For National holidays, festivals, and trade shows check Calendar . Airport South Korea's main international airport is in Seoul - Kimpo International airport. Various forms of transportation are available. Winters, from November to March have a very cold weather.
Summers are warm and sometimes hot.
Rain usually occurs between June and September. The unit of Korean currency is the won. Foreign bank notes and traveler's checks can be converted into Korean Won at foreign exchange banks and other authorized money exchangers. International credit cards such as Visa, Mastercard, American Express, Diners Club, and JCB are widely accepted at the major hotels, department stores and restaurants in the larger cities. You may be requested to show your passport.