December in Cambrai is the windiest month of the year. In December, the weather in Cambrai is typically cold. Average daily high temperature in December is about 6 degrees above zero. On average, Cambrai has 16 rainy, 9 cloudy, 4 sunny, and 2 partly cloudy days in December. The rains are usually moderate. December as well as January, February, and November is considered the most uncomfortable time to visit Cambrai.