Jeju City Weather in October

South Korea · October climate averages and travel tips

Avg high21°C (69°F)
Avg low18°C (65°F)
Rainfall86 mm (3.4 in)
RatingExcellent 9.4/10

In October, Jeju City has average highs of 21°C (69°F) and lows of 18°C (65°F). October is autumn (fall) in South Korea. The month is moderately rainy, with about 86 mm (3.4 in) of rain spread over 7 days. You get roughly 11.1 hours of daylight and a mix of sun and cloud.

Is October a good time to visit Jeju City?

Yes — October is one of the best months to visit Jeju City. The weather rates excellent (9.4/10) on our comfort score.

Visiting Jeju City in October

October weather

October feels mild and much less sticky than summer. Jeju City sees daytime highs around 21°C, with cooler evenings near 18°C. Rain falls on about seven days, but showers are usually easier to work around than September's heavier rain. You'll still get some cloudy skies, so keep a flexible plan for outdoor days.

It's a good month for walking around Jeju's old town, visiting Dongmun Market, or taking a coastal drive when the sky clears. For a beach day, the water and air may feel cool, especially later in the day. Long hikes can be pleasant, but don't count on clear views from Hallasan every time.

Events and crowds

The Tamna Cultural Festival is usually held in October, with performances and local culture around Jeju City. Dates and locations can change, so check the festival's schedule before you go. Hangul Day, a national holiday on October 9, can also mean more local visitors and busy transport.

Families who want time outdoors without summer heat may find October especially comfortable.

October is one of Jeju's best months, so it isn't a quiet low season. Still, summer's peak crowds have eased, and accommodation can be less pressured than in July and August. Festival weekends and public holidays are exceptions; expect busier streets and fewer good room choices then.

A local tip

Take the bus to Jeju Olle Trail Route 17, which runs along the coast near the city. October's mild weather suits a shoreline walk, and you can stop at Iho Tewoo Beach for its two horse-shaped lighthouses. Check the route's current bus connections before setting out, since the trail continues beyond the main city area.

Back in town, Dongmun Market is a handy place to try gogi-guksu, a local pork noodle soup. It's a cosy choice after a breezy walk.

October weather at a glance

Average high21°C (69°F)
Average low18°C (65°F)
Daily mean20°C (67°F)
Rainfall86 mm (3.4 in)
Rainy days (1 mm+)7
Humidity74%
Cloud cover59%
Daylight11.1 hours
Est. sunshine5 hours/day
Wind19.1 km/h
vs September4°C cooler than September, with 102 mm less rain.

What to pack for Jeju City in October

Jeju City weather in other months

Jan9°C / 6°C49 mmFairFeb9°C / 7°C68 mmFairMar12°C / 9°C99 mmFairApr15°C / 12°C129 mmFairMay18°C / 15°C129 mmGoodJun22°C / 20°C188 mmFairJul26°C / 24°C246 mmPoorAug28°C / 26°C223 mmPoorSep25°C / 23°C188 mmFairOct21°C / 18°C86 mmExcellentNov16°C / 13°C81 mmExcellentDec11°C / 8°C52 mmFair

← SeptemberBest time to visit Jeju CityNovember →

Nearby in October

Where else is good in October? See where to go in October.