If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Wuyigong: The hottest months are usually July and August with an average temp of 75°F, while the coldest months are January and December with an average of 47°F. The rainiest months in Wuyigong are June, May, July, and August, with each month seeing an average of 19 inches of rainfall.