Jeju

Jeju Island Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Jeju Island, South Korea in May.

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Planning a getaway to Jeju Island, South Korea this May and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Jeju Island in May

Jeju Island, South Korea 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 (68°F) to warm in Seogwipo at 22°C (72°F). At night it cools down to 15°C (59°F) in Seogwipo and 15°C (59°F) in Jeju.

To learn more about the conditions in specific areas of Jeju Island, South Korea, check out the map below.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Jeju with an average of 111 mm (4.4 in) to high rainfall in Seogwipo with 134 mm (5.3 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in May. Jeju typically receives 211 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Jeju Island by month

Pick a month to see the average temperature, rainfall and sunshine in Jeju Island - and find the best time to visit. (based on Jeju)

Best Places to Visit in Jeju Island in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Jeju Island.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Jeju Island

What is the weather like in May for some of the most popular destinations in Jeju Island, South Korea?

Temperature range in Jeju Island (May)

Precipitation variation in Jeju Island (May)

Jeju

In May Jeju generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 15°C (59°F) and high monthly rainfall. So on average the conditions are very good that month.

May
April
May
June
Max temperature
16°C (61°F)
20°C (68°F)
23°C (73°F)
Min temperature
11°C (52°F)
15°C (59°F)
19°C (66°F)
Monthly sun hours
196 hours
211 hours
170 hours
Monthly rainfall
109 mm (4.3 in)
111 mm (4.4 in)
203 mm (8 in)
Monthly rainy days
12 days
11 days
13 days
Weather conditions

Seogwipo

In May Seogwipo generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 15°C (59°F) and high monthly rainfall. So on average the conditions are very good that month.

May
April
May
June
Max temperature
18°C (64°F)
22°C (72°F)
25°C (77°F)
Min temperature
10°C (50°F)
15°C (59°F)
19°C (66°F)
Monthly sun hours
190 hours
198 hours
145 hours
Monthly rainfall
127 mm (5 in)
134 mm (5.3 in)
243 mm (9.6 in)
Monthly rainy days
12 days
11 days
13 days
Weather conditions

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

Popular cities in May

Day & night temperatures, rainfall and average weather in Jeju Island in May.

City Weather Day temp Night temp Rainfall
Jeju 20°C (68°F) 15°C (59°F) 111 mm (4.4 in)
Seogwipo 22°C (72°F) 15°C (59°F) 134 mm (5.3 in)

Jeju Island weather in May: frequently asked questions

What is the weather like in Jeju Island, South Korea in May?

Jeju Island, South Korea typically experiences very good weather in May, part of the season. Daytime highs in Jeju average around 20°C (68°F), and temperatures drop to about 15°C (59°F) at night.

What is the average temperature in Jeju Island, South Korea in May?

In Jeju, the average daytime high in May is 20°C (68°F), while nighttime temperatures drop to around 15°C (59°F).

Does Jeju Island, South Korea get a lot of rain in May?

Yes, May tends to be a wetter month in Jeju Island, South Korea. Average rainfall in Jeju sits around 111 mm (4.4 in).

Is May a Good Time to Visit Jeju Island, South Korea?

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

On average, the best time to visit Jeju Island, South Korea is in October with generally excellent weather in Jeju. On the other hand, the weather in January and February tend to be less favorable.

Interested in more climate information?

We have much more information about the climate in Jeju Island.

Weather and climate has detailed information for every country in the world. Are you going to South Korea? Get detailed 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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.