In November, the weather in Arosa is typically cold. Average daily high temperature in November is about 1 degree above zero. On average, Arosa has 9 rainy, 7 cloudy, 5 snowy, 5 sunny, and 4 partly cloudy days in November. The rains are usually heavy. November as well as April, May, June, and July is considered the most uncomfortable time to visit Arosa.