February in Chattanooga is the windiest month of the year. In February, the weather in Chattanooga is typically cold. Average daily high temperature in February is about 9 degrees above zero. On average, Chattanooga has 10 sunny, 9 rainy, 8 partly cloudy, and 2 cloudy days in February. The rains are usually moderate. February as well as January and December is considered the most uncomfortable time to visit Chattanooga.