July in Jiaozhou is the rainiest, the cloudiest, and the hottest month of the year. In July, the weather in Jiaozhou is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, Jiaozhou has 14 rainy, 6 sunny, 6 partly cloudy, and 5 cloudy days in July. The rains are usually heavy. July as well as January, February, August, and December is considered the most uncomfortable time to visit Jiaozhou.