February in Rock Hill is the windiest month of the year. In February, the weather in Rock Hill is typically warm. Average daily high temperature in February is about 11 degrees above zero. On average, Rock Hill has 12 sunny, 8 partly cloudy, 7 rainy, and 2 cloudy days in February. The rains are usually moderate. February as well as January, May, and December is considered the most uncomfortable time to visit Rock Hill.