August in Miryang is the warmest month of the year. In August, the weather in Miryang is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Miryang has 19 rainy, 9 sunny, 2 partly cloudy, and 1 cloudy day in August. The rains are usually heavy. August as well as January and July is considered the most uncomfortable time to visit Miryang.