August in Guangyuan is the rainiest month of the year. In August, the weather in Guangyuan is typically warm. Average daily high temperature in August is about 25 degrees above zero. On average, Guangyuan has 22 rainy, 8 sunny, and 1 partly cloudy day in August. The rains are usually heavy. August as well as January, July, and September is considered the most uncomfortable time to visit Guangyuan.