Taking into account the local weather in Waeng is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually May and April with an average temp of 81°F, while the coldest months are February and January with an average of 77°F. The rainiest months in Waeng are November, December, October, and September, with each month seeing an average of 15 inches of rainfall.