Weather will likely play an important role when you plan your trip to Cham Kho, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and May, with an average temperature of 29°C, while the coldest months are January and December, with an average of 27°C. The rainiest months in Cham Kho are September, July, August and October, with each month seeing an average of 358 mm of rainfall.