January in Kiel is the snowiest and the coldest month of the year. In January, the weather in Kiel is typically cold. Average daily high temperature in January is about 3 degrees above zero. On average, Kiel has 10 rainy, 10 partly cloudy, 8 cloudy, 2 sunny, and 1 snowy day in January. The rains are usually moderate. January as well as February, March, April, and October is considered the most uncomfortable time to visit Kiel.