December in Liverpool is the cloudiest month of the year. In December, the weather in Liverpool is typically cold. Average daily high temperature in December is about 8 degrees above zero. On average, Liverpool has 19 rainy, 6 cloudy, 3 sunny, and 3 partly cloudy days in December. The rains are usually moderate. December as well as January, February, March, and July is considered the most uncomfortable time to visit Liverpool.