Jeju vs Busan

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Busan edges ahead as the better destination in August. Busan offers 6 hours of daily sunshine with only 5 rain days, while Jeju sees 10 sunshine hours and 17 rain days.

Jeju sits in the comfortable travel range at 28°C. Busan is also comfortable at 20°C.

For travelers who prioritize dry weather, Busan is the stronger choice in August. Jeju receives 4 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Jeju reaches an average high of 28°C (82°F) and drops to 25°C (77°F) at night during August. The daily temperature range is 3°C, meaning relatively stable temperatures from day to night.

Busan averages 20°C (68°F) for the high and 12°C (54°F) for the low, with a daily range of 8°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 August.

Jeju receives approximately 227 mm of rainfall across 17 rain days during August. Rain is frequent, so waterproof gear is essential.

Busan sees 60 mm over 5 rain days. That makes Busan the drier option by 12 rain days and 167 mm of total precipitation.

Humidity also differs: Jeju averages 70% while Busan sits at 65%. Jeju will feel muggier, especially at higher temperatures.