Planning for the weather is a good way to make your trip to Ganzhou relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August with an average temp of 79°F, while the coldest months are January and December with an average of 52°F. The rainiest months in Ganzhou are June, May, April, and March, with each month seeing an average of 13 inches of rainfall.