Transit Desk

Climate

Weather in South Korea in May

Weather in South Korea, May
In May, South Korea sees average highs of 22.1°C (72°F) and lows of 12°C (54°F), with around 127 mm of rain. It is one of the best months to visit.

South Korea — May

South Korea May
Daytime high
22.1°C (72°F)
Overnight low
12°C (54°F)
Rainfall
127 mm
Best-time rank
Recommended month

How May compares

South Korea, May vs. the annual average (2025)
This month22.1°C (72°F) / 12°C (54°F) · 127 mm
Yearly average17.1°C (63°F) / 8.2°C (47°F) · 122 mm

May in South Korea runs 5°C (9°F) warmer than the yearly average, and is wetter than the yearly average. Pack a warm jacket for cooler conditions, and something waterproof — this is a wetter month.

Common questions

What is the weather like in South Korea in May?

Average highs of 22.1°C (72°F) and lows of 12°C (54°F), with around 127 mm of rain.

Is May a good time to visit South Korea?

Yes — May is one of the more comfortable months in South Korea, based on temperature and rainfall.

Updated climate normals, 2025