February in Jacksonville is the cloudiest month of the year. In February, the weather in Jacksonville is typically warm. Average daily high temperature in February is about 13 degrees above zero. On average, Jacksonville has 9 rainy, 9 sunny, 6 cloudy, and 5 partly 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 Jacksonville.