Jeju · SpringMonth summary
Jeju weather in May
✅ Good
🌡️ Temperature min / max
59°F – 72°F
🌧 Rainy days
36% of days
☀️ Sunshine
10.6h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.5/10
📅 📅 Best month
May (7.5/10)
Quick decision
Should you visit Jeju in May?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 22°F.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: Jeju in May: 72°F and 10.6h of sunshine. Decent, but not the peak.
By trip type
Jeju in May by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in May
Spring marks the start of the good season in Jeju. Temperatures rise (22°F) and tourists have not yet arrived en masse. Expect rain on 36% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if May (7.5/10) remains theoretically better.
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All months for Jeju
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 37°F | 46°F | 46% | 0.1in | 6.3h | 3.9/10 |
| 🌦️ February | 36°F | 46°F | 43% | 0.1in | 7.8h | 4.1/10 |
| 🌦️ March | 43°F | 55°F | 40% | 0.2in | 9.7h | 5.3/10 |
| 🌤️ April | 52°F | 64°F | 34% | 0.2in | 10.9h | 7.1/10 |
| 🌤️ May | 59°F | 72°F | 36% | 0.2in | 10.6h | 7.5/10 |
| 🌤️ June | 66°F | 77°F | 45% | 0.3in | 9.7h | 7.4/10 |
| 🌤️ July | 77°F | 84°F | 57% | 0.3in | 10.5h | 7.4/10 |
| 🌤️ August | 79°F | 86°F | 59% | 0.3in | 12.3h | 7.4/10 |
| ⛅ September | 72°F | 79°F | 63% | 0.5in | 9.4h | 7.2/10 |
| 🌤️ October | 63°F | 68°F | 41% | 0.2in | 9.8h | 7.1/10 |
| ⛅ November | 50°F | 61°F | 35% | 0.1in | 8.4h | 6.8/10 |
| 🌦️ December | 41°F | 50°F | 42% | 0.1in | 6.0h | 4.1/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In May, Jeju averages 72°F, 36% rainy days and 10.6h of sunshine per day. Overall weather score: 7.5/10.
See methodology →
Comparison
May vs May (best month)
The best month is May (score 7.5/10). Difference:
- 🌡️ Max temperature : +0°F
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +0.0h/day
FAQ
FAQ — Jeju in May
Is May a good time to visit Jeju?
May is an excellent time to visit Jeju (score 7.5/10). With 72°F, 10.6h of sunshine and 36% rain, conditions are very favourable.
What to do in Jeju in May?
With 72°F max and 10.6h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
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