In November, the weather in Stephenville is typically cold. Average daily high temperature in November is about 4 degrees above zero. On average, Stephenville has 14 rainy, 10 cloudy, 3 partly cloudy, 2 sunny, and 1 snowy day in November. The rains are usually heavy. November as well as April, May, June, and July is considered the most uncomfortable time to visit Stephenville.