October in Jacksonville is the sunniest month of the year. In October, the weather in Jacksonville is typically warm. Average daily high temperature in October is about 21 degrees above zero. On average, Jacksonville has 21 sunny, 5 rainy, and 5 partly cloudy days in October. The rains are usually moderate. October as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Jacksonville.