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June marks the start of summer in South Korea, offering the perfect excuse to visit the country’s coastal areas such as Busan, Gangneung, and Jeju Island. If things get too hot and muggy, you can head toward the mountains for a bracing hike or explore Seoraksan National Park, a UNESCO Biosphere Reserve. June in South Korea is also the start of the monsoon season, which becomes more pronounced toward the latter half of the month. If you are caught on one of the rainy days, there are plenty of indoor attractions, including museums, art galleries, and palaces, that you can check out.

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Aerial view of Busan city during summer in South Korea.
Busan has somewhat higher temperatures than Seoul, during June in South Korea.

The weather in South Korea in June is noticeably hot, humid, and hot, particularly so as the month progresses. The average temperatures range from 20°C to 28°C. In the first few weeks of June, the weather is ideal for participating in outdoor activities such as sunbathing and sightseeing. In Seoul, expect relatively hot weather with the temperature averaging 30°C. The city of Busan on the southeastern coast offers more pleasant conditions, with the temperature ranging from 23°C to 25°C. Toward the end of June, the South Korean monsoon season, known as "jangma," takes hold. You can expect around 10 days of rain during this period. However, the longer daylight hours in June ensure that you have ample time to make the most of your trip to South Korea.

For a more seasonal overview, check out our guide on the best time to visit South Korea.

Weather in South Korea in June - Rainfall and Temperatures

Avg Daily (°C)222627
Avg Nightly (°C)111620
Avg Daily (°F)727981
Avg Nightly (°F)526168
Avg Rainfall (mm)92134370

Why Visit South Korea in June

Biryong Falls Waterfall at Seoraksan National Park with a footbridge on a h
Marvel at majestic peaks, lush forests, and serene waterfalls during your June trip to Seoraksan National Park.
Visiting Jeju Island is a must thing to do in South Korea
Experience pure paradise on Jeju Island during June by exploring its pristine beaches to captivating volanic landscapes.

There are several compelling reasons to visit during June, making it an ideal time to experience the country’s beautiful charm. Below are some reasons why you should plan a trip to South Korea in June:

  • Festivals: June in South Korea is filled with cultural celebrations, including the Dano festival, celebrated on the fifth day of the fifth lunar month. Rooted in shamanistic rituals, it marks the arrival of summer. Another event is the Lotus Lantern Festival in Seoul, leading up to Buddha’s birthday, featuring lantern floats and parades.
  • Spring and summer vibes: While June marks the beginning of the summer season in South Korea, visitors can still catch the last of the spring. The countryside and city parks are still adorned with cherries, azaleas, hydrangeas, lotus, and more—a perfect setting for a picnic or a nature walk. When the temperature starts to peak, you can head to coastal destinations like Jeju Island and Busan, or head toward the cooler mountains.
  • Outdoor activities: The first half of June in South Korea offers ideal weather conditions for outdoor activities. Along the coastal areas like Incheon and Sokcho, where you can enjoy water sports such as surfing and jet skiing. This is also the ideal time to explore national parks like Seoraksan and Jirisan.

Where to Go and What to Do

National Folk Museum during a bright sunny day in South Korea.
Located within the grounds of the Gyeongbokgung Palace, National Folk Museum of Korea is a national museum in South Korea that features three exhibition halls with 98,000 artifacts

The June weather in South Korea offers endless opportunities for things to see and do. Start your trip from Seoul, South Korea’s dynamic capital. Explore historic palaces like Gyeongbokgung and Changdeokgung, where you can witness traditional ceremonies and explore beautifully manicured gardens. Indulge in a shopping spree at Myeongdong or explore the trendy neighborhoods of Hongdae and Gangnam.

For a refreshing escape, head to the breathtaking Jeju Island, known for volcanic landscapes, pristine beaches, and lush greenery. The weather in South Korea in June is perfect for visiting this island. Explore the island, also known as the “Hawaii of Korea,” bask in the sunshine and embrace the refreshing sea breeze. You can also visit the iconic Seongsan Ilchulbong Peak and witness the mesmerizing sunrise over the vast expanse of the East Sea.

If you love nature, you will find solace in the captivating beauty of South Korea’s national parks, such as Seoraksan and Jirisan. Explore the scenic trails, waterfalls, diverse wildlife, and hiking. The lush greenery and blooming flora add a vibrant touch to the landscapes, creating a picturesque backdrop for outdoor adventures.

As the monsoon season enters South Korea, you can seek refuge in indoor attractions, such as Gyeongbokgung and Changdeokgung palaces. Or immerse yourself in the exhibits that are at display in the National Museum of Korea and Seoul Museum of Art.

The start of summer in South Korea sets the stage for outdoor adventures, cultural sightseeing and festivals. From vibrant cities to breathtaking mountain valleys and coastal towns, there's something for everyone to explore and enjoy in South Korea in June.

If you are looking for a personalized itinerary that is made just for you, reach out to our travel experts for a customized trip in South Korea. Our article on how many days to spend in South Korea will also come in handy.

Published by Astha Joshi, updated on August 2, 2023

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