January weather forecast in Nyköping

January in Nyköping is the snowiest, the cloudiest, and the most freezing month of the year. In January, the weather in Nyköping is typically freezing. Average daily high temperature in January is about zero. On average, Nyköping has 15 cloudy, 11 snowy, 3 rainy, and 2 sunny days in January. The snowfalls are usually light.