Jeju · WinterMonth summary
Jeju weather in December
⚠️ Fair
🌡️ Temperature min / max
5°C – 10°C
🌧 Rainy days
42% of days
☀️ Sunshine
6.0h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
4.1/10
📅 📅 Best month
May (7.5/10)
Quick decision
Should you visit Jeju in December?
⚠️ Fair
✅ Yes if: you enjoy winter atmosphere and the lowest prices of the year.
❌ No if: you're looking for sunshine or outdoor activities.
Our take: Jeju in December: 42% rain, 6.0h of sunshine. Better to wait for May.
By trip type
Jeju in December by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in December
🎯 Winter dishes and comfort food specialities in local restaurants Winter in Jeju is cool (10°C during the day). Days are short (6.0h of sunshine) but the city reveals a different side. Expect rain on 42% of days — a light raincoat in the bag is recommended.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 3°C | 8°C | 46% | 3.3 | 6.3h | 3.9/10 |
| 🌦️ February | 2°C | 8°C | 43% | 3.3 | 7.8h | 4.1/10 |
| 🌦️ March | 6°C | 13°C | 40% | 4.2 | 9.7h | 5.3/10 |
| 🌤️ April | 11°C | 18°C | 34% | 4.5 | 10.9h | 7.1/10 |
| 🌤️ May | 15°C | 22°C | 36% | 4.8 | 10.6h | 7.5/10 |
| 🌤️ June | 19°C | 25°C | 45% | 6.9 | 9.7h | 7.4/10 |
| 🌤️ July | 25°C | 29°C | 57% | 7.5 | 10.5h | 7.4/10 |
| 🌤️ August | 26°C | 30°C | 59% | 7.7 | 12.3h | 7.4/10 |
| ⛅ September | 22°C | 26°C | 63% | 11.8 | 9.4h | 7.2/10 |
| 🌤️ October | 17°C | 20°C | 41% | 5.8 | 9.8h | 7.1/10 |
| ⛅ November | 10°C | 16°C | 35% | 3.6 | 8.4h | 6.8/10 |
| 🌦️ December | 5°C | 10°C | 42% | 2.8 | 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 December, Jeju averages 10°C, 42% rainy days and 6.0h of sunshine per day. Overall weather score: 4.1/10.
See methodology →
Comparison
December vs May (best month)
The best month is May (score 7.5/10). Difference:
- 🌡️ Max temperature : +12°C
- 🌧 Rainy days : -6%
- ☀️ Sunshine : +4.6h/day
FAQ
FAQ — Jeju in December
Is December a good time to visit Jeju?
December is not recommended for Jeju (score 4.1/10). With 42% rainy days and 6.0h of sunshine, consider May (7.5/10) instead.
What's the weather like in Jeju in December?
It's cool with 10°C daytime and 5°C at night. 6.0h of sunshine per day. Pack warm clothes and favour indoor visits.
Accommodation
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Activities & tours
Activities and tours in Jeju
Guided tours, skip-the-line tickets and local experiences.
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