Taking into account the local weather in Wanning is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually June and July with an average temp of 83°F, while the coldest months are January and February with an average of 70°F. The rainiest months in Wanning are October, September, August, and July, with each month seeing an average of 12 inches of rainfall.