January in Shamattawa is the cloudiest and the most freezing month of the year. In January, the weather in Shamattawa is typically freezing. Average daily high temperature in January is about 20 degrees below zero. On average, Shamattawa has 29 cloudy and 2 snowy days in January. The snowfalls are usually light. January as well as February, March, May, and September is considered the most uncomfortable time to visit Shamattawa.