January in Gatlinburg is the snowiest and the coldest month of the year. In January, the weather in Gatlinburg is typically cold. Average daily high temperature in January is about 9 degrees above zero. On average, Gatlinburg has 10 rainy, 9 sunny, 6 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 Gatlinburg.