Search flights, hotels & activities for Jeju
Compare flights, hotels, cars, and activities in one place.
500+airlines & travel sites compared
21,000+routes tracked
€0booking fees from us
Freeprice drop alerts
Things to Do in Jeju in Summer
Real historical weather for Jeju in Summer: average highs of 30°C and lows of 25°C, with around 240mm of rain (averaged over the last 3 years). Jeju is in South Korea.
30°C
Average high
25°C
Average low
240mm
Typical rainfall
Real things to do in Jeju in Summer
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad

Jeju Shore Excursion for Cruise Passengers: UNESCO & Highlights
★ 5.0(53 reviews)· 10 hrs
From €54

Jeju Island South UNESCO Highlights Day Tour With Mt Halla
★ 5.0(266 reviews)· 9 hrs
From €26

Jeju WestSouth One Day Authentic Tour with MT.Halla & UNESCO
★ 5.0(258 reviews)· 9 hrs
From €26

Jeju Island Eastern UNESCO site Full Day Guided Tour
★ 5.0(470 reviews)· 9 hrs
From €26

Jeju Southern UNESCO Full Day Tour with Mt.Halla
★ 4.9(482 reviews)· 9 hrs
From €34

Jeju Eastern UNESCO Sites Day Tour
★ 4.9(236 reviews)· 9 hrs
From €29

Jeju Island English Private & Flexible Tour any number anywhere
★ 4.9(642 reviews)· 8 hrs
From €189

Jeju East Essentials – Seongsan Ilchulbong (UNESCO) & Haenyeo
★ 4.9(1,191 reviews)· 9 hrs
From €34

Jeju South-West Essentials: Hallasan & Signature Highlights
★ 4.9(747 reviews)· 8 hrs
From €34

Half or Day Tour For Cruise customers arriving at Jeju City Port
★ 4.7(86 reviews)· 9 hrs
From €125
Real listings from Viator, including live ratings and prices — clicking through takes you to book directly.
Other seasons in Jeju
Plan the rest of your trip
Continue planning your trip to Jeju
Same destination, real availability — no need to search again.
FAQs — Jeju in Summer
Based on real historical data (averaged over the last 3 years), expect highs around 30°C and lows around 25°C, with roughly 240mm of rain.