Busan weather in October
October in Busan: nice, a little rain — one of the best months to visit.
#1 of 12 months in Busan · #77 of 604 destinations to visit in October · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Busan climate normals — October
| Daytime high | 20°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 49 mm / 1.9 in | 🌦 some rain |
| Rainy days | 5 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 10°C / 51°F | |
| Sunshine | 8.6 h/day | |
| Daylight | 11.3 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 53 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Busan?
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Busan in October — FAQ
- Is October a good time to visit Busan?
- October in Busan: nice, a little rain — one of the best months to visit. It ranks #1 of 12 months for Busan on SeasonMap's comfort score (88/100).
- What is the weather like in Busan in October?
- In October, Busan averages a daily high of 20.3°C and a low of 15°C, with about 49 mm of rain over roughly 4.6 rainy days.
- What is the air quality in Busan in October?
- Busan has a mean US Air Quality Index of about 53 in October.