South Korea weather in October 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in South Korea in October. Check more long-term weather averages for South Korea in October before you book your next holiday to South Korea in 2025/2026.

  • 20°C maximum daytime temperature in October in South Korea (Seoul)20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in October in South Korea (Seoul)6
    6 days with some rainfall
  • 9°C minimum night-time temperature in October in South Korea (Seoul)9
    9°C min night temperature
  • 11 hours of daylight per day in October in South Korea (Seoul)11
    11 hours of daylight per day
  • No heat & humidity in October in South Korea (Seoul)0
    No heat & humidity
  • 49 mm monthly rainfall in October in South Korea (Seoul)49
    49 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in South Korea (Seoul)4
    4 (Moderate) UV index

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The October weather guide for South Korea (Seoul) 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.

Top South Korea destinations

Below are average maximum temperatures at popular countries, regions and places in South Korea in October. Select a holiday destination to see more weather parameters.

All South Korea destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in South Korea in October?

Daytime temperatures usually reach 20°C in Seoul, South Korea in October, falling to 9°C at night.

How sunny is it in South Korea in October?

There are normally 7 hours of bright sunshine each day in Seoul, South Korea in October - that's 60% of daylight hours.

Does it rain in South Korea in October?

There are usually 6 days with some rain in Seoul, South Korea in October and the average monthly rainfall is 49mm.

South Korea October sunrise & sunset times

Browse the sunrise and sunset times for South Korea in October 2025. Select a month to view South Korea sunrise and sunset times for the next 12 months. The South Korea sunrise and sunset times shown below are for Seoul.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:27 18:16
Thursday, 16th October 2025 06:41 17:54
Friday, 31st October 2025 06:56 17:35

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