Jeju October weather
Jeju, South Korea · October
Warm sun, cool breeze
October often feels low-humidity and comfortable, making it one of the easiest months for oreum hikes and long coastal walking days.
After sunset, breeze can feel cooler, so a light outer layer helps for night plans.
October averages at a glance
Average low
around 16–18°C
Average high
around 22–25°C
Average rainfall
around 90–160 mm
Wet days
about 6–9 days
What to wear in October in Jeju
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Long sleeves/shirts with a light jacket works well.
- • Comfortable shoes matter for long walking days.
Travel tips for visiting Jeju in October
- • On clear days, do viewpoints early for best odds.
- • Manage sweat-to-chill transitions with layers on breezy routes.
October weather in Jeju — FAQ
Q. Can I wear short sleeves in October?
A. Sometimes at midday, but wind and evenings can feel cool. A thin outer layer helps.
Q. Is rain still possible?
A. Yes. Rain still happens and can change comfort on exposed coastal routes.
Explore Jeju
These pages are connected so you can compare conditions and decide for yourself.