January in Marshfield is the snowiest and the most freezing month of the year. In January, the weather in Marshfield is typically freezing. Average daily high temperature in January is about 4 degrees below zero. On average, Marshfield has 9 cloudy, 9 partly cloudy, 7 sunny, 5 snowy, and 1 rainy day in January. The snowfalls are usually light. January as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Marshfield.