The month in detail
What to expect in October
Autumn in Busan is often underrated: 21°C, 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: −5°C 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.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Busan
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Busan
GetYourGuide selection · free cancellation
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 holiday.
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 · 30°C
❄️Coolest monthJanuary · 7°C
🌧️Rainiest month ⓘJuly · 39%
🏖️ Beach holiday
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Explore
Other destinations in October
If October doesn't convince you for this destination, compare with others.
Location
Where is Busan ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
South KoreaTemperate 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 22.0°C highs, 13.0°C 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 13.0°C, while afternoon highs average 22.0°C.
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 22°C 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.