November in Colchester is the windiest month of the year. In November, the weather in Colchester is typically cold. Average daily high temperature in November is about 7 degrees above zero. On average, Colchester has 10 rainy, 8 partly cloudy, 7 cloudy, 4 sunny, and 1 snowy day in November. The rains are usually heavy. November as well as March, April, October, and December is considered the most uncomfortable time to visit Colchester.