Seoul weather in October 2025

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

  • 20°C maximum daytime temperature in October in Seoul20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in October in Seoul6
    6 days with some rainfall
  • 9°C minimum night-time temperature in October in Seoul9
    9°C min night temperature
  • 11 hours of daylight per day in October in Seoul11
    11 hours of daylight per day
  • No heat & humidity in October in Seoul0
    No heat & humidity
  • 49 mm monthly rainfall in October in Seoul49
    49 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Seoul4
    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.

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

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How hot is it in Seoul in October?

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

How sunny is it in Seoul in October?

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

Does it rain in Seoul in October?

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

Seoul October sunrise & sunset times

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

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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