Jeju January weather
Jeju, South Korea · January
Wet air + wind can feel much colder
January in Jeju can look mild on paper, but strong wind can drop perceived comfort quickly—especially on exposed coastal routes and sunrise spots.
Rain is common, and wet air plus wind can feel noticeably colder. Higher areas (Hallasan) can add snow/ice variables.
January averages at a glance
Average low
around 2–5°C
Average high
around 8–11°C
Average rainfall
around 45–90 mm
Wet days
about 9–12 days
What to wear in January in Jeju
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Wind-resistant coat/puffer with warm layers is common.
- • Scarf and gloves help for wind exposure.
- • Waterproofing helps on rainy days.
Travel tips for visiting Jeju in January
- • For viewpoints, go when visibility opens—conditions can change fast.
- • If you plan Hallasan, dress one step warmer and watch for snow/ice advisories.
January weather in Jeju — FAQ
Q. Does it snow in January?
A. Town snow accumulation is uncommon, but Hallasan/high areas can see snow. It varies by conditions.
Q. Is it always windy?
A. Not always, but wind is frequent enough that it’s safest to treat it as a core variable.
Explore Jeju
These pages are connected so you can compare conditions and decide for yourself.