July in Jazan is the windiest, the cloudiest, and the hottest month of the year. In July, the weather in Jazan is typically hot. Average daily high temperature in July is about 33 degrees above zero. On average, Jazan has 18 sunny, 11 partly cloudy, 1 rainy, and 1 cloudy day in July. The rains are usually moderate. July as well as August, October, and November is considered the most uncomfortable time to visit Jazan.