South KoreaThe weather in August in Seoul
It's hot in August in Seoul with an average temperature of 31°C. Temperatures this month range from a low of 27°C to a high of 34°C. At night, you can expect temperatures between 20°C and 26°C.
Looking for sun? August isn’t a good month to be in Seoul. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Seoul, 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 39°C in 2018, Seoul reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 20°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 29°C.
Rainfall amount
In August, there is an average of 413 mm of precipitation, spread over 26 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in August for Seoul
Click on any day in August to get detailed info about the usual weather on that day in Seoul. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Seoul | New York | |
|---|---|---|
| Average temperature | 31°C | 30°C |
| Max. temperature | 34°C | 31°C |
| Min. temperature | 20°C | -5°C |
| Total precipitation | 413 mm | 79 mm |
| Rainy days | 26 days | 13 days |
Start of August
The month of August starts in Seoul with hot temps, averaging around 33°C during the day and nights around 26°C.
Mid August
By mid-August, daytime temps drop to around 31°C, with nights around 24°C. There’s a high chance of precipitation during this time.
End of August
By the end of August, the average daytime temperature in Seoul is around 29°C, while nighttime temps are about 22°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 8 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 Seoul for all months and discover the best travel time
Curious about the weather in other parts of South Korea? Check out the climate and weather for spots like Busan, or explore other destinations in South Korea.
Temperature charts
These charts show the average temperatures in August in Seoul, South Korea. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Seoul
Temperature in August in Seoul over the years
Precipitation charts
These charts show the average amount of precipitation in August in Seoul, 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 August in Seoul
Total precipitation in August in Seoul over the years
Daily UV index in August in Seoul
This chart shows the average daily UV index in August in Seoul, 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 August in Seoul
The weather in August in Seoul is rated 3 out of 5 stars by 1 visitor. Have you been to Seoul? Share your weather experience to help other visitors.
Write your own review
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 year.— This text is automatically translated to English
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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.