Seoul
October
Weather in Seoul for October 2026
Your guide to Seoul weather in October - trends and predictions
So far, October 2026 in Seoul is slightly warmer than the historical average by 0.9 °C.
The forecast for the next days in Seoul predicts a temperature of 16 °C, which is cooler than the historical average.
In general, the average temperature in Seoul at the beginning of October is 21.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.3 °C by the end of October.
Seoul experiences moderate rainfall in October, with an average of 7 rainy days and a total precipitation of 75.3 mm.
Is October a good time to visit Seoul? check out the best time to travel to Seoul page.
Temperatures
Rain 🌧️
More
24
Dry days
7
Rainy days
0
Snow days
20°/12°
Temperatures
13 km/h
Avg max wind
55 %
Avg humidity
Seoul Weather October
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Temperatures trend during October in Seoul
See the weather trend as well as the moving average line
October weather in Seoul day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Sunny | 24° /16° | 0.3 mm | 6 | |
| 2 Oct. |  Patchy rain possible | 22° /16° | 2.4 mm | 5 | |
| 3 Oct. |  Light rain | 23° /15° | 9.5 mm | 5 | |
| 4 Oct. |  Moderate rain at times | 23° /16° | 9.8 mm | 5 | |
| 5 Oct. | Patchy rain possible | 21° /16° | 0.7 mm | 5 | |
| 6 Oct. | Patchy rain possible | 20° /14° | 1.7 mm | 5 | |
| 7 Oct. | Light rain | 20° /14° | 3 mm | 5 | |
| 8 Oct. | Patchy rain possible | 23° /14° | 1.7 mm | 5.5 | |
| 9 Oct. | Light rain | 21° /15° | 3.1 mm | 5 | |
| 10 Oct. | Patchy rain possible | 21° /14° | 1.9 mm | 5 | |
| 11 Oct. | Patchy rain possible | 22° /14° | 1.8 mm | 5 | |
| 12 Oct. | Sunny | 22° /15° | 0.5 mm | 5 | |
| 13 Oct. | Light rain | 22° /14° | 5.6 mm | 5 | |
| 14 Oct. |  Cloudy | 20° /14° | 0.9 mm | 5 | |
| 15 Oct. | Light rain | 21° /15° | 3.8 mm | 4.9 | |
| 16 Oct. | Patchy rain possible | 21° /13° | 2.4 mm | 4 | |
| 17 Oct. | Light rain | 19° /11° | 3.7 mm | 4 | |
| 18 Oct. |  Moderate rain | 18° /11° | 16.6 mm | 4 | |
| 19 Oct. | Light rain | 18° /11° | 2.5 mm | 4 | |
| 20 Oct. | Sunny | 17° /8° | 0.1 mm | 4 | |
| 21 Oct. |  Partly cloudy | 16° /8° | 0.1 mm | 4 | |
| 22 Oct. | Patchy rain possible | 16° /9° | 1.6 mm | 4 | |
| 23 Oct. | Patchy rain possible | 18° /10° | 0.1 mm | 4 | |
| 24 Oct. | Sunny | 17° /10° | 0.4 mm | 4 | |
| 25 Oct. | Sunny | 19° /11° | 0 mm | 4.1 | |
| 26 Oct. |  Overcast | 19° /11° | 0.9 mm | 4 | |
| 27 Oct. | Overcast | 17° /9° | 0 mm | 4 | |
| 28 Oct. | Sunny | 17° /8° | 0 mm | 3.9 | |
| 29 Oct. | Sunny | 18° /11° | 0 mm | 3.9 | |
| 30 Oct. | Sunny | 18° /9° | 0.3 mm | 3.1 | |
| 31 Oct. | Sunny | 14° /8° | 0 mm | 3.2 | |
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Important Notice
Our weather forecast for Seoul in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Seoul forecast closer to your planned date for the most up-to-date weather information.
Change Month
Seoul in October - FAQ
What are the expected maximum and minimum temperatures in Seoul during October?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Seoul during October?
Moderate rainfall is anticipated in Seoul during October, with a total of 75.3 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Seoul during October?
The average wind speed in Seoul during October is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Seoul
Explore the daily rainfall trends and prepare for Seouls October weather 💧
Typically, Seoul has 7 rainy days in October with a total of 75.3 mm of rainfall.
UV exposure in Seoul during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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