January in Weston-super-Mare is the rainiest and the windiest month of the year. In January, the weather in Weston-super-Mare is typically cold. Average daily high temperature in January is about 7 degrees above zero. On average, Weston-super-Mare has 21 rainy, 5 sunny, 3 partly cloudy, and 2 cloudy days in January. The rains are usually moderate. January as well as February, November, and December is considered the most uncomfortable time to visit Weston-super-Mare.