Weather in South Korea in August
August in South Korea is warm outdoor weather. Days are long enough to be useful. Shade starts to matter at midday.
A country pin in August is a warning: one region of South Korea will not match another. Use a city page if you already know where you are going. August is the peak of the warm side of the year in South Korea. If you wanted the gentlest heat, this is not that month.

- Average temp
- 27°C
23–31°C
- Rainfall
- 315 mm
A wet month
- Sunshine
- 5.5 h
hours per day
What to expect
Daytime
Warm days in South Korea in August. A hat starts to earn its keep at midday. Evenings are the comfortable part of the clock.
You can walk at more hours than in the fierce months. Still build in a pause when the sun is high. Nights are easy.
Rain
August is the wet side of the year in South Korea. Days can be heavy. Plans that cannot survive rain are the wrong plans.
This is not a reason to skip South Korea if you like the place. It is a reason to pack for weather and to stop treating every grey hour as a failed holiday.
Evening
Evenings stay warm.
What to pack
Sun protection
Rain jacket
Where to stay in South Korea
Featured stays on trip1. Dates are a starting point for August.
Travel guides for South Korea
What to read before you book.
Average weather in South Korea
TemperatureRainfall
Similar weather in August
Other destinations whose August averages sit close to this one.
Check another month
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FAQs about South Korea
Climate averages for South Korea, 1991–2020.
The best time to visit South Korea is between May and October, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 27°C.
August is the wettest month, with about 315 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.



