In December, the weather in Kristiansand is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Kristiansand has 10 rainy, 8 partly cloudy, 6 sunny, 5 cloudy, and 2 snowy days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Kristiansand.