If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Ang Thong: The hottest months are usually May and June with an average temp of 84°F, while the coldest months are January and February with an average of 81°F. The rainiest months in Ang Thong are November, October, September, and December, with each month seeing an average of 11 inches of rainfall.