Korea by Month
Last checked: October 2026
Spring (April–May) and autumn (October–early November) are the most comfortable. Summer is hot and rainy, and winter in Seoul is cold but dry and quiet. Pick your month for the details.
| Month | Seoul high / low | Rain in Seoul | Highlights |
|---|---|---|---|
| January | 2°C / -5°C | 17 mm | Garden of Morning Calm light festival in Gapyeong, near Nami Island |
| February | 5°C / -3°C | 28 mm | Garden of Morning Calm light festival |
| March | 11°C / 2°C | 37 mm | Jeju Fire Festival at Saebyeol Oreum |
| April | 18°C / 8°C | 73 mm | Cherry blossoms across Seoul, Busan, and Jeju |
| May | 24°C / 14°C | 104 mm | Haeundae Sand Festival in Busan |
| June | 28°C / 19°C | 130 mm | Hydrangeas on Jeju |
| July | 29°C / 22°C | 414 mm | Beach season in Busan and Jeju |
| August | 30°C / 23°C | 348 mm | Beach season in Busan and Jeju |
| September | 26°C / 18°C | 142 mm | Chuseok holiday (September 24–26 in 2026): palaces and markets get busy, some shops close, and KTX trains sell out |
| October | 20°C / 11°C | 52 mm | Suwon Hwaseong Cultural Festival |
| November | 12°C / 4°C | 51 mm | Busan Fireworks Festival at Gwangalli |
| December | 4°C / -3°C | 23 mm | Garden of Morning Calm light festival starts |
Sources
- Korea Meteorological Administration – climatological normals 1991–2020
- Events and seasonal sights: see the sources on each month's page and the linked guides.