Jeju weather in October 2025

Expect 21°C 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.

  • 21°C maximum daytime temperature in October in Jeju21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 7 days with some rainfall in October in Jeju7
    7 days with some rainfall
  • 13°C minimum night-time temperature in October in Jeju13
    13°C 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
  • 83 mm monthly rainfall in October in Jeju83
    83 mm of monthly rainfall
  • UV (maximum) index 6 (High) in October in Jeju6
    6 (High) UV index
  • 22°C sea temperature in October in Jeju22
    22°C sea temperature

More about Jeju

Jeju by month

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

Recommended for South Korea

Wendy Wu Tours: up to £1,000pp off last minute tours

  • Save up to £1,000 per person on last minute tours
  • Book late availability on Wendy Wu Tours worldwide
  • Check out tours departing in the coming months
Go to Wendy Wu Tours deal >>

View all Wendy Wu Tours 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 / mm)  |  Imperial (°F / inches)

Back to top

How hot is it in Jeju in October?

Daytime temperatures usually reach 21°C in Jeju in October, falling to 13°C 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 22°C.

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 83mm.

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 ^