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Weather in May in Jeju Island

Planning a journey to Jeju Island this May and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Jeju Island in May?

Jeju Island is a region in South Korea. May in Jeju Island generally has temperatures that range from pleasant to warm, with high precipitation.

Temperatures

During the day temperatures vary from pleasant in Jeju at 20°C to warm in Seogwipo at 22°C. At night it cools down to 15°C in Seogwipo and 15°C in Jeju.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Jeju with an average of 111 mm to high rainfall in Seogwipo with 134 mm.

Average sunshine

The days are mostly sunny, with an average total of around 211 hours of sunshine in Jeju. The sunlight during this month doesn't just make the days brighter, it also seems to make everyone a bit more cheerful.

For specific regional insights in Jeju Island for May, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Jeju Island climate page.

Where to go in Jeju Island in May

Find more information for the most popular destinations in the Jeju Island on the map below. Click on a destination dot for more detailes.

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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).

Popular destinations

What is the weather like in May for the 2 most popular destinations in Jeju Island?

Jeju

In May Jeju generally has pleasant temperatures with maximum daytime temperatures around 20°C, minimum nighttime temperatures around 15°C and high monthly rainfall. So on average the conditions are pleasant that month.

Jeju
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
16°C 
11°C 
196 hours 
109 mm 
12 days 
20°C 
15°C 
211 hours 
111 mm 
11 days 
June   >> June
>>  
23°C 
19°C 
170 hours 
203 mm 
13 days 
Climate in Jeju

Seogwipo

In May Seogwipo generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 15°C and high monthly rainfall. So on average the conditions are pleasant that month.

Seogwipo
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
18°C 
10°C 
190 hours 
127 mm 
12 days 
22°C 
15°C 
198 hours 
134 mm 
11 days 
June   >> June
>>  
25°C 
19°C 
145 hours 
243 mm 
13 days 
Climate in Seogwipo

Is your destination not in the list? Have a look at other destinations in Jeju Island, in South Korea.

Is May the best time to visit Jeju Island?

In our opinion, May is a good time to visit Jeju Island with overall pleasant weather in Jeju.

On average, the best time to visit Jeju Island is in October with generally perfect weather in Jeju. On the other hand, the weather in January and February tend to be poor.

Interested in more climate information?

We have much more information about the climate in Jeju Island. Interested in the weather conditions in a specific month? Select the month below.

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