South Korea is expected to experience persistent monsoon rainfall through next week, with heavy rain forecast across many parts of the country. Overseas visitors planning to travel within Korea are advised to check the latest weather updates and prepare for possible travel disruptions.
According to the Korea Meteorological Administration (KMA), heavy rainfall of up to 200 mm or more fell across parts of the Seoul metropolitan area by the morning of July 18. Rain will continue on Sunday (July 19), especially across Seoul, Incheon, Gyeonggi Province, and Gangwon Province.
For the weekend (July 18–19), expected rainfall includes:
- Seoul, Incheon & Gyeonggi
80–150 mm (locally over 200 mm)
- Gangwon Province
100–150 mm (over 250 mm in inland and mountainous areas)
The rainy season is expected to continue throughout next week.
From Monday (July 20) to Tuesday (July 21), rain is forecast across most of the country except Jeju Island due to a stationary front.
Expected rainfall amounts include:
- Chungcheong: 50–100 mm
- Southern Gyeonggi: 30–80 mm
- Seoul metropolitan area (excluding southern Gyeonggi), Gangwon, Daegu and North Gyeongsang: 20–60 mm
- Honam, Busan, Ulsan and South Gyeongsang: 5–40 mm
- West Sea Islands: 5–20 mm
Rain is expected mainly in the Chungcheong and southern regions on Wednesday (July 22) before expanding nationwide again on Thursday and Friday (July 23–24).
Meteorologists warn that a developing low-pressure system could bring very heavy rainfall during July 23–24. Rain is also expected to continue in the Seoul metropolitan area and western Gangwon (Yeongseo) through Saturday (July 25).
Travel Advice for International Visitors
Visitors traveling in Korea next week should:
- Carry a raincoat or umbrella at all times.
- Allow extra travel time, as heavy rain may affect road traffic, rail services, and domestic flights.
- Avoid riversides, mountain hiking trails, and low-lying areas during periods of intense rainfall.
- Check the latest weather forecasts before visiting outdoor attractions.
The Korea Meteorological Administration recommends staying informed about weather alerts, as rainfall intensity and affected areas may change depending on the movement of the monsoon front.











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