Incheon Weather in October: What to Expect
In October, Incheon averages highs of 18.6°C and lows of 10.3°C, with about 6 rainy days (~65 mm). Verdict: Good — comfortable — manageable 18.6°C days. That makes it the 5th hottest of South Korea's 6 main cities this month.
Incheon 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 Incheon falls:
What to pack for Incheon in October
With highs near 18.6°C and lows around 10.3°C, pack layers — a light jacket for mornings and evenings.
Incheon is on the coast — add swimwear; the water can feel cool for swimming this month.
What to do in Incheon 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
Incheon in October — FAQs
What is the weather like in Incheon in October?
In October, Incheon averages daytime highs of 18.6°C and overnight lows around 10.3°C, with roughly 6 rainy days and about 65 mm of rain across the month. Good — comfortable — manageable 18.6°C days.
Is October a good time to visit Incheon?
Good — comfortable. October is comfortable enough for full-day sightseeing in Incheon. Among South Korea's cities, Incheon is the 5th hottest this month.
What should I pack for Incheon in October?
For October (10.3–18.6°C), pack layers — a light jacket for mornings and evenings.
What is there to do in Incheon in October?
Incheon's main sights include Taeanhaean National Park, Gwangmyeong Cave. 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.
Incheon weather by month: