Weather is probably a major factor when you plan your trip to U Thong, but bear 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 temperature of 30°C, while the coldest months are December and January, with an average of 27°C. The rainiest months in U Thong are September, October, August and May, with each month seeing an average of 216 mm of rainfall.