January in Ghent is the rainiest and the coldest month of the year. In January, the weather in Ghent is typically cold. Average daily high temperature in January is about 5 degrees above zero. On average, Ghent has 20 rainy, 7 cloudy, and 4 sunny days in January. The rains are usually moderate. January as well as February, October, November, and December is considered the most uncomfortable time to visit Ghent.