Weather is probably a major factor when you plan your trip to Dali County, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and June with an average temp of 68°F, while the coldest months are January and December with an average of 33°F. The rainiest months in Dali County are July, August, September, and June, with each month seeing an average of 8 inches of rainfall.