Month guide · Jeju · South Korea
Jeju in October
What October is really like in Jeju: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Korea.net / Korean Culture and Information Service, CC BY-SA 2.0
Quick answer
October is one of the best months to visit Jeju. Expect average highs of 22°C (72°F), lows of 15°C (59°F), about 7 rainy days and roughly 11.3 hours of daylight. Dry, clear and comfortable; silver grass (eulsae) turns the oreum hills silver and Hallasan's upper slopes change colour late in the month.
Key facts
- Average high / low
- 22°C (72°F) / 15°C (59°F)
- Rainy days
- About 7
- Daylight
- About 11.3 hours
- Sea temperature
- 23°C (73°F)
- Crowds
- Busy
- Hotel prices
- High
Weather in October
October is the 6th-warmest month in Jeju: days average 22°C (72°F) against a yearly average high of 19°C (66°F), and nights fall to about 15°C (59°F). Rain falls on roughly 7 of its 31 days. Compared with September (26°C (79°F)), October is cooler; by November highs drop to around 16°C (61°F).
- Sunrise (15 October)
- About 06:38
- Sunset (15 October)
- About 18:00
- Daylight
- About 11.3 hours
- Sea
- 23°C (73°F)
Autumn (September–November). Warm sea in September, clear skies and silver grass in October, and the tangerine harvest in November; typhoons are possible early on.
Crowds and prices
On a 1–5 scale, October rates 4 for crowds (the peak is July at 5) and 4 for hotel prices (highest in July). Book accommodation early: October is one of the pricier months.
Events in October
- Tamna Cultural Festival — Jeju folk performances (usually autumn)
- Silver grass season on Saebyeol Oreum and other oreum (October–November)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in October
Mild, settled days suit walking, viewpoints and time outdoors.
Nature · Hamdeok and Gujwa
Bijarim Forest
More than 2,800 nutmeg-yew (bija) trees, many several hundred years old, grow in this protected forest near Gujwa.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- Nature
- Outdoors
- Kids
- Off the beaten path
Experience · Seogwipo
Jeju Olle Trail Route 7
Pick up the Olle passport and stamp it at checkpoints, and start early in summer when the coastal sections have little shade.
- Time needed
- Half to full day
- Cost
- Free
- Free
- Outdoors
- Active
- Views
Nature · Gujwa
Manjanggul Lava Tube
Part of the UNESCO-listed Geomunoreum lava-tube system, Manjanggul runs for about 7.4 km underground, of which roughly 1 km is open to visitors.
- Time needed
- 1 hour
- Cost
- Low cost
- Nature
- Rainy day
- Kids
Nature · Seogwipo
Cheonjiyeon Waterfall
Visit after dark when the path is lit and tour groups have gone, then walk to the Saeseom bridge for harbour lights.
- Time needed
- 45 minutes
- Cost
- Low cost
- Nature
- After dark
- Couples
- Kids
The sea averages 23°C (73°F) — warm enough to swim. Best beaches near Jeju.
What to pack
For highs near 22°C, lows near 15°C and 7 wet days: light layers for the day and a light jacket for the evening; a packable rain jacket for showers; comfortable walking shoes.
Is October a good time to visit Jeju?
One of the best months to visit Jeju, with 2 notable events on the calendar. The other best months are April–May and November. Compare every month.
Jeju in other months
Questions travellers ask
+Is October a good time to visit Jeju?
It is one of the best months to visit Jeju. Dry, clear and comfortable; silver grass (eulsae) turns the oreum hills silver and Hallasan's upper slopes change colour late in the month.
+How warm is Jeju in October?
Average highs are around 22°C (72°F) and lows around 15°C (59°F).
+Does it rain a lot in Jeju in October?
Expect rain on about 7 days of the month.