October weather forecast
Seoul, South Korea

October is famous for offering the best of Seoul’s autumn weather, with mild temperatures and low rainfall. The city boasts vibrant and colorful foliage, offering beautiful panoramas, especially the panoramic view from Namsan Tower. Sunglasses become staples in accessories due to the longer sunshine hours compared to September. As the winter chill starts seeping in by November, October turns the foliage into a mosaic of colors.

Temperature

The shift from September to October in Seoul corresponds with a decrease in the average high-temperature, down to a comfortable 19.8°C from a warm 25.8°C. Nighttime temperature experiences an average drop to a cool 10.3°C in October.

Humidity

In October, the average relative humidity in Seoul, South Korea, is 64%.

Rainfall

In October, the rain falls for 6.3 days. Throughout October, 52mm of precipitation is accumulated. In Seoul, during the entire year, the rain falls for 108.8 days and collects up to 1451mm of precipitation.

Daylight

In Seoul, South Korea, the average length of the day in October is 11h and 14min.
On the first day of October in Seoul, sunrise is at 06:27 and sunset at 18:16. On the last day of the month, sunrise is at 06:55 and sunset at 17:36 KST.

Sunshine

In Seoul, the average sunshine in October is 6.4h.

UV index

In October, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 4 during October morphs into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.