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 9 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 1 more hour 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.