January in Ascot is the coldest month of the year. In January, the weather in Ascot is typically cold. Average daily high temperature in January is about 6 degrees above zero. On average, Ascot has 15 rainy, 9 cloudy, 5 sunny, and 2 partly cloudy days in January. The rains are usually moderate. January as well as February, March, November, and December is considered the most uncomfortable time to visit Ascot.