The weather in May in South Korea
It's warm in May in South Korea with an average temperature of 26°C. Temperatures this month range from a low of 23°C to a high of 29°C. At night, you can expect temperatures between 10°C and 16°C.
Looking for great weather? May is a good time to be in South Korea. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for South Korea. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 36°C in 2014, South Korea reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 14°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 22°C.
Rainfall amount
In May, there is an average of 87 mm of precipitation, spread over 12 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in May for South Korea
Click on any day in May to get detailed info about the usual weather on that day in South Korea. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| South Korea | New York | |
|---|---|---|
| Average temperature | 26°C | 22°C |
| Max. temperature | 29°C | 28°C |
| Min. temperature | 10°C | -5°C |
| Total precipitation | 87 mm | 105 mm |
| Rainy days | 12 days | 14 days |
Start of May
The month of May starts in South Korea with warm temps, averaging around 24°C during the day and nights around 11°C.
Mid May
By mid-May, daytime temps rise to around 26°C, with nights around 14°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in South Korea is around 28°C, while nighttime temps are about 15°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of South Korea for all months and discover the best travel time
The climate in South Korea is based on weather data from Seoul. Other places, like Busan, might have different weather. You can check out all destinations in South Korea to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in May in South Korea. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in South Korea
Temperature in May in South Korea over the years
Precipitation charts
These charts show the average amount of precipitation in May in South Korea. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in South Korea
Total precipitation in May in South Korea over the years
Daily UV index in May in South Korea
This chart shows the average daily UV index in May in South Korea, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in South Korea
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Average weather in South Korea by month
Click on a month below to see detailed weather info for South Korea. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.