July in Karachi is the rainiest and the cloudiest month of the year. In July, the weather in Karachi is typically hot. Average daily high temperature in July is about 32 degrees above zero. On average, Karachi has 20 cloudy, 6 sunny, 3 partly cloudy, and 2 rainy days in July. The rains are usually heavy. July as well as June is considered the most uncomfortable time to visit Karachi.