Summers are generally hot and wet, with monsoons taking place from June until September. August, the hottest month, has an average temperature of 22 °C to 30 °C (72 °F to 86 °F). Winters are often very cold when compared to places of a similar latitude, with an average January temperature of -7 °C to 1 °C (19 °F to 33 °F). Winters are generally a lot drier than summers, although on average there are 28 days of snow in Seoul each year.
from wikipedia.
from wikipedia.