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Busan, South Korea · Temperate oceanic

Busan in October: go or not?

Good time. Busan in October gets 7.9/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 35.18°N · 129.08°E
⚡ This month's verdict
Go for it
Busan · October
7.9
13–21°
Temperature
18%
Rain
7h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Philip Jang via Unsplash
The month in detail

What to expect in October

Autumn in Busan is often underrated: 70°F, golden light and declining crowds. An interesting window. Rain risk remains low (18% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if May (8.1/10) remains theoretically better.

October ranks 3 out of 12 months in Busan. Compared to September: −9°F daytime, 16 pts fewer rainy days, +1.0h of sun per day.

This month's conditions

What it's like in October

UV index
4 · moderate
protect during midday hours
Feels like
comfortable
11°
Sea
22°C
cool, invigorating
Daylight
11.1h of daylight
Air quality
good
AQI 29
Compare

Is October the right month?

The best month in Busan is May (8.1/10), 0.2 pt higher than October.

See May →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Busan

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach trip.

Country · South Korea

🗣️LanguageKorean
💶CurrencySouth Korean Won (₩)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthAugust · 86°F
❄️Coolest monthJanuary · 45°F
🌧️Rainiest month ⓘJuly · 39%

🏖️ Beach trip

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Location

Where is Busan ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
South Korea
Temperate oceanic climate with a 8.1 → 4.3 gap between best and worst month. 10 years of ERA5 data to choose by project.
35.18°N · 129.08°E
Questions

Frequently asked questions

What is the best time to visit Busan?
May is the best month with 72°F highs, 55°F lows, 7.4h of sunshine and 22.0% rainy days. The months of May & June offer comparable conditions.
How many hours of sunshine does Busan get in May?
Busan averages 7.4 sunshine hours per day in May. It is the sunniest month with a climate score of 7.5/10.
What is the rainiest month in Busan?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Busan in May?
In May, overnight lows reach 55°F, while afternoon highs average 72°F.
Is Busan good in winter?
In winter (December-February), Busan scores 4.1/10 on average — Difficult period — prefer the peak season.. The best month overall remains May with a score of 7.5/10.
When should you avoid Busan?
January is the most difficult month to visit Busan, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Busan in October?
In October, the sea averages 71°F in Busan: cool, invigorating. Swimming is possible but brisk; sensitive swimmers may prefer a wetsuit.
Do you need sun protection in Busan in October?
The average UV index reaches 4 in October in Busan (moderate), with about 11.1h of daylight. Protect during midday hours.