If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Yichang: The hottest months are usually July and August with an average temp of 78°F, while the coldest months are January and December with an average of 46°F. The rainiest months in Yichang are June, July, August, and May, with each month seeing an average of 8 inches of rainfall.