Seoul weather in October
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Compare nearby months and plan your packing
Seoul October weather at a glance
In October, Seoul averages 15°C, with typical highs of 19.5°C and lows of 11.2°C. The historical average is 10 wet days and 79% humidity.
Seoul October temperature & humidity
Seoul October rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Seoul in October
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 19.5°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 11.2°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Seoul October: Layers for daytime walks and evenings
For a palace or neighbourhood walk that continues into the evening, pack a daytime top and a separate outer layer. Check the October lows below before reusing a September packing list. If your trip continues into November, compare that month too.
| Month | Avg high | Avg low | Wet days |
|---|---|---|---|
| Sep | 26.9°C | 19.7°C | 13 days |
| Oct | 19.5°C | 11.2°C | 10 days |
| Nov | 12.4°C | 3.2°C | 4 days |
Packing for this itinerary
Start with a jacket that fits in your bag, long sleeves and comfortable walking shoes. Monthly averages cannot identify rainy dates or peak autumn foliage. Reorder outdoor stops using the forecast shortly before departure.
How much can two years tell us?
For Seoul in October, the dataset records 2024: 5 wet days, 2025: 14 wet days. The rounded two-year mean is 10 wet days; it does not predict which days of your trip will be wet. Highs and lows are averages of daily values, not temperature limits. Use these figures to choose layers and backup plans, then check a current forecast.
Packing and itinerary suggestions are this site’s interpretation of the historical data. Data method and limitations · Visit Seoul weather information
Seoul October sunrise & sunset times
2026 October · Local time (Asia/Seoul)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-10-01 | 06:27 | 18:16 | 11h 49m |
| 2026-10-15 | 06:40 | 17:56 | 11h 16m |
| 2026-10-31 | 06:56 | 17:35 | 10h 40m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Seoul
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
October weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Seoul weather like in October?
In October, Seoul averages 15°C, with typical highs of 19.5°C and lows of 11.2°C. The historical average is 10 wet days and 79% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Seoul in October?
There are about 10 wet days in October. A compact umbrella is still useful.
What should I wear in Seoul in October?
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Seoul?
Recent weather data rates April, May, October, November among the more comfortable months.
Where can I check Seoul weather in October in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Seoul in October?
On 2026-10-15, calculated sunrise is 06:40 and sunset is 17:56 in local time (Asia/Seoul). Times vary by date and terrain.
Seoul weather by month
More South Korea destinations in October
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations