Seoul vs Hong Kong

Seoul and Hong Kong are closely matched in January. 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.

Seoul is on the cooler side at 1°C, requiring warmer clothing. Hong Kong is also comfortable at 19°C.

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

Seoul reaches an average high of 1°C (34°F) and drops to -7°C (19°F) at night during January. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Hong Kong averages 19°C (66°F) for the high and 13°C (55°F) for the low, with a daily range of 6°C. There is a notable 18°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 January.

Seoul receives approximately 19 mm of rainfall across 4 rain days during January. Rain is occasional, so a light rain jacket should suffice.

Hong Kong sees 24 mm over 4 rain days. Both cities are equally rainy this month.

Humidity also differs: Seoul averages 65% while Hong Kong sits at 78%. Hong Kong will feel muggier, especially at higher temperatures.