July in Naju is the rainiest month of the year. In July, the weather in Naju is typically hot. Average daily high temperature in July is about 28 degrees above zero. On average, Naju has 24 rainy, 5 sunny, 1 cloudy, and 1 partly cloudy day in July. The rains are usually heavy. July as well as January, August, and December is considered the most uncomfortable time to visit Naju.