January weather forecast in Washington

January in Washington is the snowiest and the coldest month of the year. In January, the weather in Washington is typically cold. Average daily high temperature in January is about 4 degrees above zero. On average, Washington has 16 partly cloudy, 10 sunny, 4 rainy, 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 Washington.