July in Khartoum is the cloudiest month of the year. In July, the weather in Khartoum is typically hot. Average daily high temperature in July is about 37 degrees above zero. On average, Khartoum has 14 cloudy, 12 partly cloudy, and 5 sunny days in July. July as well as April, May, June, and August is considered the most uncomfortable time to visit Khartoum.