Weather in Seoul for October 2025
In general, the average temperature in Seoul at the beginning of October is 21 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 20.4 °C by the end of October.
With an average of 5 rainy days, Seoul experiences minimal rainfall in October, ensuring that most days remain pleasantly dry.
Is October a good time to visit Seoul? check out the best time to travel to Seoul page.
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Seoul in October average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  20° | 3  22° | 4  22° | 5 20° | ||
| 6 20° | 7  21° | 8 23° | 9  21° | 10 23° | 11 23° | 12 24° |
| 13 23° | 14 20° | 15 21° | 16 22° | 17 22° | 18 20° | 19 20° |
| 20 16° | 21 17° | 22 16° | 23 18° | 24 18° | 25 21° | 26  22° |
| 27 20° | 28 19° | 29 20° | 30 20° | 31 21° |
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Temperatures trend during October in Seoul
October weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Sunny | 22° /15° | 1 mm | 6 | |
| 2 Oct. | Overcast | 20° /13° | 0 mm | 5 | |
| 3 Oct. | Cloudy | 22° /14° | 0 mm | 6 | |
| 4 Oct. | Light drizzle | 22° /13° | 1.3 mm | 6 | |
| 5 Oct. | Cloudy | 20° /13° | 0 mm | 5 | |
| 6 Oct. | Overcast | 20° /13° | 0 mm | 5 | |
| 7 Oct. | Partly cloudy | 21° /14° | 0 mm | 6 | |
| 8 Oct. | Partly cloudy | 23° /15° | 0.1 mm | 6 | |
| 9 Oct. | Patchy rain possible | 21° /15° | 0.5 mm | 5 | |
| 10 Oct. | Sunny | 23° /15° | 0.2 mm | 6 | |
| 11 Oct. | Cloudy | 23° /14° | 0 mm | 6 | |
| 12 Oct. | Partly cloudy | 24° /15° | 0 mm | 6 | |
| 13 Oct. | Overcast | 23° /15° | 0 mm | 5 | |
| 14 Oct. | Light rain shower | 20° /16° | 2.4 mm | 5 | |
| 15 Oct. | Partly cloudy | 21° /15° | 0.3 mm | 6 | |
| 16 Oct. | Sunny | 22° /13° | 0 mm | 6 | |
| 17 Oct. | Sunny | 22° /13° | 0 mm | 5 | |
| 18 Oct. | Partly cloudy | 20° /14° | 16.3 mm | 5 | |
| 19 Oct. | Light rain shower | 20° /14° | 3.9 mm | 5 | |
| 20 Oct. | Sunny | 16° /9° | 0 mm | 5 | |
| 21 Oct. | Patchy rain possible | 17° /9° | 0 mm | 5 | |
| 22 Oct. | Patchy rain possible | 16° /11° | 4.7 mm | 4 | |
| 23 Oct. | Partly cloudy | 18° /11° | 0.3 mm | 5 | |
| 24 Oct. | Patchy rain possible | 18° /10° | 0.1 mm | 5 | |
| 25 Oct. | Partly cloudy | 21° /12° | 0.1 mm | 6 | |
| 26 Oct. | Thundery outbreaks possible | 22° /13° | 1.4 mm | 5 | |
| 27 Oct. | Patchy rain possible | 20° /13° | 0 mm | 5 | |
| 28 Oct. | Sunny | 19° /12° | 0 mm | 5 | |
| 29 Oct. | Sunny | 20° /12° | 0 mm | 6 | |
| 30 Oct. | Partly cloudy | 20° /13° | 0 mm | 6 | |
| 31 Oct. | Sunny | 21° /13° | 0 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.
Seoul in October - FAQ
What to pack to Seoul in October?
As you prepare for your trip to Seoul in October, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Seoul, during October, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
Quick links
Where is Seoul?Get accurate weather forecasts for Seoul, located at latitude 37.566 and longitude 126.978. Stay updated with localized weather information tailored for Seoul.