June weather forecast and climate
Seoul, South Korea

The Dongdaemun Gate in Seoul city, South Korea
The Dongdaemun Gate in Seoul city, South Korea
June, the first month of the summer, in Seoul, is also a moderately hot month, with average temperature ranging between max 27.1°C (80.8°F) and min 18.2°C (64.8°F).

Temperature

In Seoul, the average high-temperature in June slightly increases, from a moderately hot 23°C (73.4°F) in May, to a still warm 27.1°C (80.8°F). In June, the average low-temperature is 18.2°C (64.8°F).

Heat index

The average heat index is appraised at 28.9°C (84°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, wind). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Seoul, South Korea, the average relative humidity is 68.1%.

Rainfall

In June, the rain falls for 9.9 days. Throughout June, 133.2mm (5.24") of precipitation is accumulated. In Seoul, during the entire year, the rain falls for 108.8 days and collects up to 1450.6mm (57.11") of precipitation.

Daylight

With an average of 14.7h of daylight, June has the longest days of the year in Seoul.

Sunshine

In June, the average sunshine is 6.1h.

UV index

In June, the average daily maximum UV index is 9. A UV Index value of 8 to 10 symbolizes a very high health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 9 interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used.

What is the temperature in June in Seoul?

In June, in Seoul, the average high-temperature is 27.1°C (80.8°F), and the average low-temperature is 18.2°C (64.8°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that represents influence of the relative humidity to air temperaure, in June is estimated at 28.9°C (84°F).

What is the average humidity in June in Seoul?

In June, the average relative humidity is 68.1%.

How much does it rain in Seoul in June?

In June, in Seoul, the rain falls for 9.9 days. Throughout June, 133.2mm (5.24") of precipitation is accumulated.

When are the longest days in Seoul?

June has the longest days of the year, with an average of 14.7h of daylight.

How many hours of daylight does Seoul have in June?

In Seoul, the average length of the day in June is 14.7h.

How many hours of sunshine does Seoul have in June?

The average sunshine in June in Seoul, South Korea, is 6.1h.

What is the UV index intensity in June in Seoul?

In Seoul, the average daily maximum UV index in June is 9. A UV Index value of 8 to 10 symbolizes a very high health threat from the exposure to the Sun's UV radiation.
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 least 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 least 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 the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in June: 6.1h

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 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).