August in Shantou is the hottest month of the year. In August, the weather in Shantou is typically hot. Average daily high temperature in August is about 30 degrees above zero. On average, Shantou has 23 rainy, 6 sunny, 1 cloudy, and 1 partly cloudy day in August. The rains are usually heavy. August as well as May, June, and July is considered the most uncomfortable time to visit Shantou.