December in Bury Saint Edmunds is the windiest month of the year. In December, the weather in Bury Saint Edmunds is typically cold. Average daily high temperature in December is about 7 degrees above zero. On average, Bury Saint Edmunds has 14 rainy, 10 cloudy, 5 sunny, and 2 partly cloudy days in December. The rains are usually moderate. December as well as January, February, June, and July is considered the most uncomfortable time to visit Bury Saint Edmunds.