Transit Desk

Climate

Weather in South Korea in August

Weather in South Korea, August
In August, South Korea sees average highs of 29.4°C (85°F) and lows of 22.7°C (73°F), with around 298 mm of rain.

South Korea — August

South Korea August
Daytime high
29.4°C (85°F)
Overnight low
22.7°C (73°F)
Rainfall
298 mm
Best-time rank
Off-peak

How August compares

South Korea, August vs. the annual average (2025)
This month29.4°C (85°F) / 22.7°C (73°F) · 298 mm
Yearly average17.1°C (63°F) / 8.2°C (47°F) · 122 mm

August in South Korea runs 12.3°C (22.1°F) warmer than the yearly average, and is wetter than the yearly average. Pack layers you can adjust through the day — mild conditions, and something waterproof — this is a wetter month.

Common questions

What is the weather like in South Korea in August?

Average highs of 29.4°C (85°F) and lows of 22.7°C (73°F), with around 298 mm of rain.

Is August a good time to visit South Korea?

It is an off-peak month for comfort in South Korea; May, June, September tend to be more pleasant.

Updated climate normals, 2025