Jeju weather in May (Jeju Island, South Korea)

Thinking of visiting Jeju in May? Check the weather first! Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

May in Jeju generally includes pleasant temperatures and high rainfall. During the daylight hours, temperatures often reach 20°C. After dark they usually decrease to around 15°C.

Precipitation

Jeju in May usually receives high rainfall, averaging around 111 mm for the month. Past climate data indicates that roughly 11 days will see rain.

Average sunshine

There are approximately 211 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

Should you favor a climate that's both dry and comfortably warm October typically offers the most agreeable circumstances. On the other hand, January and February tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Jeju climate page with graphs.

 

Jeju, monthly averages in May

Min Temperature 15°C  

Max Temperature 20°C  

Chance of Rain 36%  

Precipitation 111 mm  

Rainy days 11 days  

Humidity 70%  

Sunshine 211 hours  

Percentage Sunshine  

Where to go in South Korea in May

Find out more about the weather in South Korea and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Jeju, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Jeju.

Our site offers climate and forecast data for every country in the world. Are you going to South Korea? On this website you can find historical weather averages for many cities in South Korea. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.