January weather forecast in Stephenville

January in Stephenville is the snowiest and the cloudiest month of the year. In January, the weather in Stephenville is typically freezing. Average daily high temperature in January is about 2 degrees below zero. On average, Stephenville has 16 snowy, 10 cloudy, 3 partly cloudy, 1 rainy, and 1 sunny day in January. The snowfalls are usually heavy.