If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Sawankhalok: The hottest months are usually April and March with an average temp of 86°F, while the coldest months are December and January with an average of 78°F. The rainiest months in Sawankhalok are August, September, July, and May, with each month seeing an average of 10 inches of rainfall.