In November, the weather in Orillia is typically cold. Average daily high temperature in November is about 5 degrees above zero. On average, Orillia has 9 cloudy, 8 rainy, 7 partly cloudy, 4 sunny, and 2 snowy days in November. The rains are usually heavy. November as well as March, April, October, and December is considered the most uncomfortable time to visit Orillia.