Jeju weather in October 2025

Expect 70°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Jeju in October. Check more long-term weather averages for Jeju in October before you book your next holiday to South Korea in 2025/2026.

  • 70°F maximum daytime temperature in October in Jeju70
    70°F max day temperature
  • 6 hours of sunshine per day
  • 7 days with some rainfall in October in Jeju7
    7 days with some rainfall
  • 55°F minimum night-time temperature in October in Jeju55
    55°F min night temperature
  • 11 hours of daylight per day in October in Jeju11
    11 hours of daylight per day
  • No heat & humidity in October in Jeju0
    No heat & humidity
  • 3.3 inches monthly rainfall in October in Jeju3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 6 (High) in October in Jeju6
    6 (High) UV index
  • 72°F sea temperature in October in Jeju72
    72°F sea temperature

More about Jeju

Jeju by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Korea

Travel Up: up to £15 off flight & hotel bookings

  • Save up to £20 on flights & hotels with Travel Up
  • Offer only valid on bookings of £300 or more
  • Use discount code at check out for offer to apply
Show discount codeShow discount code ******Y15
Redeem Travel Up discount code >>

Expires at 23:59 on Saturday 30th Nov 2024 · View all Travel Up offers

The October weather guide for South Korea (Jeju) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

How hot is it in Jeju in October?

Daytime temperatures usually reach 70°F in Jeju in October, falling to 55°F at night.

How sunny is it in Jeju in October?

There are normally 6 hours of bright sunshine each day in Jeju in October - that's 56% of daylight hours.

How warm is the sea around Jeju in October?

The average sea temperature around Jeju in October is 72°F.

Does it rain in Jeju in October?

There are usually 7 days with some rain in Jeju in October and the average monthly rainfall is 3.3 inches.

Jeju October sunrise & sunset times

Browse the sunrise and sunset times for Jeju in October 2025. Select a month to view Jeju sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:28 18:19
Thursday, 16th October 2025 06:39 17:59
Friday, 31st October 2025 06:52 17:43

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^