Weather Comparison
Side-by-side weather comparison for April
| Metric | Busan | Jeju | Better |
|---|---|---|---|
| Average HighHigher is warmer | 20°C (68°F)▲ | 16°C (61°F) | Busan |
| Average LowHigher is milder | 12°C (54°F)▲ | 11°C (52°F) | Busan |
| Rain DaysFewer is drier | 5 days▲ | 9 days | Busan |
| PrecipitationLess is drier | 60 mm▲ | 121 mm | Busan |
| Sunshine HoursMore is sunnier | 6h/day | 9h/day▲ | Jeju |
| HumidityLower is more comfortable | 65%▲ | 70% | Busan |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 15 km/h▲ | 18 km/h | Busan |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Busan edges ahead as the better destination in April. Busan offers 6 hours of daily sunshine with only 5 rain days, while Jeju sees 9 sunshine hours and 9 rain days.
Busan sits in the comfortable travel range at 20°C. Jeju is also comfortable at 16°C.
For travelers who prioritize dry weather, Busan is the stronger choice in April. Jeju receives 3 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Busan reaches an average high of 20°C (68°F) and drops to 12°C (54°F) at night during April. The daily temperature range is 8°C, meaning moderate variation throughout the day.
Jeju averages 16°C (61°F) for the high and 11°C (52°F) for the low, with a daily range of 5°C. The 4°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in April.
Busan receives approximately 60 mm of rainfall across 5 rain days during April. Rain is occasional, so a light rain jacket should suffice.
Jeju sees 121 mm over 9 rain days. That makes Busan the drier option by 4 rain days and 61 mm of total precipitation.
Humidity also differs: Busan averages 65% while Jeju sits at 70%. Jeju will feel muggier, especially at higher temperatures.
Highs of 20°C, lows of 12°C, 5 rain days
Highs of 16°C, lows of 11°C, 9 rain days
Pack for both: a packable rain jacket, an umbrella. These items are useful in either destination during April.
The table below shows average high temperatures and rain days for every month. April is highlighted for quick reference.
| Month | Busan | Jeju | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 8°C | 3d | 7°C | 9d |
| Feb | 11°C | 3d | 8°C | 8d |
| Mar | 15°C | 4d | 11°C | 10d |
| Apr | 20°C | 5d | 16°C | 9d |
| May | 23°C | 6d | 20°C | 10d |
| Jun | 24°C | 6d | 23°C | 13d |
| Jul | 23°C | 6d | 27°C | 16d |
| Aug | 20°C | 5d | 28°C | 17d |
| Sep | 15°C | 4d | 25°C | 13d |
| Oct | 11°C | 3d | 20°C | 7d |
| Nov | 8°C | 3d | 15°C | 8d |
| Dec | 6°C | 3d | 10°C | 8d |
Busan Weather in April
Full forecast, packing tips, and activities
Jeju Weather in April
Full forecast, packing tips, and activities