South Korea weather in May
Are you planning a trip to South Korea in May and wondering what kind of weather to expect? This page has all the details you need.
What is the weather like in South Korea in May?
Weather in South Korea varies in May, with temperatures ranging from pleasant to warm and precipitation ranging from moderate to high.
The average maximum temperatures vary from pleasant in Anmyeon at 19°C (66°F) to warm in Daegu at 26°C (79°F).
Precipitation in May varies from moderate rainfall in Donghae with an average of 77mm (3 inches) to high rainfall in Yeosu with 144mm (5.7 inches). It is also generally a sunny time of year with an average of 225 hours of sunshine in Seoul during the entire month.
For more details on the yearly weather and climate conditions, visit our South Korea climate page. To learn more about the weather conditions in specific areas of South Korea in May, check out the map below.
Where to go in South Korea in May





Popular destinations in South Korea
What is the weather like in May for the 5 most popular destinations in South Korea?
Average weather in Seoul
In May Seoul generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are perfect that month.
Average weather in Busan
In May Busan generally has pleasant temperatures with maximum daytime temperatures around 22°C (71°F), minimum nighttime temperatures around 15°C (58°F) and high monthly rainfall. So on average the conditions are pleasant that month.
Average weather in 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 pleasant that month.
Average weather in 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 pleasant that month.
Average weather in Incheon
In May Incheon generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.
Is your destination not in the list? Have a look at other destinations in South Korea.
Is May the best time to go to South Korea?
In our opinion May is one of the best times to visit South Korea with commonly perfect weather in Seoul. However, the weather conditions may vary depending on your destination.
On average the best time to visit South Korea is in May and October with generally perfect weather in Seoul.
The worst months are January, July, August and December that can have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in South Korea.
Interested in the weather conditions in a specific month? Select the month below.
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 climate conditions. Find out where to go with our weather planner.