Jeju Weather in May
South Korea · 30-year monthly averages
🌟 Great time to visit
May in Jeju is pleasantly warm, with average daytime highs around 22°C (72°F) and nighttime lows near 15°C (59°F). Expect roughly 96mm of precipitation spread over about 7 rainy days, with a moderate amount of rain.
Avg high
22°C
72°F
Avg low
15°C
59°F
Rainfall
96mm
moderate
Rainy days
7
days with ≥1mm
☀️ About 212 hours of sunshine over the month (~7h/day).
🎒 What to pack
- light layers
- comfortable walking shoes
May vs the rest of the year
FAQ
- How hot is Jeju in May?
- May in Jeju is pleasantly warm, with average daytime highs around 22°C (72°F) and nighttime lows near 15°C (59°F). Expect roughly 96mm of precipitation spread over about 7 rainy days, with a moderate amount of rain.
- Does it rain a lot in Jeju in May?
- Jeju sees around 96mm of precipitation in May on average — moderate by global standards.
- Is May a good time to visit Jeju?
- May is one of the best months to visit Jeju — comfortable temperatures and manageable rainfall.