January in Fredericksburg is the snowiest and the coldest month of the year. In January, the weather in Fredericksburg is typically cold. Average daily high temperature in January is about 5 degrees above zero. On average, Fredericksburg has 13 partly cloudy, 12 sunny, 3 rainy, 2 cloudy, and 1 snowy day in January. The rains are usually light. January as well as February, March, and December is considered the most uncomfortable time to visit Fredericksburg.