Seoul weather in August 2025

Expect 29°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Seoul in August. Check more long-term weather averages for Seoul in August before you book your next holiday to South Korea in 2025/2026.

  • 29°C maximum daytime temperature in August in Seoul29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in August in Seoul13
    13 days with some rainfall
  • 22°C minimum night-time temperature in August in Seoul22
    22°C min night temperature
  • 14 hours of daylight per day in August in Seoul14
    14 hours of daylight per day
  • High heat & humidity in August in SeoulH
    High heat & humidity
  • 288 mm monthly rainfall in August in Seoul288
    288 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Seoul9
    9 (Very High) UV index

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The August 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 August?

Daytime temperatures usually reach 29°C in Seoul in August with high heat and humidity, falling to 22°C at night.

How sunny is it in Seoul in August?

There are normally 6 hours of bright sunshine each day in Seoul in August - that's 45% of daylight hours.

Does it rain in Seoul in August?

There are usually 13 days with some rain in Seoul in August and the average monthly rainfall is 288mm.

What is the chance of a typhoon in Seoul in August?

On average 1.2 days in August in Seoul are likely to be affected by the passage of one or more tropical storms.

Seoul August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:36 19:41
Saturday, 16th August 2025 05:49 19:24
Sunday, 31st August 2025 06:01 19:03

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