January weather forecast in Oshkosh

January in Oshkosh is the cloudiest and the most freezing month of the year. In January, the weather in Oshkosh is typically freezing. Average daily high temperature in January is about 6 degrees below zero. On average, Oshkosh has 21 cloudy, 6 snowy, 3 sunny, and 1 partly cloudy day in January. The snowfalls are usually light.