If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in St.Bran’s Burg: The hottest months are usually August and July with an average temp of 82°F, while the coldest months are January and February with an average of 78°F. The rainiest months in St.Bran’s Burg are May, October, September, and August, with each month seeing an average of 9 inches of rainfall.