November in Great Falls is the windiest month of the year. In November, the weather in Great Falls is typically cold. Average daily high temperature in November is about 6 degrees above zero. On average, Great Falls has 10 sunny, 10 partly cloudy, 5 cloudy, 3 snowy, and 2 rainy days in November. The snowfalls are usually light. November as well as January, February, March, and April is considered the most uncomfortable time to visit Great Falls.