January in Dawson is the snowiest, the sunniest, and the most freezing month of the year. In January, the weather in Dawson is typically freezing. Average daily high temperature in January is about 15 degrees below zero. On average, Dawson has 11 sunny, 11 partly cloudy, 8 cloudy, and 1 snowy day in January. The snowfalls are usually light. January as well as February, March, November, and December is considered the most uncomfortable time to visit Dawson.