Seoul vs Busan

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Busan edges ahead as the better destination in December. Busan offers 8 hours of daily sunshine with only 3 rain days, while Seoul sees 7 sunshine hours and 5 rain days.

Seoul is on the cooler side at 3°C, requiring warmer clothing. Busan is cooler at 8°C.

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

Seoul reaches an average high of 3°C (37°F) and drops to -5°C (23°F) at night during December. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Busan averages 8°C (46°F) for the high and 2°C (36°F) for the low, with a daily range of 6°C. There is a notable 5°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 December.

Seoul receives approximately 23 mm of rainfall across 5 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Busan sees 28 mm over 3 rain days. That makes Busan the drier option by 2 rain days and 5 mm of total precipitation.

Both cities share similar humidity levels at 65%.