Weather Comparison
Seoul vs Hong Kong
Side-by-side weather comparison for October
October Weather: Seoul vs Hong Kong
| Metric | Seoul | Hong Kong | Better |
|---|---|---|---|
| Average HighHigher is warmer | 19°C (66°F) | 27°C (81°F)▲ | Hong Kong |
| Average LowHigher is milder | 9°C (48°F) | 23°C (73°F)▲ | Hong Kong |
| Rain DaysFewer is drier | 5 days▲ | 7 days | Seoul |
| PrecipitationLess is drier | 54 mm▲ | 69 mm | Seoul |
| Sunshine HoursMore is sunnier | 9h/day | 9h/day | Tie |
| HumidityLower is more comfortable | 65%▲ | 78% | Seoul |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 14 km/h▲ | 17 km/h | Seoul |
Which City is Better in October?
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Seoul edges ahead as the better destination in October. Seoul offers 9 hours of daily sunshine with only 5 rain days, while Hong Kong sees 9 sunshine hours and 7 rain days.
Seoul sits in the comfortable travel range at 19°C. Hong Kong is also comfortable at 27°C.
For travelers who prioritize dry weather, Seoul is the stronger choice in October.
Temperature Comparison 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.
Hong Kong averages 27°C (81°F) for the high and 23°C (73°F) for the low, with a daily range of 4°C. There is a notable 8°C gap between the two cities, so expect a very different feel.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in October.
Rainfall Comparison 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.
Hong Kong sees 69 mm over 7 rain days. That makes Seoul the drier option by 2 rain days and 15 mm of total precipitation.
Humidity also differs: Seoul averages 65% while Hong Kong sits at 78%. Hong Kong will feel muggier, especially at higher temperatures.
What to Pack: Seoul vs Hong Kong
Packing for Seoul in October
Highs of 19°C, lows of 9°C, 5 rain days
- ✓warm layers
- ✓a mid-weight jacket
- ✓long trousers
- ✓a packable rain jacket
- ✓an umbrella
Packing for Hong Kong in October
Highs of 27°C, lows of 23°C, 7 rain days
- ✓light layers
- ✓a light jacket for evenings
- ✓sunscreen
- ✓a packable rain jacket
- ✓an umbrella
- ✓moisture-wicking fabrics
Pack for both: a packable rain jacket, an umbrella. These items are useful in either destination during October.
Year-Round Comparison: Seoul vs Hong Kong
The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.October is highlighted for quick reference.
| Month | Seoul | Hong Kong | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 1°C | 4d | 19°C | 4d |
| Feb | 4°C | 4d | 20°C | 6d |
| Mar | 10°C | 6d | 22°C | 10d |
| Apr | 17°C | 7d | 25°C | 14d |
| May | 22°C | 8d | 28°C | 20d |
| Jun | 26°C | 9d | 29°C | 24d |
| Jul | 28°C | 17d | 30°C | 24d |
| Aug | 29°C | 16d | 30°C | 24d |
| Sep | 25°C | 8d | 29°C | 17d |
| Oct | 19°C | 5d | 27°C | 7d |
| Nov | 11°C | 7d | 24°C | 5d |
| Dec | 3°C | 5d | 20°C | 4d |
Seoul Weather in October
Full forecast, packing tips, and activities
Hong Kong Weather in October
Full forecast, packing tips, and activities