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Weather Comparison

Busan vs Seoul

Side-by-side weather comparison for October

Busan: 20°CSeoul: 19°C325 km apart

October Weather: Busan vs Seoul

MetricBusanSeoulBetter
Average HighHigher is warmer20°C (68°F)19°C (66°F)Busan
Average LowHigher is milder14°C (57°F)9°C (48°F)Busan
Rain DaysFewer is drier5 days5 daysTie
PrecipitationLess is drier70 mm54 mmSeoul
Sunshine HoursMore is sunnier9h/day9h/dayTie
HumidityLower is more comfortable65%65%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better17 km/h14 km/hSeoul

Which City is Better in October?

Busan and Seoul are closely matched in October. 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 20°C. Seoul is also comfortable at 19°C.

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

Temperature Comparison in October

Busan reaches an average high of 20°C (68°F) and drops to 14°C (57°F) at night during October. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.

Seoul averages 19°C (66°F) for the high and 9°C (48°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 October.

Rainfall Comparison in October

Busan receives approximately 70 mm of rainfall across 5 rain days during October. Rain is occasional, so a light rain jacket should suffice.

Seoul sees 54 mm over 5 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 65%.

What to Pack: Busan vs Seoul

Packing for Busan in October

Highs of 20°C, lows of 14°C, 5 rain days

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

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

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

Year-Round Comparison: Busan vs Seoul

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.

MonthBusanSeoul
HighRainHighRain
Jan6°C4d1°C4d
Feb8°C5d4°C4d
Mar12°C8d10°C6d
Apr16°C8d17°C7d
May21°C8d22°C8d
Jun24°C10d26°C9d
Jul27°C14d28°C17d
Aug28°C14d29°C16d
Sep25°C10d25°C8d
Oct20°C5d19°C5d
Nov14°C5d11°C7d
Dec8°C3d3°C5d
20°

Busan Weather in October

Full forecast, packing tips, and activities

19°

Seoul Weather in October

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Busan warmer than Seoul in October?
Yes. In October, Busan is warmer with an average high of 20°C (68°F) compared to Seoul at 19°C (66°F), a difference of 1°C.
Which city gets more rain in October, Busan or Seoul?
Both cities average 5 rain days in October with similar precipitation levels.
Is it better to visit Busan or Seoul in October?
It depends on your preferences. Busan averages 20°C and 9 hours of daily sunshine with 5 rain days. Seoul averages 19°C with 9 sunshine hours and 5 rain days. If you prefer warmer weather, choose Busan. For fewer rain days, both are equal.
How far apart are Busan and Seoul?
Busan and Seoul are approximately 325 km (202 miles) apart. Busan is located in South Korea (Asia) while Seoul is in South Korea (Asia).
What is the best month to visit Busan and Seoul?
For Busan, April tends to be the best month with 10 hours of daily sunshine and a high of 16°C. For Seoul, May is typically ideal with 10 sunshine hours and 22°C highs.

Compare Busan and Seoul 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.

Busan coordinates: 35.18°N, 129.08°E | Seoul coordinates: 37.57°N, 126.98°E