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Seoul weather in October 2025
Expect daytime maximum temperatures of 20°C in Seoul, South Korea in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 49 mm of rainfall in the month.
- 20°C max day temperature
20 - 7 hours of sunshine per day
- 6 days with some rainfall
6 - 9°C min night temperature
9 - 11 hours of daylight per day
11 - No heat & humidity
0 - 49 mm of monthly rainfall
49 - 4 (Moderate) UV index
4
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Recommended for South Korea
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)
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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