Seoul
South Korea
Long-term weather forecast
Long-term weather forecast
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June weather forecast and Climate
Seoul, South Korea

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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
June is the beginning of the monsoon season in Seoul, which brings heavy rainfall and stormy weather. The average temperatures are in the comfortable 18.3°C (64.9°F) to 27.2°C (81°F) range, but the increase in humidity to 68% ups the heat quotient.
The rainfall registers to 132.1mm (5.2") as the monsoon pick up strength. Summer is usually cloudy and sometimes even foggy as the sunshine reduces to a daily 6 hours even though the days are 15- hour long.
Though the skyline is hazy in June in Seoul, the city looks beautiful in the lush green surroundings.
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  • The average high temperature in June: 27.1°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).

  • The average low temperature in June: 18.2°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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  • The average humidity in June: 68.1%

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

  • The average rainfall in June: 133.2mm

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

  • The average rainfall days in June: 9.9 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).

  • The average daylight in June: 15h

The month with the longest days is June (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in June: 6.1h

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

  • The average UV index in June: 9

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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