Weather Comparison
Side-by-side weather comparison for October
| Metric | Seoul | Busan | Better |
|---|---|---|---|
| Average HighHigher is warmer | 19°C (66°F) | 20°C (68°F)▲ | Busan |
| Average LowHigher is milder | 9°C (48°F) | 14°C (57°F)▲ | Busan |
| Rain DaysFewer is drier | 5 days | 5 days | Tie |
| PrecipitationLess is drier | 54 mm▲ | 70 mm | Seoul |
| Sunshine HoursMore is sunnier | 9h/day | 9h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 14 km/h▲ | 17 km/h | Seoul |
Seoul and Busan are closely matched in October. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.
Seoul sits in the comfortable travel range at 19°C. Busan is also comfortable at 20°C.
For travelers who prioritize dry weather, both cities are equally dry in October.
Seoul reaches an average high of 19°C (66°F) and drops to 9°C (48°F) at night during October. The daily temperature range is 10°C, meaning moderate variation throughout the day.
Busan averages 20°C (68°F) for the high and 14°C (57°F) for the low, with a daily range of 6°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in October.
Seoul receives approximately 54 mm of rainfall across 5 rain days during October. Rain is occasional, so a light rain jacket should suffice.
Busan sees 70 mm over 5 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 65%.
Highs of 19°C, lows of 9°C, 5 rain days
Highs of 20°C, lows of 14°C, 5 rain days
Pack for both: a packable rain jacket, an umbrella. These items are useful in either destination during October.
The table below shows average high temperatures and rain days for every month. October is highlighted for quick reference.
| Month | Seoul | Busan | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 1°C | 4d | 6°C | 4d |
| Feb | 4°C | 4d | 8°C | 5d |
| Mar | 10°C | 6d | 12°C | 8d |
| Apr | 17°C | 7d | 16°C | 8d |
| May | 22°C | 8d | 21°C | 8d |
| Jun | 26°C | 9d | 24°C | 10d |
| Jul | 28°C | 17d | 27°C | 14d |
| Aug | 29°C | 16d | 28°C | 14d |
| Sep | 25°C | 8d | 25°C | 10d |
| Oct | 19°C | 5d | 20°C | 5d |
| Nov | 11°C | 7d | 14°C | 5d |
| Dec | 3°C | 5d | 8°C | 3d |
Seoul Weather in October
Full forecast, packing tips, and activities
Busan Weather in October
Full forecast, packing tips, and activities