January weather forecast in Chester

January in Chester is the windiest and the coldest month of the year. In January, the weather in Chester is typically cold. Average daily high temperature in January is about 6 degrees above zero. On average, Chester has 16 rainy, 7 cloudy, 5 sunny, and 3 partly cloudy days in January. The rains are usually moderate. January as well as February, October, November, and December is considered the most uncomfortable time to visit Chester.