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Weather Comparison

Seoul vs Hong Kong

Side-by-side weather comparison for May

Seoul: 22°CHong Kong: 28°C2,092 km apart

May Weather: Seoul vs Hong Kong

MetricSeoulHong KongBetter
Average HighHigher is warmer22°C (72°F)28°C (82°F)Hong Kong
Average LowHigher is milder12°C (54°F)24°C (75°F)Hong Kong
Rain DaysFewer is drier8 days20 daysSeoul
PrecipitationLess is drier95 mm232 mmSeoul
Sunshine HoursMore is sunnier10h/day8h/daySeoul
HumidityLower is more comfortable65%78%Seoul
UV IndexLower is safer99Tie
Wind SpeedCalmer is better16 km/h17 km/hSeoul

Which City is Better in May?

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.

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

Temperature Comparison in May

Seoul reaches an average high of 22°C (72°F) and drops to 12°C (54°F) at night during May. The daily temperature range is 10°C, meaning moderate variation throughout the day.

Hong Kong averages 28°C (82°F) for the high and 24°C (75°F) for the low, with a daily range of 4°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.

Rainfall Comparison in May

Seoul receives approximately 95 mm of rainfall across 8 rain days during May. You can expect rain roughly every other day.

Hong Kong sees 232 mm over 20 rain days. That makes Seoul the drier option by 12 rain days and 137 mm of total precipitation.

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

What to Pack: Seoul vs Hong Kong

Packing for Seoul in May

Highs of 22°C, lows of 12°C, 8 rain days

  • light layers
  • a light jacket for evenings
  • sunscreen
  • a packable rain jacket
  • an umbrella

Packing for Hong Kong in May

Highs of 28°C, lows of 24°C, 20 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • moisture-wicking fabrics

Year-Round Comparison: Seoul vs Hong Kong

The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.May is highlighted for quick reference.

MonthSeoulHong Kong
HighRainHighRain
Jan1°C4d19°C4d
Feb4°C4d20°C6d
Mar10°C6d22°C10d
Apr17°C7d25°C14d
May22°C8d28°C20d
Jun26°C9d29°C24d
Jul28°C17d30°C24d
Aug29°C16d30°C24d
Sep25°C8d29°C17d
Oct19°C5d27°C7d
Nov11°C7d24°C5d
Dec3°C5d20°C4d
22°

Seoul Weather in May

Full forecast, packing tips, and activities

28°

Hong Kong Weather in May

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Seoul warmer than Hong Kong in May?
No. In May, Hong Kong is warmer with an average high of 28°C (82°F) compared to Seoul at 22°C (72°F), a difference of 6°C.
Which city gets more rain in May, Seoul or Hong Kong?
Hong Kong gets more rain in May with 20 rain days and 232 mm of precipitation. Seoul is the drier option with 8 rain days.
Is it better to visit Seoul or Hong Kong in May?
It depends on your preferences. Seoul averages 22°C and 10 hours of daily sunshine with 8 rain days. Hong Kong averages 28°C with 8 sunshine hours and 20 rain days. If you prefer cooler conditions, choose Hong Kong. For drier weather, Seoul is the better pick.
How far apart are Seoul and Hong Kong?
Seoul and Hong Kong are approximately 2,092 km (1,299 miles) apart. Seoul is located in South Korea (Asia) while Hong Kong is in Hong Kong (Asia).
What is the best month to visit Seoul and Hong Kong?
For Seoul, May tends to be the best month with 10 hours of daily sunshine and a high of 22°C. For Hong Kong, July is typically ideal with 10 sunshine hours and 30°C highs.

Compare Seoul and Hong Kong in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Seoul coordinates: 37.57°N, 126.98°E | Hong Kong coordinates: 22.32°N, 114.17°E