August in Barmer is the cloudiest month of the year. In August, the weather in Barmer is typically hot. Average daily high temperature in August is about 33 degrees above zero. On average, Barmer has 11 partly cloudy, 9 rainy, 6 cloudy, and 5 sunny days in August. The rains are usually heavy. August as well as May, June, and July is considered the most uncomfortable time to visit Barmer.