November in Rheinfelden is the cloudiest month of the year. In November, the weather in Rheinfelden is typically cold. Average daily high temperature in November is about 7 degrees above zero. On average, Rheinfelden has 12 rainy, 9 partly cloudy, 6 cloudy, and 3 sunny days in November. The rains are usually heavy. November as well as January, February, March, and April is considered the most uncomfortable time to visit Rheinfelden.