Seoul Weather in January
Typical weather, rainfall, and packing tips for Seoul in January
Korea · January
Seoul Weather in January
January weather in Seoul averages 2°C with 8 rain days and 60% humidity. Very cold, short days.
Typical Weather in Seoul in January
Based on 30-year historical averages.
Temperature
Conditions
What to Expect in January
- 1Daytime highs around 5°C, dropping to -2°C at night.
- 2Expect 8 rain days — rain is occasional.
- 3Humidity sits at 60% — comfortable.
- 44 hours of sunshine per day on average.
- 5UV index of 1 — moderate sun protection recommended.
What to Pack for Seoul in January
Best Activities for January Weather
Outdoor sightseeing
Plan outdoor activities for mornings when temperatures are most comfortable.
Indoor attractions
Mix indoor and outdoor experiences for a balanced itinerary.
Food and culture
Winter seasonal dishes and local festivals make January culturally rich.
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Frequently Asked Questions
How we work this out
Temperature and rainfall figures are 30-year meteorological averages. Crowd levels come from national tourism arrival data. Price bands reflect mid-range accommodation and economy flights from major long-haul cities, sampled quarterly.
Last updated 18 July 2026 · Written by the Holicay travel team