What’s the climate like in Seoul?
The current climate of Seoul features average monthly temperatures ranging from highs of 31°C during the day to lows of 6°C. 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.
The highest temperature recorded in Seoul in recent years was 39°C in August 2018. The lowest daytime temperature recorded was -12°C in January 2021.
On average, Seoul gets 1568 mm of precipitation each year. Of this, about 12 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Curious about the climate in other parts of South Korea? Check out the weather and climate in places like Busan, or have a look at other destinations in South Korea.
Best time to visit Seoul?
The best time to visit Seoul for pleasant to warm weather is April through June, September and October. There might be some rain during this period, but the temperatures are just right for exploring Seoul.
Climate Table of Seoul
The climate table of Seoul shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
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 |
Precipitation | ||||||||||||
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.
- Average yearly temperature: 20°C
- Highest temperature: 31°C in July and August
- Lowest temperature: 6°C in January, February and December
- Precipitation*: 1568 mm per year, averaging 131 mm per month
- Snowfall: 12 cm per year
- Driest months: 30 mm in December, 31 mm in January and 39 mm in February
- Wettest months: 413 mm in August, 267 mm in July and 149 mm in September
*Precipitation is measured as a combination of rain, snow, and hail
Weather experiences in Seoul
It feels warmer than it indicates in degrees , when the sun ... more
Very little rain and lots of sunshine!... more
Table of Contents
Average Temperature per Month in Seoul
This graph shows the average maximum temperatures per month in Seoul, South Korea. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Seoul
This graph shows how much precipitation Seoul, South Korea, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Seoul
This graph shows how much snow Seoul, South Korea, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Seoul
This graph shows the average UV index per month in Seoul, South Korea. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Seoul
This graph shows the average yearly temperature in Seoul, South Korea. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Seoul
This chart shows the total yearly precipitation in Seoul, South Korea, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Seoul
This chart shows the total yearly snowfall in Seoul, South Korea, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Seoul
The weather in Seoul is rated an average of 3,6 out of 5 stars by 13 visitors. Have you been to Seoul? Share your weather experience to help other visitors.
Write your own reviewIt feels warmer than it indicates in degrees , when the sun shines it is very powerful— This text is automatically translated to English
Very little rain and lots of sunshine!— This text is automatically translated to English
Although the sun shone brightly, it was often interrupted by unexpected rain showers. The heat was uncomfortable at times.— This text is automatically translated to English
February in Seoul was cold, with temperatures often around freezing. Occasionally the sun shone, but mostly it was cloudy. Expect real winter weather, not a sunny location.— This text is automatically translated to English
Although the snowy landscape was beautiful, the extreme cold caused problems.— This text is automatically translated to English
Even though the rain can be a bit oppressive, it makes nature lush and green. The temperature is high and reasonably comfortable.— This text is automatically translated to English
December in Seoul is cold but picturesque, with the city covered in snow. Ideal for winter lovers rather than sun worshippers. Good winter clothing is a must!— This text is automatically translated to English
November in Seoul is cool but very refreshing. The golden yellow of late summer fades into winter, creating beautiful scenes. Despite the rain, we enjoyed it immensely!— This text is automatically translated to English
Warm but not too hot, about 25 degrees. Fairly sunny, but occasionally rainy. Not exactly a seaside resort, but fine for exploring the city.— This text is automatically translated to English
August in Seoul can be quite humid and hot. It rained a lot during my stay, which was unfortunate, but the city itself is beautiful. I would recommend visiting at another time of the year.— This text is automatically translated to English
October in Seoul was mild with a few rainy days. The colour palette of the leaves was breathtaking. Not ideal for beach lovers, but fine for a city break.— This text is automatically translated to English
Moderate spring temperatures of 10-20 degrees are ideal for sightseeing. A few rainy days, but mostly sunny. Not a typical place for sun or winter sports, but fun.— This text is automatically translated to English
The day was sunny with light rain. This is an ideal time for sightseeing and attending festivals. A light jacket may be needed in the evening.— This text is automatically translated to English
Have you been to Seoul?
Share your weather experiences in Seoul.
Average Weather in Seoul by Month
Click on a month below to see detailed weather info for Seoul. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
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