Weather in Jeju Island in May
The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.
Climate Overview
May is an excellent time to visit Jeju Island. Jeju Island has a Warm climate with average yearly highs of 21°C, lows of 15°C, and approximately 9 rainy days per month.
21°C
15°C
9days
13.9h
Is May a good time to visit Jeju Island?
The weather is near-perfect with ideal temperatures and minimal rain.
Daylight
5:35 AM
7:27 PM
Weather by Month
| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 9°C | 6°C | 12 | Good |
| February | 10°C | 5°C | 11 | Good |
| March | 13°C | 7°C | 9 | Good |
| April | 14°C | 8°C | 7 | Excellent (best) |
| May | 21°C | 15°C | 9 | Excellent (best) |
| June | 25°C | 20°C | 12 | Good |
| July | 25°C | 22°C | 23 | Wet |
| August | 30°C | 26°C | 14 | Wet |
| September | 24°C | 20°C | 18 | Excellent (best) |
| October | 19°C | 15°C | 4 | Excellent (best) |
| November | 15°C | 11°C | 7 | Good |
| December | 9°C | 5°C | 8 | Good |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
What to Pack for May
Layers, a light jacket, comfortable walking shoes, and an umbrella.
Planning a trip to Jeju Island?
Common Questions
Is May a good time to visit Jeju Island? +
May is typically Excellent for visiting Jeju Island, with average highs of 21°C and around 9 rainy days.
What should I pack for Jeju Island in May? +
With highs of 21°C and lows of 15°C in {month}, we recommend: Layers, a light jacket, comfortable walking shoes, and an umbrella.
Does it rain a lot in Jeju Island in May? +
Jeju Island typically sees around 9 rainy days in May.
How many hours of daylight are there in Jeju Island in May? +
In May, Jeju Island gets approximately 13.9 hours of daylight per day.
Is May peak season in Jeju Island? +
Yes, May is peak season in Jeju Island. Expect higher prices and more crowds, but also the best weather.
What is the best month to visit Jeju Island? +
The best months to visit Jeju Island are April, May, September, October, when the weather is optimal for sightseeing.
More Jeju Island Guides
Best Time to Visit
Coming soon
Things to Do
Coming soon
Itineraries
Coming soon
Overview
Complete travel guide for Jeju Island: top things to do, itineraries, and typical costs.