Planning for the weather is a good way to make your trip to Baiyu County relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and August with an average temp of 53°F, while the coldest months are January and December with an average of 23°F. The rainiest months in Baiyu County are July, June, August, and September, with each month seeing an average of 8 inches of rainfall.