In January, the weather in Lewiston is typically cold. Average daily high temperature in January is about 2 degrees above zero. On average, Lewiston has 14 rainy, 11 cloudy, 3 sunny, 2 partly cloudy, and 1 snowy day in January. The rains are usually moderate. January as well as February, March, April, and November is considered the most uncomfortable time to visit Lewiston.