July weather forecast in Jacksonville

July in Jacksonville is the rainiest, the cloudiest, and the hottest month of the year. In July, the weather in Jacksonville is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, Jacksonville has 21 rainy, 4 sunny, 3 cloudy, and 3 partly cloudy days in July. The rains are usually heavy. July as well as June and August is considered the most uncomfortable time to visit Jacksonville.