Jeju vs Busan

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Busan edges ahead as the better destination in July. Busan offers 9 hours of daily sunshine with only 14 rain days, while Jeju sees 9 sunshine hours and 16 rain days.

Jeju sits in the comfortable travel range at 27°C. Busan is also comfortable at 27°C.

For travelers who prioritize dry weather, Busan is the stronger choice in July.

Jeju reaches an average high of 27°C (81°F) and drops to 24°C (75°F) at night during July. The daily temperature range is 3°C, meaning relatively stable temperatures from day to night.

Busan averages 27°C (81°F) for the high and 22°C (72°F) for the low, with a daily range of 5°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in July.

Jeju receives approximately 225 mm of rainfall across 16 rain days during July. Rain is frequent, so waterproof gear is essential.

Busan sees 249 mm over 14 rain days. That makes Busan the drier option by 2 rain days and 24 mm of total precipitation.

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