If you're hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Lianyungang: The hottest months are usually July and August with an average temp of 76°F, while the coldest months are January and February with an average of 40°F. The rainiest months in Lianyungang are July, August, June, and September, with each month seeing an average of 7 inches of rainfall.