Weather Comparison
Side-by-side weather comparison for October
| Metric | Busan | Seoul | Better |
|---|---|---|---|
| Average HighHigher is warmer | 20°C (68°F)▲ | 19°C (66°F) | Busan |
| Average LowHigher is milder | 14°C (57°F)▲ | 9°C (48°F) | Busan |
| Rain DaysFewer is drier | 5 days | 5 days | Tie |
| PrecipitationLess is drier | 70 mm | 54 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 | 17 km/h | 14 km/h▲ | Seoul |
Busan and Seoul 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.
Busan sits in the comfortable travel range at 20°C. Seoul is also comfortable at 19°C.
For travelers who prioritize dry weather, both cities are equally dry in October.
Busan reaches an average high of 20°C (68°F) and drops to 14°C (57°F) at night during October. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.
Seoul averages 19°C (66°F) for the high and 9°C (48°F) for the low, with a daily range of 10°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.
Busan receives approximately 70 mm of rainfall across 5 rain days during October. Rain is occasional, so a light rain jacket should suffice.
Seoul sees 54 mm over 5 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 65%.
Highs of 20°C, lows of 14°C, 5 rain days
Highs of 19°C, lows of 9°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 | Busan | Seoul | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 6°C | 4d | 1°C | 4d |
| Feb | 8°C | 5d | 4°C | 4d |
| Mar | 12°C | 8d | 10°C | 6d |
| Apr | 16°C | 8d | 17°C | 7d |
| May | 21°C | 8d | 22°C | 8d |
| Jun | 24°C | 10d | 26°C | 9d |
| Jul | 27°C | 14d | 28°C | 17d |
| Aug | 28°C | 14d | 29°C | 16d |
| Sep | 25°C | 10d | 25°C | 8d |
| Oct | 20°C | 5d | 19°C | 5d |
| Nov | 14°C | 5d | 11°C | 7d |
| Dec | 8°C | 3d | 3°C | 5d |
Busan Weather in October
Full forecast, packing tips, and activities
Seoul Weather in October
Full forecast, packing tips, and activities