The climate of South Korea
The current climate in South Korea features temperatures ranging from a high of 31°C to a low of 6°C throughout the year. The average yearly temperature is around 20°C. At night, temperatures in the colder months average around -5°C and in the warmer months around 23°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for South Korea.
Temperature records
The highest temperature recorded in South Korea in recent years was 39°C in August 2018. The lowest daytime temperature recorded was -12°C in January 2021.
Precipitation and snowfall
On average, South Korea gets 1568 mm of precipitation each year. Of this, about 12 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
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.
Best time to visit South Korea?
The best time to visit South Korea for mild to warm weather is April up to June, September and October. You might get some rain, but the temperatures are just right to explore South Korea.
Find affordable vacations to South Korea
Climate Table of South Korea
The climate table of South Korea shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 6 | 6 | 14 | 20 | 26 | 28 | 31 | 31 | 27 | 21 | 14 | 6 |
| Temp. min (°C) | -5 | -3 | 1 | 8 | 13 | 19 | 22 | 23 | 18 | 10 | 4 | -4 |
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| Precipitation (mm) | 31 | 39 | 94 | 145 | 87 | 107 | 267 | 413 | 149 | 108 | 98 | 30 |
| Snow (cm) | 4,8 | 1,0 | 0,9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,9 | 3,5 |
| UV Index | 4 | 6 | 7 | 8 | 8 | 8 | 7 | 6 | 6 | 6 | 5 | 4 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Popular destinations in South Korea
Discover the climate of these popular destinations in South Korea.
Temperature charts
These charts display the average temperatures in South Korea. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in South Korea
Yearly Temperature in South Korea
Precipitation charts
These charts show the average amount of precipitation 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.
Average Precipitation per Month in South Korea
Total Yearly Precipitation in South Korea
Average Snowfall per Month in South Korea
Total Yearly Snowfall in South Korea
UV index chart
This chart shows the average UV index per month in South Korea. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in South Korea
Weather experiences in South Korea
The weather in South Korea is rated 5 out of 5 stars by 1 visitor.
Jos van den Berg
5 days Seoul unforgettable, only very cold . It is definitely a beautiful country definitely recommended friendly people, and food good real Korean. You should make excursions. Good luck with the trip to 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.