November in Koblenz is the cloudiest month of the year. In November, the weather in Koblenz is typically cold. Average daily high temperature in November is about 7 degrees above zero. On average, Koblenz has 15 cloudy, 13 rainy, and 2 sunny days in November. The rains are usually light. November as well as January, February, and December is considered the most uncomfortable time to visit Koblenz.