In November, the weather in Waterloo is typically cold. Average daily high temperature in November is about 6 degrees above zero. On average, Waterloo has 9 cloudy, 8 rainy, 6 partly cloudy, 5 sunny, and 2 snowy days in November. The rains are usually heavy. November as well as February, March, April, and October is considered the most uncomfortable time to visit Waterloo.