Seoul Weather
Plan your trip with monthly temperature and rainfall data.
Best Time
Spring (Apr-May) cherry blossoms and autumn (Sep-Oct) foliage are peak. Jul-Aug brings monsoon and heat; winters are very cold.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High (°C) | 2 | 5 | 10 | 18 | 23 | 27 | 29 | 30 | 26 | 20 | 11 | 4 |
| Low (°C) | -6 | -4 | 1 | 7 | 13 | 18 | 22 | 23 | 17 | 10 | 3 | -3 |
| Rainfall (mm) | 21 | 24 | 47 | 65 | 106 | 134 | 395 | 365 | 169 | 51 | 52 | 22 |
| Rainy days | 6 | 6 | 8 | 8 | 9 | 10 | 16 | 15 | 9 | 6 | 7 | 6 |
| Humidity (%) | 59 | 57 | 58 | 58 | 64 | 72 | 80 | 78 | 72 | 66 | 65 | 62 |