Weather is probably a major factor when you plan your trip to Khun Yuam, 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 25°C, while the coldest months are January and February, with an average of 20°C. The rainiest months in Khun Yuam are August, July, September and June, with each month seeing an average of 286 mm of rainfall.