Visiting local bars in Pailin is more fun in good weather. These temperatures and rainfall averages can help you decide the best time for bar hopping. The hottest months are usually April and March with an average temp of 82°F, while the coldest months are January and December with an average of 79°F. The rainiest months in Pailin are September, July, August, and June, with each month seeing an average of 17 inches of rainfall.