June weather forecast
Seoul, South Korea

June showcases the arrival of summer in Seoul, with hot, humid, and rainy conditions becoming the norm. People can be seen enjoying ice creams and cold drinks to ward off the heat. Nature enthusiasts will appreciate the lush greenery in parks and along the Han River. Pre-monsoon showers become more frequent, finally culminating into peak monsoon in July. June experiences 14.7 hours of daylight, the longest throughout the year.

Temperature

The commencement of June in Seoul, South Korea, sees a minor shift in the average high-temperature, moving from 23°C (73.4°F) in May to a still warm 27.1°C (80.8°F). Nightly temperatures drop to an average low of 18.2°C (64.8°F) in June.

Heat index

For most parts of June, the heat index is computed to be 29°C (84.2°F). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In Seoul, the average relative humidity in June is 68.1%.

Rainfall

In Seoul, in June, during 9.9 rainfall days, 133mm (5.24") of precipitation is typically accumulated. In Seoul, during the entire year, the rain falls for 108.8 days and collects up to 1451mm (57.13") of precipitation.

Daylight

With an average of 14h and 42min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 05:12 and sunset at 19:47. On the last day of June, in Seoul, South Korea, sunrise is at 05:14 and sunset at 19:57 KST.

Sunshine

The average sunshine in June is 6.1h.

UV index

In Seoul, the average daily maximum UV index in June is 9. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 9 in June translates into this advice:
Take important precautions because unprotected skin can burn and be harmed swiftly. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. To reduce the harmful impacts of sun exposure, use a sunscreen with at least 30 SPF. It can save you from sunburns and immune system damage.