January weather forecast in Calais

January in Calais is the cloudiest month of the year. In January, the weather in Calais is typically cold. Average daily high temperature in January is about 7 degrees above zero. On average, Calais has 20 rainy, 5 cloudy, 4 sunny, and 2 partly cloudy days in January. The rains are usually moderate. January as well as February, March, October, and November is considered the most uncomfortable time to visit Calais.