July 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
July is the cloudiest, wettest, and most and humid month in Seoul as the East Asian Monsoon settles in the Korean Peninsula. It rains heavily, and there are frequent thunderstorms. The downpour may easily exceed 127mm (5") in a day, during a rainstorm, and the month registers 393.7mm (15.5"). The average humidity crosses 78%, and the heat is stifling as the average temperatures lie in the 21.7°C (71.1°F) to 28.9°C (84°F) range.
Cloudy, dark skies reduce the daily sunshine to less than 4 hours even though the days stretch to 14 hours. Expect heavy rainfall with thunderstorms in July.

What is the temperature in July in Seoul?

In Seoul, South Korea, in July, the average high-temperature is 28.6°C (83.5°F), and the average low-temperature is 21.9°C (71.4°F).

What is the most humid month in Seoul?

July is the most humid month in Seoul, with an average relative humidity of 78.3%.

What is the average humidity in July in Seoul?

In July, the average relative humidity in Seoul, South Korea, is 78.3%.

How many days does it rain in July in Seoul?

In Seoul, in July, it is raining for 16.3 days, with typically 394.7mm (15.5") of accumulated precipitation.

What is the rainiest month in Seoul?

The month with the most rainfall in Seoul, South Korea, is July when the rain falls for 16.3 days and typically aggregates up to 394.7mm (15.5") of precipitation.

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

In July, the average length of the day in Seoul, South Korea, is 14.5h.

What is the month with the least sunshine in Seoul?

The month with the least sunshine in Seoul, South Korea, is July, with an average of 3.9h of sunshine.

How many hours of sunshine does Seoul have in July?

In July, the average sunshine in Seoul is 3.9h.

What is the month with the highest UV index in Seoul?

With an average maximum UV index of 10, July is the month with the highest UV index.

How high is the UV index in July in Seoul?

The average daily maximum UV index in July is 10. A UV Index estimate of 8 to 10 represents a very high health threat from unprotected exposure to the UV radiation.
Average temperature in July - Seoul, South Korea
  • Average high temperature in July: 28.6°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 July: 21.9°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 July - Seoul, South Korea
  • Average humidity in July: 78.3%

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 July - Seoul, South Korea
  • Average rainfall in July: 394.7mm

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

Average rainfall days in July - Seoul, South Korea
  • Average rainfall days in July: 16.3 days

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

Average daylight in July / Average sunshine in July - Seoul, South Korea
  • Average daylight in July: 14.5h

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

  • Average sunshine in July: 3.9h

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

Average UV index in July - Seoul, South Korea
  • Average UV index in July: 10

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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