October weather forecast and climate
Seoul, South Korea

The colorful lit cityscape of Seoul city, South Korea, with the perfect view of the Dongdaemun Gate
The colorful lit cityscape of Seoul city, South Korea, with the perfect view of the Dongdaemun Gate
October, like September, in Seoul, South Korea, is another comfortable autumn month, with average temperature varying between 19.8°C (67.6°F) and 10.3°C (50.5°F).

Temperature

In Seoul, the average high-temperature decreases, from a moderately hot 25.8°C (78.4°F) in September, to a comfortable 19.8°C (67.6°F). The average low-temperature, in Seoul, is 10.3°C (50.5°F).

Humidity

The average relative humidity in Seoul is 64%.

Rainfall

In Seoul, it is raining for 6.3 days, with typically 51.8mm (2.04") of accumulated precipitation. Throughout the year, there are 108.8 rainfall days, and 1450.6mm (57.11") of precipitation is accumulated.

Daylight

The average length of the day in Seoul is 11.2h.

Sunshine

The average sunshine is 6.4h.

UV index

In October, the average daily maximum UV index in Seoul is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in October interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in October in Seoul?

In Seoul, South Korea, in October, the average high-temperature is 19.8°C (67.6°F), and the average low-temperature is 10.3°C (50.5°F).

What is the average humidity in October in Seoul?

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

How much does it rain in Seoul in October?

In Seoul, in October, during 6.3 rainfall days, 51.8mm (2.04") of precipitation is typically accumulated.

What is the average length of the day in October in Seoul?

In October, the average length of the day in Seoul, South Korea, is 11.2h.

How long on average sun shines in October in Seoul?

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

How high is the UV index in October in Seoul?

In October, the average daily maximum UV index in Seoul is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in October - Seoul, South Korea
  • Average high temperature in October: 19.8°C

The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (1.5°C).

  • Average low temperature in October: 10.3°C

The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).

Average humidity in October - Seoul, South Korea
  • Average humidity in October: 64%

The month with the highest relative humidity is July (78.3%).
The month with the lowest relative humidity is April (56.2%).

Average rainfall in October - Seoul, South Korea
  • Average rainfall in October: 51.8mm

The wettest month (with the highest rainfall) is July (394.7mm).
The driest month (with the least rainfall) is January (20.8mm).

Average rainfall days in October - Seoul, South Korea
  • Average rainfall days in October: 6.3 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (5.8 days).

Average daylight in October / Average sunshine in October - Seoul, South Korea
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in October: 6.4h

The month with the most sunshine is May (Average sunshine: 6.9h).
The month with the least sunshine is July (Average sunshine: 3.9h).

Average UV index in October - Seoul, South Korea
  • Average UV index in October: 4

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).