Jeju Island weather in May
Mild and comfortable, with some rainy days. Average highs of 21°C and lows of 15°C, with around 10 rainy days expected throughout the month.
While May isn't our top-rated month for Jeju Island, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
21°C
Average low
15°C
Rainy days
10 days
Best months to visit
June
What to do in Jeju Island in May
Whatever the weather, Jeju Island rewards curious visitors. Here are some of the best ways to spend your time:
Climb Mount Halla's volcanic cone at dawn
Watch haenyeo divers harvesting sea urchins
Explore Manjangul Cave lava tube system
Visit Jusangjeolli columnar basalt cliffs
Relax in natural hot spring spas
Shop for local tangerines and specialty foods
What to pack for May
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
8C
Cold, with some rainy days.
February
8C
Cold, with occasional showers.
March
13C
Cool, with some rainy days.
April
17C
Cool, with occasional showers.
May (you are here)
21C
Mild and comfortable, with some rainy days.
Recommended
June
24C
Mild and comfortable, with some rainy days.
July
28C
Warm and pleasant, with regular rainfall.
August
29C
Warm and pleasant, with regular rainfall.
September
25C
Warm and pleasant, with regular rainfall.
October
20C
Mild and comfortable, with occasional showers.
November
16C
Cool, with some rainy days.
December
10C
Cool, with some rainy days.
Book your May trip to Jeju Island
Find hotels, tours and experiences for the perfect escape.
