July in Paducah is the hottest month of the year. In July, the weather in Paducah is typically hot. Average daily high temperature in July is about 31 degrees above zero. On average, Paducah has 12 sunny, 11 rainy, 6 partly cloudy, and 2 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 Paducah.