Seoul vs Jeju

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Seoul edges ahead as the better destination in June. Seoul offers 10 hours of daily sunshine with only 9 rain days, while Jeju sees 8 sunshine hours and 13 rain days.

Seoul sits in the comfortable travel range at 26°C. Jeju is also comfortable at 23°C.

For travelers who prioritize dry weather, Seoul is the stronger choice in June. Seoul receives 2 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Seoul reaches an average high of 26°C (79°F) and drops to 17°C (63°F) at night during June. The daily temperature range is 9°C, meaning moderate variation throughout the day.

Jeju averages 23°C (73°F) for the high and 19°C (66°F) for the low, with a daily range of 4°C. The 3°C difference is noticeable but not dramatic.

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

Seoul receives approximately 134 mm of rainfall across 9 rain days during June. You can expect rain roughly every other day.

Jeju sees 234 mm over 13 rain days. That makes Seoul the drier option by 4 rain days and 100 mm of total precipitation.

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