South Korea Busan Weather in October — Climate Guide
October in Busan is very-high
October is very-high for Busan.
BIFF is most-iconic Busan event — Hollywood A-list + Korean cinema. Hotels triple. Book 3-6 months ahead. Most-photogenic Busan month.
Travel score
Busan October Weather Stats
Avg High
22°C
Avg Low
14°C
Rainy Days
7
80mm total
Sunshine
7h
Daily avg
Humidity
65%
moderate
UV Index
5
Moderate
Wind
7 km/h
Gusts 20
Sea Temp
21°C
swimming chilly
Crowds
Very busy
At attractions
October Sunrise & Sunset
Air Quality
PM2.5
12 μg/m³
PM10
22 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
22°C
Nighttime
14°C
Humidity and wind affect how the actual temperature feels.
Wind
7 km/h
Max gust 20 km/h
Activities Recommended for October
October Travel Pros & Cons
Pros
- BIFF film festival
- 22°C ideal
- Autumn foliage
- Clear skies
Cons
- BIFF hotels triple
- Tourist crush peak
October Events & Festivals
- BIFF (Busan International Film Festival) October
- Autumn foliage starts
Busan in October — Full Picture
BIFF is most-iconic Busan event — Hollywood A-list + Korean cinema. Hotels triple. Book 3-6 months ahead. Most-photogenic Busan month.
What to Wear & What to Pack
Pleasant autumn. Light jacket + sweater.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
16.7°C
9.7°C
8.3/mo
Summer (Jun·Jul·Aug)
27.3°C
21.3°C
11.7/mo
Autumn (Sep·Oct·Nov)
Current21.3°C
13.7°C
7.3/mo
Winter (Dec·Jan·Feb)
9°C
2°C
5.3/mo
Busan Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 8° | 1° | 5d·35mm | 6h | 50% | 2 | Quiet | Low season | |
| 9° | 2° | 6d·45mm | 6h | 55% | 3 | Quiet | Low season | |
| 12° | 5° | 8d·75mm | 7h | 60% | 5 | Moderate | Shoulder | |
| April (Best) | 17° | 10° | 8d·100mm | 8h | 65% | 6 | Very busy | Peak |
| 21° | 14° | 9d·110mm | 8h | 70% | 7 | Busy | Peak | |
| 24° | 18° | 11d·200mm | 6h | 80% | 8 | Moderate | Shoulder | |
| 28° | 22° | 13d·280mm | 5h | 80% | 9 | Busy | Peak | |
| 30° | 24° | 11d·200mm | 7h | 78% | 10 | Very busy | Peak | |
| 26° | 19° | 9d·150mm | 7h | 75% | 7 | Busy | Peak | |
| October (Best) | 22° | 14° | 7d·80mm | 7h | 65% | 5 | Very busy | Peak |
| 16° | 8° | 6d·60mm | 6h | 60% | 3 | Moderate | Shoulder | |
| 10° | 3° | 5d·40mm | 6h | 55% | 2 | Moderate | Shoulder |
View Other Months
Busan October Hotel Picks
Frequently Asked Questions
Is October a good time to visit Busan?
Busan in October is very-high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Busan in October?
Busan October averages a high of 22°C and a low of 14°C.
Does it rain much in Busan in October?
Busan October averages 80mm of rainfall over about 7 rainy days.
What should I wear in Busan in October?
Pleasant autumn. Light jacket + sweater.
What time are sunrise and sunset in Busan in October?
Busan October sunrise is 06:30 and sunset is 17:35, with 11h 5min of daylight.
What's the air quality like in Busan in October?
Busan October air quality (AQI) averages 35, rated Good. PM2.5 averages 12μg/m³.
What activities are recommended in Busan in October?
In October, Busan is great for BIFF screenings + BIFF Square, Haeundae, Gamcheon.
Is October peak season in Busan?
Busan October crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Busan
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.