Weather can make or break a roadtrip, so we've gathered some data about year-round temperatures in Basse Santa Su to help you plan yours. The hottest months are usually April and May with an average temp of 92°F, while the coldest months are January and December with an average of 84°F. The rainiest months in Basse Santa Su are August, September, July, and June, with each month seeing an average of 7 inches of rainfall.