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Best Time for Jeju Island
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Sweet spot: January, February, November. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- Canola and green tea fields in bloom; Hallasan hikeable without crampons.
- Silvergrass season on the oreum cones and the mandarin harvest roadside stands.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | 5.9°C | 8.7°C | 51 mm | 10.0 h | 💨 |
| February | 6.2°C | 9.4°C | 65 mm | 10.8 h | 💨 |
| March | 8.2°C | 11.7°C | 91 mm | 11.8 h | 💨 |
| April | 11.7°C | 15.0°C | 139 mm | 12.8 h | |
| May | 15.3°C | 18.4°C | 143 mm | 13.7 h | |
| June | 19.5°C | 21.9°C | 193 mm | 14.2 h | |
| July | 23.9°C | 25.9°C | 237 mm | 14.0 h | |
| August | 25.9°C | 27.8°C | 263 mm | 13.2 h | |
| September | 22.6°C | 24.6°C | 192 mm | 12.2 h | |
| October | 18.0°C | 20.5°C | 91 mm | 11.1 h | |
| November | 12.9°C | 15.9°C | 73 mm | 10.2 h | 💨 |
| December | 7.9°C | 10.9°C | 56 mm | 9.8 h | 💨 |