If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Liupanshui: The hottest months are usually July and August with an average temp of 68°F, while the coldest months are January and December with an average of 47°F. The rainiest months in Liupanshui are June, July, August, and May, with each month seeing an average of 11 inches of rainfall.