January weather forecast in Plymouth

January in Plymouth is the windiest and the sunniest month of the year. In January, the weather in Plymouth is typically warm. Average daily high temperature in January is about 26 degrees above zero. On average, Plymouth has 24 sunny, 6 partly cloudy, and 1 rainy day in January. The rains are usually light. January as well as February and March is considered the most comfortable time to visit Plymouth.