In March, the weather in Skien is typically cold. Average daily high temperature in March is about 4 degrees above zero. On average, Skien has 11 rainy, 7 sunny, 7 cloudy, 5 partly cloudy, and 1 snowy day in March. The rains are usually moderate. March as well as May, October, November, and December is considered the most uncomfortable time to visit Skien.