Jeju vs Seoul

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Seoul edges ahead as the better destination in March. Seoul offers 9 hours of daily sunshine with only 6 rain days, while Jeju sees 8 sunshine hours and 10 rain days.

Jeju is on the cooler side at 11°C, requiring warmer clothing. Seoul is cooler at 10°C.

For travelers who prioritize dry weather, Seoul is the stronger choice in March. Seoul receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Jeju reaches an average high of 11°C (52°F) and drops to 7°C (45°F) at night during March. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.

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

Jeju receives approximately 99 mm of rainfall across 10 rain days during March. You can expect rain roughly every other day.

Seoul sees 37 mm over 6 rain days. That makes Seoul the drier option by 4 rain days and 62 mm of total precipitation.

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