July in Duana is the sunniest and the hottest month of the year. In July, the weather in Duana is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, Duana has 25 sunny, 5 partly cloudy, and 1 rainy day in July. The rains are usually light. July as well as May, June, August, and September is considered the most comfortable time to visit Duana.