If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Borongan City: The hottest months are usually August and June with an average temp of 82°F, while the coldest months are February and January with an average of 79°F. The rainiest months in Borongan City are January, December, November, and July, with each month seeing an average of 14 inches of rainfall.