Hong Kong vs Seoul

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Seoul edges ahead as the better destination in May. Seoul offers 10 hours of daily sunshine with only 8 rain days, while Hong Kong sees 8 sunshine hours and 20 rain days.

Hong Kong sits in the comfortable travel range at 28°C. Seoul is also comfortable at 22°C.

For travelers who prioritize dry weather, Seoul is the stronger choice in May. Seoul receives 2 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Hong Kong reaches an average high of 28°C (82°F) and drops to 24°C (75°F) at night during May. The daily temperature range is 4°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. There is a notable 6°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 May.

Hong Kong receives approximately 232 mm of rainfall across 20 rain days during May. Rain is frequent, so waterproof gear is essential.

Seoul sees 95 mm over 8 rain days. That makes Seoul the drier option by 12 rain days and 137 mm of total precipitation.

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