January in Bad Munstereifel is the snowiest and the coldest month of the year. In January, the weather in Bad Munstereifel is typically cold. Average daily high temperature in January is about 4 degrees above zero. On average, Bad Munstereifel has 11 rainy, 8 partly cloudy, 7 cloudy, 4 sunny, and 1 snowy day in January. The rains are usually moderate. January as well as February, March, October, and November is considered the most uncomfortable time to visit Bad Munstereifel.