Busan vs Seoul

Busan and Seoul are closely matched in May. 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.

Busan sits in the comfortable travel range at 21°C. Seoul is also comfortable at 22°C.

For travelers who prioritize dry weather, both cities are equally dry in May.

Busan reaches an average high of 21°C (70°F) and drops to 14°C (57°F) at night during May. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Seoul averages 22°C (72°F) for the high and 12°C (54°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 May.

Busan receives approximately 117 mm of rainfall across 8 rain days during May. You can expect rain roughly every other day.

Seoul sees 95 mm over 8 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 65%.