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

South Korea

Incheon in January

❄️ Snowy winter

Cold and mostly dry.

🎒 Pack: winter coat, gloves & hat

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

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Why January scores 7.4What goes into the score

How it works
🌡️ 2° / -5°C🌧️ 16 mm💧 dew pt -7°🍃 PM2.5 30
  • Weather comfort6.5
    • !Cold (2°C highs / -5°C lows)
    • ✓Comfortable humidity (dew point -6.6°C)
    • ✓Mostly dry (~16 mm rain)
  • Air quality6.3
    • !Elevated (PM2.5 ~30 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline9.0
    • ·Normal precautions
Compare monthsPut January side by side with another month
JanOct
Score7.4 Good8.9 Excellent
Season❄️ Snowy winter🍂 Autumn
High / low2° / -5°20° / 11°
Rain16 mm51 mm
Humiditydew pt -7°dew pt 10°
PM2.530 µg/m³19 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 & crowdsJanuary 2027

Long weekend

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

  • New Year 1–3 Jan · 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

  • Snowy daysIn JanuaryTypical 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)

  • 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)

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 January
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

Coming up later

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

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

Plan this tripTickets, data and transfers for Incheon

Airport transfer Kiwitaxi

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