Weather in South Korea for October 2025
In general, the average temperature in South Korea 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 South Korea in October is notably wet, with an average of 13 rainy days, and a total of 63.8 mm of precipitation.
Temperatures
Rain 🌧️
South Korea 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 South Korea
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 South Korea in October
October in South Korea is a month of transition, as the country moves from the warm embrace of autumn into the cooler climes of early winter. At the beginning of October, cities like Seoul and Busan experience mild and pleasant weather, with temperatures ranging from 15° to 22°.
The skies are often clear, making it an ideal time for outdoor activities and exploring the vibrant autumn foliage that paints the landscapes in hues of red, orange, and yellow.
As October progresses, the temperatures begin to drop, especially towards the end of the month. In Seoul, the mercury can dip to around 7° to 15°, while in the southern regions like Jeju Island, it remains slightly warmer, ranging from 13° to 20°.
The evenings can be quite chilly, so packing layers is advisable for those planning to visit during this time.
Rainfall is relatively low in October, making it a favorable month for travel. However, occasional showers can occur, particularly in the early part of the month.
Overall, October offers a comfortable climate for exploring South Korea's cultural sites and natural beauty, with the added bonus of witnessing the stunning autumn scenery that the country is renowned for.
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South Korea in October - FAQ
October rainfall patterns in South Korea
UV exposure in South Korea during October
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