Season guide · Jeju · South Korea
Jeju in summer
June–August: weather, crowds, prices and the best things to do this time of year.
Updated By the AMZBooking editorial team
Photo: Lcarrion88, CC BY-SA 4.0
Quick answer
Rainy season around late June and July, then hot beach weather; the busiest and most expensive period, with typhoon risk late in the season. Expect highs up to 30°C (86°F) and lows around 19°C (66°F), with about 37 rainy days across June–August.
Key facts
- Months
- June–August
- Temperatures
- 19°C (66°F) to 30°C (86°F)
- Rainy days in the season
- About 37
- Sea
- 21°C (70°F) to 27°C (81°F)
- Crowds
- Busy
- Hotel prices
- High
Weather in summer
| Month | High | Low | Rainy days | Daylight | Crowds |
|---|---|---|---|---|---|
| June | 25°C (77°F) | 19°C (66°F) | 12 | 14.4 h | 3/5 |
| July | 29°C (84°F) | 24°C (75°F) | 12 | 14.2 h | 5/5 |
| August | 30°C (86°F) | 25°C (77°F) | 13 | 13.4 h | 5/5 |
Compared with the rest of the year: average highs of 28°C (82°F) against a yearly 19°C (66°F), and 37 of the year's roughly 142 rainy days fall in these 3 months. Crowds rate 4/5 and hotel prices 4/5 on average.
What's on in summer
Recurring events; dates move from year to year, so confirm with the organiser.
- June: Hydrangea season in Hallim Park and along roadsides (June)
- June: Jangma rainy season begins (usually mid to late June)
- July: Beaches officially open for the season (usually early July)
- August: Summer holiday peak (late July to mid-August)
Good choices for summer
Museum · Jocheon
Jeju Stone Park
Start in the indoor museum to understand the island's geology, then walk the outdoor circuit, which takes about an hour.
- Time needed
- 2–3 hours
- Cost
- Low cost
- History
- Rainy day
- Kids
- Outdoors
Museum · Hamdeok and Gujwa
Haenyeo Museum
In the diving village of Hado-ri, this museum tells the story of Jeju's women free-divers through their cotton diving clothes, tools, boats and recorded songs.
- Time needed
- 1 hour
- Cost
- Low cost
- History
- Rainy day
- Off the beaten path
Historic site · Jeju City
Jeju 4.3 Peace Park
Allow time for the exhibition hall, which is clearly laid out with English panels, and visit before rather than after a beach day.
- Time needed
- 1.5 hours
- Cost
- Free
- History
- Free
- Rainy day
Museum · Andeok
O'sulloc Tea Museum and Seogwang tea fields
Korea's best-known tea brand runs a free museum and café beside its Seogwang green-tea plantation, where rows of tea bushes stretch towards Sanbangsan.
- Time needed
- 1 hour
- Cost
- Free
- Free
- Food
- Rainy day
- Photo spot
Nature · Gujwa
Manjanggul Lava Tube
Sections have closed for safety works in recent years, so check the official Jeju sites before driving out; bring a light jacket and grippy shoes for the wet floor.
- Time needed
- 1 hour
- Cost
- Low cost
- Nature
- Rainy day
- Kids
Day trips in summer
- Marado (About 1 hour 30 minutes by car and ferry) — Korea's southernmost inhabited island is a small grassy plateau you can walk around in about an hour, with a lighthouse, a tiny church and temple, and restaurants known for jajangmyeon noodles with seafood.
- Gapado (About 1 hour 15 minutes by car and ferry) — Low, flat Gapado is covered in barley fields that turn green in April and gold in May, with views back to Sanbangsan and Hallasan.
What to pack
- Light, breathable clothes, a sun hat and high-factor sunscreen
- A compact umbrella and waterproof shoes — rain is frequent
- Comfortable walking shoes
Other times of year
Questions travellers ask
+Is summer a good time to visit Jeju?
It is a trade-off: Rainy season around late June and July, then hot beach weather; the busiest and most expensive period, with typhoon risk late in the season. The best months overall are April–May and October–November.
+What is the weather like in Jeju in summer?
Highs of up to 30°C (86°F) and lows around 19°C (66°F), with about 37 rainy days over the season.