Good time to go
South Korea in May: Weather, Crowds & What's On
What May is actually like in South Korea — average highs and lows, how much rain to expect, public holidays that fill trains and hotels, and verified places to go.
- Average high
- 22°C
- Average low
- 11°C
- Rainfall
- 99mm
Where this month sits in the year
The 5th warmest month of South Korea's year. The 5th wettest month, at 8% of the year's rain.
Public holidays in May
Domestic travel peaks around these dates — book earlier and expect busier sights.
- May 1 노동절 · Labour Day
- May 5 어린이날 · Children's Day
- May 25 부처님 오신 날 · Buddha's Birthday
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Climate figures are 10-year averages for Seoul, from NASA POWER; holidays from public calendars. Updated monthly.