If you're hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Caue Ilheu Das Rolas: The hottest months are usually March and April, with an average temperature of 28°C, while the coldest months are July and August, with an average of 25°C. The rainiest months in Caue Ilheu Das Rolas are November, October, December and April, with each month seeing an average of 249 mm of rainfall.