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Jeju Island weather in August

Planning a journey to Jeju Island this August and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Jeju Island in August?

Jeju Island is a region in South Korea. August in Jeju Island generally has warm temperatures, with heavy precipitation. During August, summer is in full swing.

You can expect warm maximum daytime temperatures of around 29°C and nighttime temperatures around 25°C in Jeju. On average, August is the warmest month of the year in Jeju Island. So be prepared and pack summer clothes.

In August, precipitation varies across different areas. From heavy rainfall in Jeju with an average of 175 mm to heavy rainfall in Seogwipo with 229 mm. Meanwhile, Jeju enjoys close to 193 hours of sunlight. This means it's a great month if you prefer bright and sunny days.

For a closer look at August's conditions in Jeju Island, see the map below. For a more detailed look at Jeju Island's yearly weather, check out our Jeju Island climate page.

Where to go in Jeju Island in August

Find the average weather conditions in August for the most popular destinations in Jeju Island on the map below. Click on a destination dot for more detailed information.

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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).

Popular destinations in Jeju Island

What is the weather like in August for the 2 most popular destinations in Jeju Island?

Average weather in Jeju

In August Jeju generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are pleasant that month.

Jeju
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
28°C 
24°C 
195 hours 
189 mm 
15 days 
29°C 
25°C 
193 hours 
175 mm 
13 days 
26°C 
22°C 
162 hours 
178 mm 
11 days 
Climate in Jeju

Average weather in Seogwipo

In August Seogwipo generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.

Seogwipo
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
29°C 
24°C 
142 hours 
233 mm 
15 days 
30°C 
25°C 
186 hours 
229 mm 
13 days 
poor 
27°C 
21°C 
176 hours 
200 mm 
11 days 
Climate in Seogwipo

Is your destination not in the list? Have a look at other destinations in Jeju Island, in South Korea.

Is August the best time to visit Jeju Island?

In our opinion, August is a good time to visit Jeju Island with overall pleasant weather in Jeju. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Jeju Island is in October with generally perfect weather in Jeju. On the other hand, the weather in January and February tend to be poor.

Interested in more climate information?

We have much more information about the climate in Jeju Island. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to South Korea? Get detailed 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 climate conditions. Find out where to go with our weather planner.