Busan vs Seoul

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.

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

Busan reaches an average high of 8°C (46°F) and drops to 2°C (36°F) at night during December. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.

Seoul averages 3°C (37°F) for the high and -5°C (23°F) for the low, with a daily range of 8°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.

Busan receives approximately 28 mm of rainfall across 3 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Seoul sees 23 mm over 5 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%.