August in Hisar is the windiest, the sunniest, and the hottest month of the year. In August, the weather in Hisar is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Hisar has 30 sunny and 1 rainy day in August. The rains are usually light. August as well as July and September is considered the most comfortable time to visit Hisar.