January weather forecast in Thomaston

January in Thomaston is the windiest and the most freezing month of the year. In January, the weather in Thomaston is typically freezing. Average daily high temperature in January is about 1 degree below zero. On average, Thomaston has 13 partly cloudy, 10 sunny, 5 snowy, and 3 rainy days in January. The snowfalls are usually light.