Weather Comparison
Hong Kong vs Seoul
Side-by-side weather comparison for December
December Weather: Hong Kong vs Seoul
| Metric | Hong Kong | Seoul | Better |
|---|---|---|---|
| Average HighHigher is warmer | 20°C (68°F)▲ | 3°C (37°F) | Hong Kong |
| Average LowHigher is milder | 14°C (57°F)▲ | -5°C (23°F) | Hong Kong |
| Rain DaysFewer is drier | 4 days▲ | 5 days | Hong Kong |
| PrecipitationLess is drier | 29 mm | 23 mm▲ | Seoul |
| Sunshine HoursMore is sunnier | 8h/day▲ | 7h/day | Hong Kong |
| HumidityLower is more comfortable | 78% | 65%▲ | Seoul |
| UV IndexLower is safer | 3 | 1▲ | Seoul |
| Wind SpeedCalmer is better | 18 km/h | 15 km/h▲ | Seoul |
Which City is Better in December?
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Hong Kong edges ahead as the better destination in December. Hong Kong offers 8 hours of daily sunshine with only 4 rain days, while Seoul sees 7 sunshine hours and 5 rain days.
Hong Kong sits in the comfortable travel range at 20°C. Seoul is cooler at 3°C.
For travelers who prioritize dry weather, Hong Kong is the stronger choice in December. Hong Kong receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Temperature Comparison in December
Hong Kong reaches an average high of 20°C (68°F) and drops to 14°C (57°F) at night during December. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.
Seoul averages 3°C (37°F) for the high and -5°C (23°F) for the low, with a daily range of 8°C. There is a notable 17°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 December.
Rainfall Comparison in December
Hong Kong receives approximately 29 mm of rainfall across 4 rain days during December. Rain is occasional, so a light rain jacket should suffice.
Seoul sees 23 mm over 5 rain days. That makes Hong Kong the drier option by 1 rain day and 6 mm of total precipitation.
Humidity also differs: Hong Kong averages 78% while Seoul sits at 65%. Hong Kong will feel muggier, especially at higher temperatures.
What to Pack: Hong Kong vs Seoul
Packing for Hong Kong in December
Highs of 20°C, lows of 14°C, 4 rain days
- ✓light layers
- ✓a light jacket for evenings
- ✓sunscreen
- ✓moisture-wicking fabrics
Packing for Seoul in December
Highs of 3°C, lows of -5°C, 5 rain days
- ✓heavy winter coat
- ✓thermal base layers
- ✓warm gloves and hat
- ✓insulated boots
- ✓a packable rain jacket
- ✓an umbrella
- ✓a warm scarf
Year-Round Comparison: Hong Kong vs Seoul
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.December is highlighted for quick reference.
| Month | Hong Kong | Seoul | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 19°C | 4d | 1°C | 4d |
| Feb | 20°C | 6d | 4°C | 4d |
| Mar | 22°C | 10d | 10°C | 6d |
| Apr | 25°C | 14d | 17°C | 7d |
| May | 28°C | 20d | 22°C | 8d |
| Jun | 29°C | 24d | 26°C | 9d |
| Jul | 30°C | 24d | 28°C | 17d |
| Aug | 30°C | 24d | 29°C | 16d |
| Sep | 29°C | 17d | 25°C | 8d |
| Oct | 27°C | 7d | 19°C | 5d |
| Nov | 24°C | 5d | 11°C | 7d |
| Dec | 20°C | 4d | 3°C | 5d |
Hong Kong Weather in December
Full forecast, packing tips, and activities
Seoul Weather in December
Full forecast, packing tips, and activities