December in Haugesund is the rainiest and the windiest month of the year. In December, the weather in Haugesund is typically cold. Average daily high temperature in December is about 5 degrees above zero. On average, Haugesund has 27 rainy and 4 sunny days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Haugesund.