If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Buccoo: The hottest months are usually September and October with an average temp of 83°F, while the coldest months are February and January with an average of 80°F. The rainiest months in Buccoo are November, July, October, and August, with each month seeing an average of 8 inches of rainfall.