August in Mandalay is the rainiest and the cloudiest month of the year. In August, the weather in Mandalay is typically hot. Average daily high temperature in August is about 33 degrees above zero. On average, Mandalay has 23 rainy, 7 cloudy, and 1 partly cloudy day in August. The rains are usually heavy. August as well as May, June, July, and September is considered the most uncomfortable time to visit Mandalay.