Month guide · Jeju · South Korea
Jeju in June
What June is really like in Jeju: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Grapesurgeon, CC BY-SA 4.0
Quick answer
June is a shoulder-season month. Expect average highs of 25°C (77°F), lows of 19°C (66°F), about 12 rainy days and roughly 14.4 hours of daylight. Humid, with hydrangeas in bloom; the rainy season (jangma) usually starts in the second half of the month.
Key facts
- Average high / low
- 25°C (77°F) / 19°C (66°F)
- Rainy days
- About 12
- Daylight
- About 14.4 hours
- Sea temperature
- 21°C (70°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in June
June is the 4th-warmest month in Jeju: days average 25°C (77°F) against a yearly average high of 19°C (66°F), and nights fall to about 19°C (66°F). Rain falls on roughly 12 of its 30 days. Compared with May (22°C (72°F)), June is warmer; by July highs climb to around 29°C (84°F).
- Sunrise (15 June)
- About 05:23
- Sunset (15 June)
- About 19:45
- Daylight
- About 14.4 hours
- Sea
- 21°C (70°F)
Summer (June–August). Rainy season around late June and July, then hot beach weather; the busiest and most expensive period, with typhoon risk late in the season.
Crowds and prices
On a 1–5 scale, June rates 3 for crowds (the peak is July at 5) and 3 for hotel prices (highest in July). Prices sit in the middle of the year's range.
Events in June
- Hydrangea season in Hallim Park and along roadsides (June)
- Jangma rainy season begins (usually mid to late June)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in June
With frequent rain, plan around indoor sights and keep outdoor time flexible.

Nature · Seongsan
Seongsan Ilchulbong (Sunrise Peak)
This tuff cone, formed by an underwater eruption about 5,000 years ago, rises roughly 180 m from the sea at Jeju's eastern tip.
- Time needed
- 1.5–2 hours
- Cost
- Low cost
- Iconic
- Views
- Photo spot
- Active
- Outdoors

Nature · Jungmun
Daepo Jusangjeolli Cliff
Come on a day with a swell running; the spray over the columns is far more dramatic than on a flat calm.
- Time needed
- 45 minutes
- Cost
- Low cost
- Views
- Photo spot
- Nature

Nature · Seogwipo
Cheonjiyeon Waterfall
A level path through a subtropical gorge leads in about ten minutes to a 22 m waterfall dropping into a deep green pool, a short walk from Seogwipo harbour.
- Time needed
- 45 minutes
- Cost
- Low cost
- Nature
- After dark
- Couples
- Kids
Nature · Seogwipo
Jeongbang Waterfall
Wear shoes with grip; the black boulders at the bottom are slippery, and the stairs are steep for small children.
- Time needed
- 45 minutes
- Cost
- Low cost
- Nature
- Photo spot
- Outdoors
The sea averages 21°C (70°F) — warm enough to swim. Best beaches near Jeju.
What to pack
For highs near 25°C, lows near 19°C and 12 wet days: light layers for the day and a light jacket for the evening; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is June a good time to visit Jeju?
A shoulder-season month, with 2 notable events on the calendar. If your dates are flexible, April–May and October–November are better overall. Compare every month.
Jeju in other months
Questions travellers ask
+Is June a good time to visit Jeju?
It is a shoulder-season month. Humid, with hydrangeas in bloom; the rainy season (jangma) usually starts in the second half of the month.
+How warm is Jeju in June?
Average highs are around 25°C (77°F) and lows around 19°C (66°F).
+Does it rain a lot in Jeju in June?
Expect rain on about 12 days of the month, so pack for wet weather.