January in Guiyang is the snowiest and the coldest month of the year. In January, the weather in Guiyang is typically cold. Average daily high temperature in January is about 7 degrees above zero. On average, Guiyang has 13 cloudy, 11 rainy, 3 sunny, 3 partly cloudy, and 1 snowy day in January. The rains are usually moderate. January as well as February, March, April, and May is considered the most uncomfortable time to visit Guiyang.