Incheon Weather in August: Climate, Temperature & Travel Tips
Avg 26.0°C · 305mm rain — August is summer in Incheon.
- Avg high
- 29.1 °C
- Avg low
- 22.9 °C
- Avg
- 26.0 °C
- Precipitation
- 305 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
August in Incheon, South Korea brings summer conditions: average temperature 26.0°C, average high 29.1°C, average low 22.9°C. Monthly rainfall averages 305mm, making it a wet time of year.
Plan outdoor activities around midday heat with shade and frequent hydration.
What to Pack
- Lightweight breathable clothing; sun hat
- Sunscreen and ample hydration
- Compact umbrella and waterproof jacket
Best Things to Do
- Visit outdoor sights in early morning or late afternoon
- Air-conditioned museums and galleries
- Pool or waterfront activities
Pros and Cons of Visiting in August
Pros:
- A unique seasonal character that locals enjoy
Cons:
- Hot weather may limit midday outdoor activities
- Frequent rain — pack waterproof gear
- Peak season — expect higher prices and more crowds
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 August 26.0°C
- 2 July 24.7°C
- 3 September 21.7°C
- 1 January -1.5°C
- 2 December 0.8°C
- 3 February 0.9°C
FAQ
01 What is the average temperature in Incheon in August? +
The average is 26.0°C, with a high of 29°C and a low of 23°C.
02 What is Incheon like to visit in August? +
It is summer in Incheon, which is hot — plan around midday heat.
03 Does it rain often in Incheon during August? +
Average rainfall is 305mm, which is high — expect frequent rain.
04 What should I pack for Incheon in August? +
Lightweight breathable clothing; sun hat; Sunscreen and ample hydration.
05 Is August a peak travel season for Incheon? +
Generally yes — book accommodations and flights well in advance.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17