Weather is probably a major factor when you plan your trip to Weining Yi Hui and Miao Autonomous 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 17°C, while the coldest months are January and December, with an average of 6°C. The rainiest months in Weining Yi Hui and Miao Autonomous County are June, July, August and September, with each month seeing an average of 238 mm of rainfall.