July in Pima is the rainiest and the cloudiest month of the year. In July, the weather in Pima is typically hot. Average daily high temperature in July is about 35 degrees above zero. On average, Pima has 14 partly cloudy, 9 sunny, 4 rainy, and 4 cloudy days in July. The rains are usually light. July as well as June and August is considered the most uncomfortable time to visit Pima.