January in Ganzhou is the coldest month of the year. In January, the weather in Ganzhou is typically cold. Average daily high temperature in January is about 9 degrees above zero. On average, Ganzhou has 12 rainy, 9 cloudy, 7 sunny, and 3 partly cloudy days in January. The rains are usually moderate. January as well as March, April, May, and June is considered the most uncomfortable time to visit Ganzhou.