January in Dusseldorf is the cloudiest and the coldest month of the year. In January, the weather in Dusseldorf is typically cold. Average daily high temperature in January is about 4 degrees above zero. On average, Dusseldorf has 18 rainy, 8 cloudy, 3 sunny, and 2 partly cloudy days in January. The rains are usually moderate. January as well as February, March, November, and December is considered the most uncomfortable time to visit Dusseldorf.