January in Nashville is the snowiest and the coldest month of the year. In January, the weather in Nashville is typically cold. Average daily high temperature in January is about 8 degrees above zero. On average, Nashville has 10 sunny, 8 rainy, 7 partly cloudy, 5 cloudy, and 1 snowy day in January. The rains are usually heavy. January as well as February, March, June, and July is considered the most uncomfortable time to visit Nashville.