January in Guilin is the coldest month of the year. In January, the weather in Guilin is typically warm. Average daily high temperature in January is about 11 degrees above zero. On average, Guilin has 12 rainy, 8 sunny, 7 cloudy, and 4 partly cloudy days in January. The rains are usually moderate. January as well as February, March, April, and May is considered the most uncomfortable time to visit Guilin.