January weather forecast in Ashburn

January in Ashburn is the snowiest and the coldest month of the year. In January, the weather in Ashburn is typically cold. Average daily high temperature in January is about 3 degrees above zero. On average, Ashburn has 13 partly cloudy, 9 sunny, 6 rainy, 2 cloudy, and 1 snowy day in January. The rains are usually moderate. January as well as February, March, and December is considered the most uncomfortable time to visit Ashburn.