Weather Comparison
Side-by-side weather comparison for April
| Metric | Hong Kong | Seoul | Better |
|---|---|---|---|
| Average HighHigher is warmer | 25°C (77°F)▲ | 17°C (63°F) | Hong Kong |
| Average LowHigher is milder | 21°C (70°F)▲ | 6°C (43°F) | Hong Kong |
| Rain DaysFewer is drier | 14 days | 7 days▲ | Seoul |
| PrecipitationLess is drier | 129 mm | 70 mm▲ | Seoul |
| Sunshine HoursMore is sunnier | 8h/day | 10h/day▲ | Seoul |
| HumidityLower is more comfortable | 78% | 65%▲ | Seoul |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 18 km/h | 18 km/h | Tie |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Seoul edges ahead as the better destination in April. Seoul offers 10 hours of daily sunshine with only 7 rain days, while Hong Kong sees 8 sunshine hours and 14 rain days.
Hong Kong sits in the comfortable travel range at 25°C. Seoul is also comfortable at 17°C.
For travelers who prioritize dry weather, Seoul is the stronger choice in April. Seoul receives 2 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Hong Kong reaches an average high of 25°C (77°F) and drops to 21°C (70°F) at night during April. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.
Seoul averages 17°C (63°F) for the high and 6°C (43°F) for the low, with a daily range of 11°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 April.
Hong Kong receives approximately 129 mm of rainfall across 14 rain days during April. You can expect rain roughly every other day.
Seoul sees 70 mm over 7 rain days. That makes Seoul the drier option by 7 rain days and 59 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.
Highs of 25°C, lows of 21°C, 14 rain days
Highs of 17°C, lows of 6°C, 7 rain days
The table below shows average high temperatures and rain days for every month. April 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 April
Full forecast, packing tips, and activities
Seoul Weather in April
Full forecast, packing tips, and activities