January in Mjolby is the snowiest, the windiest, and the most freezing month of the year. In January, the weather in Mjolby is typically freezing. Average daily high temperature in January is about zero. On average, Mjolby has 14 cloudy, 8 partly cloudy, 3 rainy, 3 snowy, and 3 sunny days in January. The rains are usually moderate. January as well as February, March, April, and May is considered the most uncomfortable time to visit Mjolby.