June 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
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.

What is the average temperature in June in Seoul?

The average high-temperature, in June, in Seoul, South Korea, is 27.1°C (80.8°F), while the average low-temperature is 18.2°C (64.8°F).
Average temperature in June - Seoul, South Korea
  • 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).

  • 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).

Average humidity in June - Seoul, South Korea
  • 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%).

Average rainfall in June - Seoul, South Korea
  • 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).

Average rainfall days in June - Seoul, South Korea
  • 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).

Average daylight in June / Average sunshine in June - Seoul, South Korea
  • Average daylight in June: 14.7h

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 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).

Average UV index in June - Seoul, South Korea
  • 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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