Korea by month / August
Korea in August
Last checked: October 2026
The hottest month, still rainy, and the peak of typhoon season. Korean school holidays make beaches busy.
- Season
- Summer
- Seoul high / low
- 30°C / 23°C
- Rain in Seoul
- 348 mm
- Don't miss
- Beach season in Busan and Jeju
Weather
| City | Average high | Average low | Rain |
|---|---|---|---|
| Seoul | 30°C (86°F) | 22.9°C (73°F) | 348 mm |
| Busan | 29.5°C (85°F) | 23.7°C (75°F) | 267 mm |
| Jeju | 30.1°C (86°F) | 24.8°C (77°F) | 272 mm |
Averages for 1991–2020 from the Korea Meteorological Administration. Check the forecast before you pack.
What to wear
The lightest clothes you have, sun protection, and an umbrella for sudden showers.
What's on in August
- Beach season in Busan and Jeju
- Han River parks in the evening, with chicken and beer delivered to the park
Good to know
- Plan indoor stops (museums, markets, malls) for the middle of the day.
Sources
- Korea Meteorological Administration – climatological normals 1991–2020
- Events and seasonal sights: see the sources on each linked guide.
Plan the rest
- Before you go: the checklist
- Seoul, Busan, and Jeju guides