June in Korea is a transitional month: warm, increasingly humid, and marked by the arrival of the Korean rainy season (jangma) in mid to late June. The first half of the month has some of Korea’s finest weather and is an underrated time to visit. The second half brings rainfall and humidity that most visitors want to be prepared for. Here is the honest picture.
Quick Answer: Korea in June: Early June (1 to 15): excellent warm weather, highs of 23 to 27 degrees, manageable humidity. Late June (16 to 30): jangma (rainy season) begins, bringing frequent rain and rising humidity. Fewer tourists than in May or October. Beaches start opening. See Korea in May for the preceding month and Korea in July for July.
Korea Weather in June
Early June (1 to 15)
Highs of 23 to 27 degrees. Lows of 15 to 19 degrees. Low tourist numbers relative to the pleasant conditions. Clear days are frequent, and the heat is not yet oppressive. This is arguably one of Korea’s most underrated travel windows.
Mid-June (16 to 22)
The jangma (Korean rainy season) typically begins in mid-June. Highs of 25 to 29 degrees. Increased humidity (60 to 75%). Intermittent heavy rain interspersed with clear periods.
Late June (23 to 30)
Highs of 26 to 30 degrees. Lows of 20 to 23 degrees. Full rainy season. Frequent showers, sometimes heavy. Pack a waterproof jacket or a small umbrella. The rain in Korea is not constant: rain tends to come in bursts followed by clear intervals.
The Korean Rainy Season (Jangma)
Jangma is the Korean equivalent of the East Asian monsoon, typically running from mid-June to mid-July. The rainfall is not continuous: Korea does not have the constant grey drizzle of, say, the UK. Instead, heavy rain falls in concentrated bursts, sometimes very heavy, interspersed with clear or partly cloudy periods. A waterproof layer and compact umbrella handle most jangma conditions. Indoor attractions and air-conditioned shopping (see the Seoul shopping guide) are more sensible during periods of heavy rain.
What to Do in Korea in June
Early June: Outdoor Korea
The first two weeks of June are excellent for outdoor activities: palace visits, hiking (see the Korea hiking guide), Han River parks (see the Yeouido Hangang Park guide), and day trips. Seoraksan (see Seoraksan guide) in early June has good trail conditions and minimal crowds.
Later June: Indoor Seoul
Rainy periods are good for museums (see the National Museum of Korea guide), markets (see the Gwangjang Market guide), department store shopping, cafes (see Seoul cafes guide), and jjimjilbang spa days (see the jjimjilbang guide).
Beach Season Opening
Korea’s official beach season (designated swimming beaches with lifeguards) typically opens around June 1. Haeundae Beach and Gwangalli Beach are open but not yet at summer capacity. June is a good time to visit Busan’s beaches before the July-August peak. See Busan in summer.
Events in Korea in June
- Korea Memorial Day (June 6): A national holiday commemorating fallen soldiers. Ceremonies at the War Memorial (see the War Memorial guide) and national cemeteries.
- Mud Festival (Boryeong, late July, with preparations in June): The Boryeong Mud Festival is actually in late July, but June sees early beach-season activities in the Daecheon Beach area.
- Seoul Fringe Festival (late August to September, with some June pre-events): The Hongdae area hosts outdoor performances.
Packing for Korea in June
Light summer clothes for warm days. A compact waterproof jacket or umbrella for jangma rain. Light layers for air-conditioned buildings (Korean air conditioning is often very cold). See the Korea packing list.
Nearby Guides
- Korea in May
- Korea in July
- Korea in August
- Busan in summer
- Things to do in Korea
- Best places to visit in Korea
- Korea first-time tips
FAQ
Should I avoid Korea in June because of the rainy season?
No, especially not early June. The first two weeks of June have excellent weather and some of the lowest tourist numbers of the warm-weather season. Even during jangma (mid to late June), the rain comes in bursts rather than continuously. Packing a waterproof jacket and being flexible with itinerary timing handles most scenarios.
Is it hot in Korea in June?
Yes, progressively. Early June reaches 25 to 27 degrees; late June reaches 28 to 30 degrees with high humidity. It is warmer and more humid than May but not yet at the full summer intensity of July and August.
Is June good for beach travel in Korea?
Early to mid June is one of the best times for Busan’s beaches: the sea is warm enough for swimming from mid-June, the beaches are not yet at July and August capacity, and the jellyfish season has not yet arrived. See Busan in summer.

