January in Chuncheon is the snowiest, the sunniest, and the most freezing month of the year. In January, the weather in Chuncheon is typically freezing. Average daily high temperature in January is about 3 degrees below zero. On average, Chuncheon has 20 sunny, 8 partly cloudy, 2 snowy, and 1 cloudy day in January. The snowfalls are usually light.