January in Nashville is the cloudiest and the coldest month of the year. In January, the weather in Nashville is typically cold. Average daily high temperature in January is about 6 degrees above zero. On average, Nashville has 11 partly cloudy, 9 sunny, 8 rainy, and 3 cloudy days in January. The rains are usually moderate. January as well as February, March, and December is considered the most uncomfortable time to visit Nashville.