Seoul · WinterMonth summary
Seoul weather in January
⚠️ Fair
🌡️ Temperature min / max
21°F – 36°F
🌧 Rainy days
10% of days
☀️ Sunshine
8.7h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
5.1/10
📅 📅 Best month
June (8.1/10)
Quick decision
Should you visit Seoul in January?
⚠️ 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: Not the best window: 10% rain risk and 8.7h of sunshine. June is much safer.
By trip type
Seoul in January by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in January
Winter in Seoul is cool (2°F during the day). Days are short (8.7h of sunshine) but the city reveals a different side. Rain is virtually absent (10% of days) — ideal for planning without a backup.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌨️ January | 21°F | 36°F | 10% | 0.0in | 8.7h | 5.1/10 |
| 🌫️ February | 23°F | 41°F | 16% | 0.0in | 9.5h | 5.0/10 |
| ⛅ March | 32°F | 54°F | 20% | 0.1in | 10.1h | 7.0/10 |
| 🌤️ April | 43°F | 64°F | 22% | 0.1in | 11.0h | 7.3/10 |
| 🌤️ May | 54°F | 73°F | 27% | 0.1in | 11.9h | 8.0/10 |
| 🌤️ June | 64°F | 81°F | 34% | 0.2in | 11.1h | 8.1/10 |
| ⛅ July | 72°F | 84°F | 56% | 0.4in | 9.9h | 7.3/10 |
| 🌤️ August | 73°F | 86°F | 52% | 0.4in | 10.9h | 7.4/10 |
| 🌤️ September | 64°F | 77°F | 31% | 0.2in | 10.0h | 7.8/10 |
| 🌤️ October | 48°F | 64°F | 23% | 0.1in | 9.2h | 7.2/10 |
| ⛅ November | 36°F | 54°F | 20% | 0.1in | 8.8h | 6.4/10 |
| 🌨️ December | 23°F | 37°F | 15% | 0.0in | 8.4h | 4.8/10 |
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 January, Seoul averages 36°F, 10% rainy days and 8.7h of sunshine per day. Overall weather score: 5.1/10.
See methodology →
Comparison
January vs June (best month)
The best month is June (score 8.1/10). Difference:
- 🌡️ Max temperature : +25°F
- 🌧 Rainy days : +24%
- ☀️ Sunshine : +2.4h/day
FAQ
FAQ — Seoul in January
Is January a good time to visit Seoul?
January is not recommended for Seoul (score 5.1/10). With 10% rainy days and 8.7h of sunshine, consider June (8.1/10) instead.
What's the weather like in Seoul in January?
It's cool with 36°F daytime and 21°F at night. 8.7h of sunshine per day. Pack warm clothes and favour indoor visits.
Accommodation
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Activities & tours
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