Jeju vs Seoul

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Jeju edges ahead as the better destination in March. Jeju offers 4 hours of daily sunshine with only 4 rain days, while Seoul sees 9 sunshine hours and 6 rain days.

Jeju sits in the comfortable travel range at 16°C. Seoul is cooler at 10°C.

For travelers who prioritize dry weather, Jeju is the stronger choice in March. Seoul receives 5 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Jeju reaches an average high of 16°C (61°F) and drops to 8°C (46°F) at night during March. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Seoul averages 10°C (50°F) for the high and 0°C (32°F) for the low, with a daily range of 10°C. There is a notable 6°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 March.

Jeju receives approximately 50 mm of rainfall across 4 rain days during March. Rain is occasional, so a light rain jacket should suffice.

Seoul sees 37 mm over 6 rain days. That makes Jeju the drier option by 2 rain days and 13 mm of total precipitation.

Both cities share similar humidity levels at 65%.