January in Fredrikstad is the snowiest, the windiest, and the coldest month of the year. In January, the weather in Fredrikstad is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Fredrikstad has 8 cloudy, 8 partly cloudy, 7 sunny, 6 rainy, and 2 snowy days in January. The rains are usually heavy. January as well as February, March, October, and November is considered the most uncomfortable time to visit Fredrikstad.