January in Weifang is the coldest month of the year. In January, the weather in Weifang is typically cold. Average daily high temperature in January is about 2 degrees above zero. On average, Weifang has 21 sunny, 9 partly cloudy, and 1 cloudy day in January. January as well as February, July, August, and December is considered the most uncomfortable time to visit Weifang.