Jeju Island
A volcanic island nicknamed the Hawaii of Korea, lava tube caves you walk straight into, and women free-divers who have harvested the seabed by breath-hold alone for generations.
The best time to visit Jeju Island is Apr–Jun, Sep–Oct, when typical daytime highs reach about 27°C (81°F). Local time there is 07:28 (UTC+9).
Good for
In season
The year at a glance
April · high 17°C · rain 101mm · 13.0h of daylight · in the recommended window
shaded columns are the recommended window
Measured at Jeju City, the arrival airport
Averages for 2019–2023 from Open-Meteo’s archive, not a forecast
| Month | High °CHigh °F | Rain mmRain in | Light | Notes |
|---|---|---|---|---|
| January | 8°C47°F | 103mm4.1in | 10.2h10.2h | |
| February | 9°C49°F | 73mm2.9in | 10.9h10.9h | |
| March | 14°C57°F | 102mm4.0in | 11.9h11.9h | |
| April | 17°C62°F | 101mm4.0in | 13.0h13.0h | in the recommended window |
| May | 21°C71°F | 132mm5.2in | 13.9h13.9h | in the recommended window |
| June | 25°C76°F | 189mm7.4in | 14.4h14.4h | in the recommended window |
| July | 28°C82°F | 266mm10.5in | 14.2h14.2h | |
| August | 29°C85°F | 213mm8.4in | 13.4h13.4h | |
| September | 26°C78°F | 397mm15.6in | 12.3h12.3h | in the recommended window |
| October | 21°C69°F | 60mm2.4in | 11.3h11.3h | in the recommended window |
| November | 16°C62°F | 100mm3.9in | 10.4h10.4h | |
| December | 10°C50°F | 96mm3.8in | 9.9h9.9h |
Good to know
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When is the best time to visit Jeju Island?
The best time to visit Jeju Island is Apr–Jun, Sep–Oct, when typical daytime highs reach about 27°C (81°F).
How warm does Jeju Island get?
Typical daytime highs in Jeju Island are Mar–May 17°C (63°F), Jun–Aug 27°C (81°F), Sep–Nov 21°C (69°F), Dec–Feb 9°C (49°F).
Is Jeju Island expensive?
On the ground, Jeju Island is middling.
What sort of trip is Jeju Island good for?
Jeju Island is good for nature and scenery, beach and sun holidays, relaxing holidays, food and drink.
How rainy is Jeju Island?
The wettest month in Jeju Island is September at 397mm (15.6in), the driest October at 60mm (2.4in), with a monthly average of 153mm (6.0in).
What plug do I need for Jeju Island?
Jeju Island uses type C, F sockets at 220 V.
