February in Knoxville is the cloudiest month of the year. In February, the weather in Knoxville is typically warm. Average daily high temperature in February is about 11 degrees above zero. On average, Knoxville has 11 rainy, 7 sunny, 7 partly cloudy, and 4 cloudy days in February. The rains are usually heavy. February as well as January, March, June, and July is considered the most uncomfortable time to visit Knoxville.