Maracas: The hottest months are usually September and October with an average temp of 81°F, while the coldest months are January and February with an average of 78°F. The rainiest months in Maracas are October, November, August, and July, with each month seeing an average of 8 inches of rainfall.