June in Dera Ghazi Khan is the hottest month of the year. In June, the weather in Dera Ghazi Khan is typically hot. Average daily high temperature in June is about 40 degrees above zero. On average, Dera Ghazi Khan has 24 sunny and 6 rainy days in June. The rains are usually light. June as well as July and August is considered the most uncomfortable time to visit Dera Ghazi Khan.