August in Naju is the hottest month of the year. In August, the weather in Naju is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Naju has 18 rainy, 9 sunny, 3 partly cloudy, and 1 cloudy day in August. The rains are usually heavy. August as well as January, July, and December is considered the most uncomfortable time to visit Naju.