Weather in Seoul
What's the weather like in Seoul?
Seoul has a wide swing between hot summers and cold winters and moderate rainfall spread across the year. Average daytime highs range from 2°C (36°F) in January to 29°C (84°F) in July, with overnight lows around -6°C (21°F) and 22°C (72°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit Seoul are May through June, and September through October.
Quick facts
- Country
- 🇰🇷 South Korea
- Region
- Asia
- Time zone
- Asia/Seoul
- Coordinates
- 37.566, 126.978
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 2°C / 36°F | -6°C / 21°F | 20 mm | 7 | 3 |
| February | 4°C / 39°F | -3°C / 27°F | 25 mm | 7 | 2 |
| March | 10°C / 50°F | 1°C / 34°F | 45 mm | 8 | — |
| April | 17°C / 63°F | 7°C / 45°F | 75 mm | 9 | — |
| May | 23°C / 73°F | 13°C / 55°F | 105 mm | 10 | — |
| June | 27°C / 81°F | 18°C / 64°F | 130 mm | 11 | — |
| July | 29°C / 84°F | 22°C / 72°F | 395 mm | 16 | — |
| August | 30°C / 86°F | 22°C / 72°F | 365 mm | 14 | — |
| September | 26°C / 79°F | 17°C / 63°F | 170 mm | 9 | — |
| October | 19°C / 66°F | 10°C / 50°F | 55 mm | 6 | — |
| November | 11°C / 52°F | 3°C / 37°F | 55 mm | 8 | 1 |
| December | 4°C / 39°F | -3°C / 27°F | 20 mm | 7 | 3 |
Seoul by month
Detailed weather for any specific month:
Cities with a similar climate to Seoul
Live forecast, sunrise/sunset, and more.