SeasonScore
Incheon, South Korea
Photo: G43 · CC BY-SA 3.0

South Korea

Incheon in October

🍂 Autumn

Pleasant and some showers. Watch for tropical cyclone risk.

Best months: Oct (8.9), May (8.8), Jun (8.5)

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Why October scores 8.9What goes into the score

How it works
🌡️ 20° / 11°C🌧️ 51 mm💧 dew pt 10°🍃 PM2.5 19
  • Weather comfort9.4
    • ✓Comfortable temperatures (20°C highs / 11°C lows)
    • ✓Comfortable humidity (dew point 9.5°C)
    • ✓Mostly dry (~51 mm rain)
  • Air quality7.8
    • ✓Moderate (PM2.5 ~19 µg/m³)
  • Seasonal hazards8.5
    • !Tropical cyclone: Peak of the Western Pacific typhoon season
  • Safety baseline9.0
    • ·Normal precautions
Compare monthsPut October side by side with another month
OctMay
Score8.9 Excellent8.8 Excellent
Season🍂 Autumn🌷 Spring
High / low20° / 11°22° / 13°
Rain51 mm96 mm
Humiditydew pt 10°dew pt 11°
PM2.519 µg/m³29 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Incheon weather-station normals. Rainfall: Incheon weather-station normals (national met service).

Holidays & crowdsOctober 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • National Foundation Day 2–4 Oct · 3 days off in a row
  • Hangul Day 9–11 Oct · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Incheon

  • Cherry blossomTypical dates
    First blooms ~12 Apr, full bloom about a week later

    Typical first-bloom date at the Incheon weather-station tree (KMA 1991–2020 normal). In 2025 the first blooms came on 11 Apr; recent years have mostly been earlier than the normal. Weather i and KMA publish the next year's outlook in late February.

    Source: Weather i 2026 cherry blossom outlook (KMA normals and 2025 dates)

  • Snowy daysTypical dates
    Snow likely Nov–Mar (most in Jan: ~7 days)

    Average number of days with snowfall at Incheon.

    Source: Incheon weather-station normals (national weather service, via Wikipedia climate table)

Explore IncheonEvents, sights, food & souvenirs

Check event dates locally

A port city west of Seoul, home to South Korea's main international airport, a historic Chinatown, the modern Songdo district and nearby islands.

Events in October
ChuseokDate variesLunar calendar - usually September or early October

The harvest festival, when families gather and visit ancestral graves.

Why go: Expect heavy traffic and airport crowds; some shops close.

Where: Nationwide

Coming up later

Seollal (Lunar New Year)Date variesLunar calendar - late January to mid-February, date moves each year

A major family holiday when many Koreans travel home.

Why go: Incheon Airport is extremely busy over the holiday.

Where: Nationwide

Incheon Pentaport Rock FestivalDate variesUsually early August

One of Korea's largest rock and alternative music festivals.

Why go: Hot and humid; bring rain gear and sun protection.

Where: Songdo Moonlight Festival Park

Plan this tripTickets, data and transfers for Incheon

Airport transfer Kiwitaxi

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