August in Hisar is the rainiest month of the year. In August, the weather in Hisar is typically hot. Average daily high temperature in August is about 34 degrees above zero. On average, Hisar has 20 rainy, 5 sunny, 4 cloudy, and 2 partly cloudy days in August. The rains are usually heavy. August as well as July is considered the most uncomfortable time to visit Hisar.