January in Yarmouth is the snowiest, the windiest, and the cloudiest month of the year. In January, the weather in Yarmouth is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Yarmouth has 13 rainy, 9 snowy, 7 cloudy, and 2 sunny days in January. The rains are usually heavy. January as well as February, March, November, and December is considered the most uncomfortable time to visit Yarmouth.