December in Helsingborg is the rainiest and the windiest month of the year. In December, the weather in Helsingborg is typically cold. Average daily high temperature in December is about 4 degrees above zero. On average, Helsingborg has 23 rainy, 6 cloudy, and 2 sunny days in December. The rains are usually moderate. December as well as January, February, October, and November is considered the most uncomfortable time to visit Helsingborg.