Weather is probably a major factor when you plan your trip to Buriram, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and March with an average temp of 85°F, while the coldest months are January and December with an average of 78°F. The rainiest months in Buriram are September, July, August, and October, with each month seeing an average of 10 inches of rainfall.