Month guide · Jeju · South Korea
Jeju in May
What May is really like in Jeju: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Trainholic, CC BY-SA 4.0
Quick answer
May is one of the best months to visit Jeju. Expect average highs of 22°C (72°F), lows of 15°C (59°F), about 10 rainy days and roughly 13.9 hours of daylight. Warm and settled, with royal azaleas on Hallasan from late May; school trips and long holiday weekends make it busy.
Key facts
- Average high / low
- 22°C (72°F) / 15°C (59°F)
- Rainy days
- About 10
- Daylight
- About 13.9 hours
- Sea temperature
- 18°C (64°F)
- Crowds
- Busy
- Hotel prices
- High
Weather in May
May is the 5th-warmest month in Jeju: days average 22°C (72°F) against a yearly average high of 19°C (66°F), and nights fall to about 15°C (59°F). Rain falls on roughly 10 of its 31 days. Compared with April (18°C (64°F)), May is warmer; by June highs climb to around 25°C (77°F).
- Sunrise (15 May)
- About 05:33
- Sunset (15 May)
- About 19:27
- Daylight
- About 13.9 hours
- Sea
- 18°C (64°F)
Spring (March–May). Canola fields, cherry blossom and royal azaleas, with mild temperatures ideal for walking; long weekends in May get busy.
Crowds and prices
On a 1–5 scale, May rates 4 for crowds (the peak is July at 5) and 4 for hotel prices (highest in July). Book accommodation early: May is one of the pricier months.
Events in May
- Royal azalea bloom on Hallasan's upper slopes (usually late May to early June)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in May
With frequent rain, plan around indoor sights and keep outdoor time flexible.
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
What to pack
For highs near 22°C, lows near 15°C and 10 wet days: light layers for the day and a light jacket for the evening; a packable rain jacket for showers; comfortable walking shoes.
Is May a good time to visit Jeju?
One of the best months to visit Jeju, with a notable event on the calendar. The other best months are April and October–November. Compare every month.
Jeju in other months
Questions travellers ask
+Is May a good time to visit Jeju?
It is one of the best months to visit Jeju. Warm and settled, with royal azaleas on Hallasan from late May; school trips and long holiday weekends make it busy.
+How warm is Jeju in May?
Average highs are around 22°C (72°F) and lows around 15°C (59°F).
+Does it rain a lot in Jeju in May?
Expect rain on about 10 days of the month.