Jeju weather in October
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Jeju October weather at a glance
In October, Jeju averages 20.6°C, with typical highs of 22.7°C and lows of 18.7°C. The historical average is 20 wet days and 80% humidity.
Jeju October temperature & humidity
Jeju October rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Jeju in October
T-shirts or long sleeves with one light outer layer should be comfortable. Rain is frequent at roughly 20 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeLong sleeves and a light jacket · average high 22.7°C
- Morning & eveningLight layer for air-conditioned rooms · average low 18.7°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Jeju October sunrise & sunset times
2026 October · Local time (Asia/Seoul)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-10-01 | 06:28 | 18:19 | 11h 51m |
| 2026-10-15 | 06:38 | 18:01 | 11h 23m |
| 2026-10-31 | 06:51 | 17:43 | 10h 52m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Jeju
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
October weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Jeju weather like in October?
In October, Jeju averages 20.6°C, with typical highs of 22.7°C and lows of 18.7°C. The historical average is 20 wet days and 80% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Jeju in October?
There are about 20 wet days in October. Pack a rain jacket and water-resistant shoes.
What should I wear in Jeju in October?
T-shirts or long sleeves with one light outer layer should be comfortable. Rain is frequent at roughly 20 days in the month; pack a rain jacket and water-resistant shoes.
What are the best months to visit Jeju?
Recent weather data rates May among the more comfortable months.
Where can I check Jeju weather in October in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Jeju in October?
On 2026-10-15, calculated sunrise is 06:38 and sunset is 18:01 in local time (Asia/Seoul). Times vary by date and terrain.
Jeju weather by month
More South Korea destinations in October
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations