Seoul vs Jeju

Seoul and Jeju are closely matched in April. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Seoul sits in the comfortable travel range at 17°C. Jeju is also comfortable at 20°C.

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

Seoul reaches an average high of 17°C (63°F) and drops to 6°C (43°F) at night during April. The daily temperature range is 11°C, meaning moderate variation throughout the day.

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

Seoul receives approximately 70 mm of rainfall across 7 rain days during April. Rain is occasional, so a light rain jacket should suffice.

Jeju sees 60 mm over 5 rain days. That makes Jeju the drier option by 2 rain days and 10 mm of total precipitation.

Both cities share similar humidity levels at 65%.