In February, the weather in Fond Du Lac is typically freezing. Average daily high temperature in February is about 1 degree below zero. On average, Fond Du Lac has 10 partly cloudy, 7 sunny, 7 cloudy, 4 snowy, and 1 rainy day in February. The snowfalls are usually moderate. February as well as March, April, May, and October is considered the most uncomfortable time to visit Fond Du Lac.