Seoul · SummerMonth summary
Seoul weather in August
✅ Good
🌡️ Temperature min / max
23°C – 30°C
🌧 Rainy days
52% of days
☀️ Sunshine
10.9h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.4/10
📅 📅 Best month
June (8.1/10)
Quick decision
Should you visit Seoul in August?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: August is a good time to visit Seoul. June remains slightly better (+0.7 pts).
By trip type
Seoul in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
🎯 Good period — 29°C with good sunshine. Reasonable crowds In the height of summer, Seoul sees high temperatures (30°C). Heat is a factor for outdoor activities. With 52% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. June (8.1/10) is significantly better if possible.
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All months for Seoul
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌨️ January | -6°C | 2°C | 10% | 0.6 | 8.7h | 5.1/10 |
| 🌫️ February | -5°C | 5°C | 16% | 0.9 | 9.5h | 5.0/10 |
| ⛅ March | 0°C | 12°C | 20% | 1.4 | 10.1h | 7.0/10 |
| 🌤️ April | 6°C | 18°C | 22% | 2.1 | 11.0h | 7.3/10 |
| 🌤️ May | 12°C | 23°C | 27% | 3.6 | 11.9h | 8.0/10 |
| 🌤️ June | 18°C | 27°C | 34% | 4.2 | 11.1h | 8.1/10 |
| ⛅ July | 22°C | 29°C | 56% | 10.1 | 9.9h | 7.3/10 |
| 🌤️ August | 23°C | 30°C | 52% | 8.9 | 10.9h | 7.4/10 |
| 🌤️ September | 18°C | 25°C | 31% | 5.3 | 10.0h | 7.8/10 |
| 🌤️ October | 9°C | 18°C | 23% | 2.7 | 9.2h | 7.2/10 |
| ⛅ November | 2°C | 12°C | 20% | 1.7 | 8.8h | 6.4/10 |
| 🌨️ December | -5°C | 3°C | 15% | 0.9 | 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 August, Seoul averages 30°C, 52% rainy days and 10.9h of sunshine per day. Overall weather score: 7.4/10.
See methodology →
Comparison
August vs June (best month)
The best month is June (score 8.1/10). Difference:
- 🌡️ Max temperature : -3°C
- 🌧 Rainy days : -18%
- ☀️ Sunshine : +0.2h/day
FAQ
FAQ — Seoul in August
Is August a good time to visit Seoul?
August is an acceptable time for Seoul (score 7.4/10). Conditions are decent but not optimal — consider June (8.1/10) if possible.
Does it rain a lot in Seoul in August?
Yes, 52% of days see rain in August. Plan some indoor activities as backup.
Accommodation
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Activities & tours
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