August in Chuncheon is the warmest month of the year. In August, the weather in Chuncheon is typically warm. Average daily high temperature in August is about 25 degrees above zero. On average, Chuncheon has 20 rainy, 8 sunny, 2 partly cloudy, and 1 cloudy day in August. The rains are usually heavy. August as well as July is considered the most uncomfortable time to visit Chuncheon.