December in Alingsas is the windiest month of the year. In December, the weather in Alingsas is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Alingsas has 19 rainy, 5 cloudy, 3 snowy, 3 sunny, and 1 partly cloudy day in December. The rains are usually moderate. December as well as February, March, May, and October is considered the most uncomfortable time to visit Alingsas.