Weather in Seoul for October 2025
In general, the average temperature in Seoul at the beginning of October is 21.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 19.4 °C by the end of October.
The climate of Seoul in October is notably wet, with an average of 13 rainy days, and a total of 63.8 mm of precipitation.
Temperatures
Rain 🌧️
Seoul in October average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  22° | 3 23° | 4  23° | 5  21° | ||
| 6 20° | 7  20° | 8  22° | 9  21° | 10 21° | 11 21° | 12 22° |
| 13 23° | 14 21° | 15 21° | 16 21° | 17 17° | 18 17° | 19 18° |
| 20 17° | 21 17° | 22 17° | 23 18° | 24 17° | 25 19° | 26 20° |
| 27 19° | 28 19° | 29 20° | 30 19° | 31 20° |
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Temperatures trend during October in Seoul
October weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Sunny | 24° /15° | 0.5 mm | 6 | |
| 2 Oct. | Overcast | 22° /15° | 3.1 mm | 5 | |
| 3 Oct. | Overcast | 23° /15° | 14.1 mm | 6 | |
| 4 Oct. | Moderate rain at times | 23° /14° | 13.7 mm | 6 | |
| 5 Oct. | Cloudy | 21° /15° | 0.7 mm | 5 | |
| 6 Oct. | Moderate rain at times | 20° /14° | 1.8 mm | 5 | |
| 7 Oct. | Heavy rain at times | 20° /14° | 1.4 mm | 5 | |
| 8 Oct. | Partly cloudy | 22° /14° | 2.6 mm | 6 | |
| 9 Oct. | Patchy rain possible | 21° /15° | 4.6 mm | 5 | |
| 10 Oct. | Moderate rain at times | 21° /13° | 1.9 mm | 5 | |
| 11 Oct. | Sunny | 21° /12° | 1.3 mm | 5 | |
| 12 Oct. | Sunny | 22° /13° | 0.1 mm | 6 | |
| 13 Oct. | Overcast | 23° /13° | 0 mm | 5 | |
| 14 Oct. | Sunny | 21° /15° | 1.2 mm | 5 | |
| 15 Oct. | Patchy rain possible | 21° /15° | 0.9 mm | 5 | |
| 16 Oct. | Sunny | 21° /11° | 0.2 mm | 5 | |
| 17 Oct. | Sunny | 17° /9° | 0 mm | 5 | |
| 18 Oct. | Overcast | 17° /9° | 8.4 mm | 4 | |
| 19 Oct. | Patchy rain possible | 18° /10° | 3.7 mm | 4 | |
| 20 Oct. | Sunny | 17° /7° | 0 mm | 5 | |
| 21 Oct. | Partly cloudy | 17° /7° | 0 mm | 5 | |
| 22 Oct. | Patchy rain possible | 17° /9° | 2.4 mm | 4 | |
| 23 Oct. | Patchy rain possible | 18° /9° | 0.2 mm | 5 | |
| 24 Oct. | Sunny | 17° /8° | 0.1 mm | 5 | |
| 25 Oct. | Sunny | 19° /9° | 0 mm | 6 | |
| 26 Oct. | Overcast | 20° /10° | 0.7 mm | 5 | |
| 27 Oct. | Overcast | 19° /10° | 0 mm | 4 | |
| 28 Oct. | Sunny | 19° /10° | 0 mm | 5 | |
| 29 Oct. | Sunny | 20° /11° | 0 mm | 5 | |
| 30 Oct. | Partly cloudy | 19° /11° | 0 mm | 5 | |
| 31 Oct. | Partly cloudy | 20° /11° | 0.4 mm | 6 | |
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Guide for Seoul in October
October in Seoul, South Korea, is a delightful time to visit, as the city experiences autumn in full swing. At the beginning of the month, the weather is generally mild and pleasant. Daytime temperatures typically range from 15° to 22°, making it comfortable for outdoor activities and sightseeing.
The skies are often clear, and the humidity is relatively low, providing crisp and refreshing air. Early October also sees the beautiful transformation of foliage, with trees starting to display vibrant shades of red, orange, and yellow.
As the month progresses towards the end of October, the temperatures begin to drop, especially in the evenings. Daytime highs usually range from 10° to 18°, while nighttime temperatures can dip to around 5° to 10°.
The cooler weather is perfect for enjoying seasonal activities such as hiking in the nearby mountains or exploring the city's numerous parks and gardens, which are adorned with stunning autumn colors.
Rainfall in October is relatively low compared to the summer months, but occasional light showers can occur. Overall, October offers a fantastic blend of comfortable temperatures and picturesque scenery, making it an ideal time to experience the cultural and natural beauty of Seoul.
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Seoul in October - FAQ
October rainfall patterns in Seoul
UV exposure in Seoul during October
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