January in Tomahawk is the most freezing month of the year. In January, the weather in Tomahawk is typically freezing. Average daily high temperature in January is about 9 degrees below zero. On average, Tomahawk has 23 cloudy, 7 snowy, and 1 sunny day in January. The snowfalls are usually light. January as well as March, April, October, and November is considered the most uncomfortable time to visit Tomahawk.