SeasonScore
Seoul, South Korea
Photo: Malink_78 · CC BY 2.0

South Korea

Seoul in January

❄️ Snowy winter

Cold and mostly dry.

🎒 Pack: winter coat, gloves & hat

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

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Why January scores 7.4What goes into the score

How it works
🌡️ 2° / -5°C🌧️ 17 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 (~17 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°
Rain17 mm52 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: Seoul weather-station normals. Rainfall: Seoul 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 Seoul

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

    Average number of days with snowfall at Seoul.

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

  • 2026 forecast: autumn leaves (central Korea)2026 forecast
    Peak ~31 Oct–5 Nov 2026

    Forecast for the central region; first colour 10–27 Oct.

    Source: Weather i 2026 autumn foliage forecast (4 Sep 2026)

  • Cherry blossomTypical dates
    First blooms ~8 Apr, full bloom ~10 Apr

    Typical dates at the KMA Seoul observatory tree (normal). In 2026 the first blooms came on 29 Mar; Yeouido's Yunjung-ro usually flowers ~6 Apr. Recent years have been earlier than the normal.

    Source: Korea Meteorological Administration, 29 Mar 2026

Explore SeoulEvents, sights, food & souvenirs

Check event dates locally

South Korea's capital, mixing Joseon-era palaces and hanok neighbourhoods with K-pop, street food markets and late-night shopping districts.

Events in January

No major events on our calendar for January.

Coming up later

Cherry blossom seasonDate variesUsually early April

Cherry trees bloom across the city for about a week.

Why go: Popular spots are crowded on weekends.

Where: Yeouido, Seokchon Lake and parks

Lotus Lantern FestivalDate variesLunar calendar — the weeks before Buddha's Birthday, usually April or May

A large evening lantern parade and street events.

Why go: Free to watch; the parade route gets crowded.

Where: Jogyesa Temple and Jongno

ChuseokDate variesLunar calendar — usually September or early October

The harvest festival, when families gather for ancestral rites.

Why go: Many shops close and transport out of Seoul is busy; palaces may hold events.

Where: Nationwide

Plan this tripTickets, data and transfers for Seoul

Airport transfer Kiwitaxi

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