Busan Weather in October: What to Expect
In October, Busan averages highs of 20.6°C and lows of 12.6°C, with about 6 rainy days (~88 mm). Verdict: Ideal — go now — pleasant 20.6°C days and only ~6 rainy days. That makes it the hottest of South Korea's 6 main cities this month.
October in Busan offers delightfully mild weather, a welcome respite for those used to warmer climates, as daytime highs around 20°C feel comfortably pleasant, making it the warmest major city in South Korea this month. Evenings cool to about 12°C, so a light jacket is advisable. With only about six rainy days, clear skies are common, ideal for exploring coastal sights or the Gaya Tumuli, with late mornings to early afternoons being the best time to be outdoors. Pack layers to adjust to temperature shifts.
Busan vs other South Korea cities in October
South Korea is not one climate. In October, Busan runs to 20.6°C while Sokcho sits at 18.3°C — a 2°C spread. Here is where Busan falls:
What to pack for Busan in October
With highs near 20.6°C and lows around 12.6°C, pack layers — a light jacket for mornings and evenings.
Busan is on the coast — add swimwear; the water can feel cool for swimming this month.
What to do in Busan in October
October's weather suits sightseeing through the day. Top sights:
Public holidays in South Korea, October
- 2026-10-05 — National Foundation Day
- 2026-10-09 — Hangul Day
- 2027-10-04 — National Foundation Day
- 2027-10-11 — Hangul Day
Busan in October — FAQs
What is the weather like in Busan in October?
In October, Busan averages daytime highs of 20.6°C and overnight lows around 12.6°C, with roughly 6 rainy days and about 88 mm of rain across the month. Ideal — go now — pleasant 20.6°C days and only ~6 rainy days.
Is October a good time to visit Busan?
Ideal — go now. October is comfortable enough for full-day sightseeing in Busan. Among South Korea's cities, Busan is the hottest this month.
What should I pack for Busan in October?
For October (12.6–20.6°C), pack layers — a light jacket for mornings and evenings.
What is there to do in Busan in October?
Busan's main sights include Busan, Gaya Tumuli, Busan Al-Fatah Mosque. The weather suits visiting these comfortably through the day.
Are there public holidays in South Korea in October?
Yes — National Foundation Day (2026-10-05), Hangul Day (2026-10-09), National Foundation Day (2027-10-04), Hangul Day (2027-10-11). Sites can be busier or closed around these dates.
Busan weather by month: