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 L'ile de Carabane: The hottest months are usually November and December, with an average temperature of 27°C, while the coldest months are February and March, with an average of 25°C. The rainiest months in L'ile de Carabane are August, September, July and October, with each month seeing an average of 353 mm of rainfall.