July in Sweetwater is the cloudiest and the hottest month of the year. In July, the weather in Sweetwater is typically hot. Average daily high temperature in July is about 33 degrees above zero. On average, Sweetwater has 15 sunny, 13 partly cloudy, and 3 rainy days in July. The rains are usually light. July as well as January, June, August, and December is considered the most uncomfortable time to visit Sweetwater.