July weather forecast in Louisville

July in Louisville is the hottest month of the year. In July, the weather in Louisville is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, Louisville has 13 rainy, 9 sunny, 7 partly cloudy, and 2 cloudy days in July. The rains are usually heavy. July as well as January, February, March, and November is considered the most uncomfortable time to visit Louisville.