January in Dixon is the snowiest and the most freezing month of the year. In January, the weather in Dixon is typically freezing. Average daily high temperature in January is about 1 degree below zero. On average, Dixon has 9 partly cloudy, 8 sunny, 8 cloudy, 4 snowy, and 2 rainy days in January. The snowfalls are usually light. January as well as February, March, April, and November is considered the most uncomfortable time to visit Dixon.