When to go · Seoul
Seoul in August
Avoid month. Hottest and most humid; typhoons possible.
Key facts
- Verdict
- Avoid
- Temperature
- 30° / 23°
- average high / low
- Rain days
- 15
- Crowds
- High
- South Korea overall
- Prices
- High
- South Korea overall
Verdict
Hottest and most humid; typhoons possible.
Weather in August
- SeoulHighs around 30 °C, lows around 23 °C, rain on about 15 days
- Seoul and north-west, South Korea · Seoul, Incheon, Suwon, the DMZhot
Continental: dry winters down to −15 °C on cold snaps, hot humid summers. Fine dust (yellow dust and pollution) peaks Mar–Apr; the monsoon runs late Jun – Jul.
Summer season
Han river evenings, outdoor pools, bingsu and cold noodles.
Watch: Monsoon rain from late June; 30 °C and humid; typhoon tails in August.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Han river summer
July–August · Han river parks
Outdoor pools and night markets on the river (check dates); the evening is the time to be outside.
Liberation Day
15 August · Gwanghwamun
Public holiday; ceremonies and occasional rallies.
Crowds and prices
- Crowds · South Korea overall
- High
- Prices · South Korea overall
- High
South Korea overall: Hottest month and the typhoon season starts; Busan beaches at peak.
High-price month: see what to book ahead.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast