Jeju weather in August (Jeju Island, South Korea)

Will it be warm or cold in Jeju this August? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

August in Jeju generally includes high temperatures and heavy rainfall. During August, you’ll experience the summer season. Daytime temperatures generally peak at 29°C, but after sunset, they often decrease to around 25°C. This period is characterized by high temperatures, often making it the hottest month of the year. Dressing in light, airy clothing will help you stay cool and comfortable.

Precipitation

Jeju in August falls under the rainy season with heavy rainfall, averaging around 175 mm for the month. Historically, the month has about 13 days of rain.

Average sunshine

There are approximately 193 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If you prefer dry days with pleasant temperatures, October typically offers the best circumstances. While January and February tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Jeju climate page with graphs.

 

Jeju, monthly averages in August

Min Temperature 25°C  

Max Temperature 29°C  

Chance of Rain 42%  

Precipitation 175 mm  

Rainy days 13 days  

Humidity 76%  

Sunshine 193 hours  

Percentage Sunshine  

Where to go in South Korea in August

Find out more about the weather in South Korea and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Jeju.

Our site offers climate and forecast data for every country in the world. Are you going to South Korea? On this website you can find historical weather averages for many cities in South Korea. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.