If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Mahebourg: The hottest months are usually February and January with an average temp of 80°F, while the coldest months are August and July with an average of 72°F. The rainiest months in Mahebourg are January, February, March, and December, with each month seeing an average of 7 inches of rainfall.