January in Bergisch Gladbach is the snowiest and the coldest month of the year. In January, the weather in Bergisch Gladbach is typically cold. Average daily high temperature in January is about 4 degrees above zero. On average, Bergisch Gladbach has 12 rainy, 7 cloudy, 7 partly cloudy, 4 sunny, and 1 snowy day in January. The rains are usually heavy. January as well as February, March, October, and November is considered the most uncomfortable time to visit Bergisch Gladbach.