What is the climate like in South Korea?

The climate of South Korea has an average yearly temperature of 20°C. Throughout the year, the average monthly temperature can drop to 7°C and rise to 31°C.

Annually, about 1161 mm of rain falls. This gives a good overview of how much rain to expect in South Korea. Additionally, about 7,5 cm of snow falls each year.

The best time to visit South Korea is April, May and October. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit South Korea.


  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 7 9 16 21 25 29 31 31 27 21 15 8
Rainfall (mm) 19 27 63 88 78 107 233 245 154 79 37 31
Snowfall (cm) 2,5 1,3 2,3 0 0 0 0 0 0 0 0,5 0,9

ExcellentStarStarStarStarStar

5 days Seoul unforgettable, only very cold . It is definite... more

Jos van den Berg

  • Average yearly temperature: 20°C
  • Highest temperature: 31°C in July and August
  • Lowest temperature: 7°C in January
  • Rainfall: 1161 mm per year, averaging 97 mm by month
  • Driest months: 19 mm in January, 27 mm in February and 31 mm in December
  • Wettest months: 245 mm in August, 233 mm in July and 154 mm in September
  • Snowfall: 7,5 cm per year

Climate table South Korea

The climate table for South Korea shows the average temperatures, rainfall, snowfall, and UV index by month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 7 9 16 21 25 29 31 31 27 21 15 8
Nighttime temperature (°C) -5 -3 2 7 12 18 22 22 17 9 3 -2
Rainfall (mm) 19 27 63 88 78 107 233 245 154 79 37 31
Snowfall (cm) 2,5 1,3 2,3 0 0 0 0 0 0 0 0,5 0,9
UV Index 5 6 7 8 8 7 6 7 6 6 5 4
Best month No No No Yes Yes No No No No Yes No No

Temperature by month in South Korea

This graph shows the average high temperatures in degrees Celsius for each month in South Korea

Temperature by month in South Korea

Rainfall by month in South Korea

This graph shows the average monthly rainfall in millimeters in South Korea.

Rainfall by month in South Korea

Snowfall by month in South Korea

This graph shows the average snowfall in centimeters by month in South Korea.

Snowfall by month in South Korea

UV index by month in South Korea

This graph shows the average UV index by month in South Korea.

UV index by month in South Korea

Yearly temperature in South Korea

This graph shows the average yearly temperature in South Korea, measured in degrees Celsius.

Yearly temperature in South Korea

Yearly total rainfall in South Korea

This graph shows the average yearly rainfall in millimeters in South Korea.

Rainfall per year in South Korea

Yearly snowfall in South Korea

This graph shows the average yearly snowfall in South Korea, measured in centimeters.

Snowfall per year in South Korea

Weather experiences in South Korea

The weather in South Korea is rated 5 out of 5 stars by 1 visitor.

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Weather Experience: Excellent StarStarStarStarStar

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— This text has been automatically translated into English

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Average weather in South Korea by month

Click on a month below to see in detail how the weather typically is in South Korea and what to expect. Based on the historical weather data of South Korea, you can view the average temperature, rainfall, wind, and UV index for each day of the month.