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Best Time for the Seoul to Busan
Sweet spot: October, February, March — computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
Autumn foliage over palace roofs and Gyeongju's burial mounds — Korea's most photogenic month.
Cherry blossom sweeps Jinhae and Gyeongju; book KTX seats and stays early that fortnight.
| Month | Temp | Rain | Daylight | |
|---|---|---|---|---|
| January | -14.2–16.1°C | 30 mm | 9.8 h | ❄ |
| February | -12.8–17.4°C | 42 mm | 10.7 h | ❄ |
| March | -5.5–19.9°C | 59 mm | 11.7 h | ❄ |
| April | 0.5–24.3°C | 98 mm | 12.9 h | ❄ |
| May | 6.0–28.3°C | 103 mm | 13.9 h | |
| June | 11.6–31.3°C | 139 mm | 14.4 h | |
| July | 17.1–33.5°C | 298 mm | 14.2 h | |
| August | 17.1–35.5°C | 234 mm | 13.4 h | |
| September | 12.2–30.2°C | 154 mm | 12.2 h | |
| October | 2.4–26.9°C | 66 mm | 11.1 h | ❄ |
| November | -2.2–22.4°C | 48 mm | 10.1 h | ❄ |
| December | -11.3–17.4°C | 32 mm | 9.6 h | ❄ |