Usually the coldest month of the year. In Seoul, temperatures can drop to -10°C (14°F) or lower, especially when the Siberian winds kick in. This is peak time for snow in the northern and eastern regions.

Known as the snow capital, this region hosted the 2018 Winter Olympics. Resorts like Yongpyong and Alpensia offer world-class skiing and snowboarding.

For those staying in Seoul, a winter hike up Bukhansan offers breathtaking views of the granite peaks dusted in white.