July in Yulee is the hottest month of the year. In July, the weather in Yulee is typically hot. Average daily high temperature in July is about 32 degrees above zero. On average, Yulee has 21 rainy, 6 sunny, 3 partly cloudy, and 1 cloudy day in July. The rains are usually heavy. July as well as June, August, and September is considered the most uncomfortable time to visit Yulee.