January in Saint-Quentin is the cloudiest and the coldest month of the year. In January, the weather in Saint-Quentin is typically cold. Average daily high temperature in January is about 6 degrees above zero. On average, Saint-Quentin has 12 rainy, 10 cloudy, 7 partly cloudy, and 2 sunny days in January. The rains are usually moderate. January as well as February, March, November, and December is considered the most uncomfortable time to visit Saint-Quentin.