December in Maidstone is the windiest month of the year. In December, the weather in Maidstone is typically cold. Average daily high temperature in December is about 7 degrees above zero. On average, Maidstone has 13 rainy, 8 cloudy, 5 sunny, and 5 partly cloudy days in December. The rains are usually moderate. December as well as January, February, March, and November is considered the most uncomfortable time to visit Maidstone.