Weather is probably a major factor when you plan your trip to Wangmo County, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 23°C, while the coldest months are January and December, with an average of 11°C. The rainiest months in Wangmo County are June, July, May and August, with each month seeing an average of 288 mm of rainfall.