July in Stockport is the warmest month of the year. In July, the weather in Stockport is typically warm. Average daily high temperature in July is about 17 degrees above zero. On average, Stockport has 25 rainy, 4 sunny, and 2 cloudy days in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Stockport.