July in Vidalia is the cloudiest and the hottest month of the year. In July, the weather in Vidalia is typically hot. Average daily high temperature in July is about 32 degrees above zero. On average, Vidalia has 14 rainy, 9 sunny, and 8 partly cloudy days in July. The rains are usually heavy. July as well as August is considered the most uncomfortable time to visit Vidalia.