August in Chilpancingo de los Bravo is the rainiest month of the year. In August, the weather in Chilpancingo de los Bravo is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Chilpancingo de los Bravo has 29 rainy and 2 cloudy days in August. The rains are usually heavy. August as well as May, June, July, and September is considered the most uncomfortable time to visit Chilpancingo de los Bravo.