October weather forecast
Seoul, South Korea

The Dongdaemun Gate in Seoul city, South Korea
The Dongdaemun Gate in Seoul city, South Korea

Weather in October

October, like September, in Seoul, South Korea, is another comfortable autumn month, with temperature in the range of an average high of 19.8°C (67.6°F) and an average low of 10.3°C (50.5°F).

Temperature

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

Humidity

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

Rainfall

In Seoul, during 6.3 rainfall days, 51.8mm (2.04") of precipitation is typically accumulated. In Seoul, South Korea, during the entire year, the rain falls for 108.8 days and collects up to 1450.6mm (57.11") of precipitation.

Daylight

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

Sunshine

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

UV index

In Seoul, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: In October, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in October in Seoul?

The average relative humidity in October in Seoul is 64%.

How many days does it rain in October in Seoul?

In Seoul, in October, it is raining for 6.3 days, with typically 51.8mm (2.04") of accumulated precipitation.

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

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

How many hours of sunshine does Seoul have in October?

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

What is the UV index reading in October in Seoul?

In Seoul, South Korea, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in October
Seoul, South Korea

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).

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Average humidity in October
Seoul, South Korea

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%).

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Average rainfall in October
Seoul, South Korea

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).

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Average rainfall days in October
Seoul, South Korea

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).

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Average daylight in October /
Average sunshine in October
Seoul, South Korea

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).

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Average UV index in October
Seoul, South Korea

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).

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