January in Caen is the coldest month of the year. In January, the weather in Caen is typically cold. Average daily high temperature in January is about 7 degrees above zero. On average, Caen has 17 rainy, 6 sunny, 5 cloudy, and 3 partly cloudy days in January. The rains are usually moderate. January as well as February, November, and December is considered the most uncomfortable time to visit Caen.