August in Duong Dong is the rainiest and the cloudiest month of the year. In August, the weather in Duong Dong is typically hot. Average daily high temperature in August is about 29 degrees above zero. On average, Duong Dong 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 Duong Dong.