Taking into account the local weather in Luc Yen is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually May and June with an average temp of 80°F, while the coldest months are January and December with an average of 61°F. The rainiest months in Luc Yen are August, July, June, and May, with each month seeing an average of 12 inches of rainfall.