Jeju

Jeju Island Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Jeju Island, South Korea in August.

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Are you planning a trip a to Jeju Island, South Korea in August and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Jeju Island in August

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

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 25°C (77°F) in Jeju. On average, August is the warmest month of the year in Jeju Island, South Korea. So be prepared and pack summer clothes.

For specific regional insights in Jeju Island, South Korea, refer to the map provided below.

Precipitation

In August, precipitation varies across different areas. From heavy rainfall in Jeju with an average of 175 mm (6.9 in) to heavy rainfall in Seogwipo with 229 mm (9 in).

Average sunshine

August brings good sunshine to many areas. Jeju sees around 193 hours of sunlight, great for visitors looking for bright days.

Explore Jeju Island by month

Pick a month to see the average temperature, rainfall and sunshine in Jeju Island - and find the best time to visit. (based on Jeju)

Best Places to Visit in Jeju Island in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Jeju Island.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Jeju Island

What is the weather like in August for some of the most popular destinations in Jeju Island, South Korea?

Temperature range in Jeju Island (August)

Precipitation variation in Jeju Island (August)

Jeju

In August Jeju generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are very good that month.

July
August
September
Max temperature
28°C (82°F)
29°C (84°F)
26°C (79°F)
Min temperature
24°C (75°F)
25°C (77°F)
22°C (72°F)
Monthly sun hours
195 hours
193 hours
162 hours
Monthly rainfall
189 mm (7.4 in)
175 mm (6.9 in)
178 mm (7 in)
Monthly rainy days
15 days
13 days
11 days
Weather conditions

Seogwipo

In August Seogwipo generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

July
August
September
Max temperature
29°C (84°F)
30°C (86°F)
27°C (81°F)
Min temperature
24°C (75°F)
25°C (77°F)
21°C (70°F)
Monthly sun hours
142 hours
186 hours
176 hours
Monthly rainfall
233 mm (9.2 in)
229 mm (9 in)
200 mm (7.9 in)
Monthly rainy days
15 days
13 days
11 days
Weather conditions

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

Popular cities in August

Day & night temperatures, rainfall and average weather in Jeju Island in August.

City Weather Day temp Night temp Rainfall
Jeju 29°C (84°F) 25°C (77°F) 175 mm (6.9 in)
Seogwipo 30°C (86°F) 25°C (77°F) 229 mm (9 in)

Jeju Island weather in August: frequently asked questions

What is the weather like in Jeju Island, South Korea in August?

Expect very good weather across Jeju Island, South Korea in August. The popular destination of Jeju averages 29°C (84°F) by day and 25°C (77°F) at night during this summer month.

What is the average temperature in Jeju Island, South Korea in August?

In Jeju, the average daytime high in August is 29°C (84°F), while nighttime temperatures drop to around 25°C (77°F).

Does Jeju Island, South Korea get a lot of rain in August?

Yes. August brings heavy rainfall to Jeju Island, South Korea, with Jeju averaging around 175 mm (6.9 in). Expect frequent showers and pack accordingly.

Is August a Good Time to Visit Jeju Island, South Korea?

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

On average, the best time to visit Jeju Island, South Korea is in October with generally excellent weather in Jeju. On the other hand, the weather in January and February tend to be less favorable.

Interested in more climate information?

We have much more information about the climate in Jeju Island.

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 travel conditions. Find out where to go with our weather planner.

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Need travel inspiration? Check out our bucket list articles and be inspired.