If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Banda Aceh: The hottest months are usually June and July with an average temp of 81°F, while the coldest months are January and February with an average of 78°F. The rainiest months in Banda Aceh are November, December, May, and October, with each month seeing an average of 13 inches of rainfall.