Best time to visit South Korea
The best time to visit South Korea is April, May and October, when its 7 destinations average 88/100 for climate comfort — January is the weakest month, at 53/100.
Updated September 2026 · averaged over 7 South Korea destinations · climate normals from ERA5 reanalysis
South Korea climate comfort by month
| Month | Comfort | Avg high | Rain | Pick of the month |
|---|---|---|---|---|
| January | 53 | 5.1°C | 41 mm | Busan 66 |
| February | 62 | 7.3°C | 30 mm | Busan 73 |
| March | 72 | 12.9°C | 59 mm | Daegu 80 |
| April | 81 | 16.8°C | 65 mm | Daegu 86 |
| May | 88 | 21.8°C | 92 mm | Daegu 93 |
| June | 79 | 25.3°C | 151 mm | Sokcho 84 |
| July | 63 | 27.8°C | 237 mm | Sokcho 78 |
| August | 62 | 28.7°C | 248 mm | Jeju 79 |
| September | 72 | 24.9°C | 213 mm | Seoul 77 |
| October | 84 | 19.4°C | 59 mm | Busan 90 |
| November | 72 | 13.5°C | 51 mm | Busan 81 |
| December | 57 | 6.1°C | 32 mm | Busan 71 |
Comfort is SeasonMap's 0–100 score, averaged across every South Korea destination in the dataset. Each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. Averages from ERA5 reanalysis normals, not forecasts.
All 7 destinations in South Korea
South Korea — FAQ
- When is the best time to visit South Korea?
- April, May and October. Across South Korea's 7 destinations, May averages 88/100 for climate comfort with mean highs of 21.8°C and 92 mm of rain.
- What is the worst month to visit South Korea?
- January, averaging 53/100 — mean highs of 5.1°C and 41 mm of rain across the country's destinations.
- What is the hottest month in South Korea?
- August, with mean daily highs of 28.7°C averaged across 7 destinations.
- What is the wettest month in South Korea?
- August, averaging 248 mm of rain.