In November, the weather in Casper is typically cold. Average daily high temperature in November is about 7 degrees above zero. On average, Casper has 15 sunny, 10 partly cloudy, 2 snowy, 2 cloudy, and 1 rainy day in November. The snowfalls are usually light. November as well as January, February, March, and April is considered the most uncomfortable time to visit Casper.