If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Huaihua: The hottest months are usually August and July with an average temp of 79°F, while the coldest months are January and December with an average of 47°F. The rainiest months in Huaihua are June, May, April, and July, with each month seeing an average of 11 inches of rainfall.