Skip to content

Weather Comparison

Seoul vs Hong Kong

Side-by-side weather comparison for October

Seoul: 19°CHong Kong: 27°C2,092 km apart

October Weather: Seoul vs Hong Kong

MetricSeoulHong KongBetter
Average HighHigher is warmer19°C (66°F)27°C (81°F)Hong Kong
Average LowHigher is milder9°C (48°F)23°C (73°F)Hong Kong
Rain DaysFewer is drier5 days7 daysSeoul
PrecipitationLess is drier54 mm69 mmSeoul
Sunshine HoursMore is sunnier9h/day9h/dayTie
HumidityLower is more comfortable65%78%Seoul
UV IndexLower is safer66Tie
Wind SpeedCalmer is better14 km/h17 km/hSeoul

Which City is Better in October?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Seoul edges ahead as the better destination in October. Seoul offers 9 hours of daily sunshine with only 5 rain days, while Hong Kong sees 9 sunshine hours and 7 rain days.

Seoul sits in the comfortable travel range at 19°C. Hong Kong is also comfortable at 27°C.

For travelers who prioritize dry weather, Seoul is the stronger choice in October.

Temperature Comparison in October

Seoul reaches an average high of 19°C (66°F) and drops to 9°C (48°F) at night during October. The daily temperature range is 10°C, meaning moderate variation throughout the day.

Hong Kong averages 27°C (81°F) for the high and 23°C (73°F) for the low, with a daily range of 4°C. There is a notable 8°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 October.

Rainfall Comparison in October

Seoul receives approximately 54 mm of rainfall across 5 rain days during October. Rain is occasional, so a light rain jacket should suffice.

Hong Kong sees 69 mm over 7 rain days. That makes Seoul the drier option by 2 rain days and 15 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 October

Highs of 19°C, lows of 9°C, 5 rain days

  • warm layers
  • a mid-weight jacket
  • long trousers
  • a packable rain jacket
  • an umbrella

Packing for Hong Kong in October

Highs of 27°C, lows of 23°C, 7 rain days

  • light layers
  • a light jacket for evenings
  • sunscreen
  • a packable rain jacket
  • an umbrella
  • moisture-wicking fabrics

Pack for both: a packable rain jacket, an umbrella. These items are useful in either destination during October.

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.October 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
19°

Seoul Weather in October

Full forecast, packing tips, and activities

27°

Hong Kong Weather in October

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Seoul warmer than Hong Kong in October?
No. In October, Hong Kong is warmer with an average high of 27°C (81°F) compared to Seoul at 19°C (66°F), a difference of 8°C.
Which city gets more rain in October, Seoul or Hong Kong?
Hong Kong gets more rain in October with 7 rain days and 69 mm of precipitation. Seoul is the drier option with 5 rain days.
Is it better to visit Seoul or Hong Kong in October?
It depends on your preferences. Seoul averages 19°C and 9 hours of daily sunshine with 5 rain days. Hong Kong averages 27°C with 9 sunshine hours and 7 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