July in Vanceburg is the hottest month of the year. In July, the weather in Vanceburg is typically hot. Average daily high temperature in July is about 29 degrees above zero. On average, Vanceburg has 14 rainy, 11 sunny, and 6 partly cloudy days in July. The rains are usually heavy. July as well as January, February, March, and December is considered the most uncomfortable time to visit Vanceburg.