Weather will likely play an important role when you plan your trip to Zhanjiang, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually June and July with an average temp of 84°F, while the coldest months are January and December with an average of 67°F. The rainiest months in Zhanjiang are August, July, June, and September, with each month seeing an average of 10 inches of rainfall.