South Korea

South Korea Weather in August

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

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

What to Expect in South Korea in August

August in South Korea generally has temperatures that range from warm to very warm, with heavy precipitation. August is a summer month.

Temperatures

The average maximum daytime temperatures vary from warm in Gangneung at 27°C (81°F) to very warm in Daegu at 32°C (90°F). Nighttime temperatures generally drop to 22°C (72°F) in Daegu and 22°C (72°F) in Gangneung. On average, August is the warmest month of the year in South Korea. So be prepared and pack summer clothes.

To explore the conditions in South Korea in more detail, check the map 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 Sancheong with 360 mm (14 in).

Average sunshine

Most areas see decent amounts of sunshine this month. Seoul gets around 154 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore South Korea by month

Best Places to Visit in South Korea in August

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

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 South Korea

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

Temperature range in South Korea (August)

Precipitation variation in South Korea (August)

Seoul

In August Seoul generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
30°C (86°F)
31°C (88°F)
27°C (81°F)
Min temperature
22°C (72°F)
22°C (72°F)
17°C (63°F)
Monthly sun hours
124 hours
154 hours
182 hours
Monthly rainfall
316 mm (12 in)
260 mm (10 in)
128 mm (5 in)
Monthly rainy days
16 days
13 days
9 days
Weather conditions

Busan

In August Busan generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
28°C (82°F)
29°C (84°F)
26°C (79°F)
Min temperature
23°C (73°F)
24°C (75°F)
21°C (70°F)
Monthly sun hours
173 hours
200 hours
172 hours
Monthly rainfall
233 mm (9.2 in)
204 mm (8 in)
171 mm (6.7 in)
Monthly rainy days
14 days
12 days
11 days
Weather conditions

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 pleasant 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 poor 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

Incheon

In August Incheon generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
28°C (82°F)
29°C (84°F)
26°C (79°F)
Min temperature
22°C (72°F)
23°C (73°F)
19°C (66°F)
Monthly sun hours
161 hours
192 hours
202 hours
Monthly rainfall
302 mm (12 in)
243 mm (9.6 in)
128 mm (5 in)
Monthly rainy days
15 days
13 days
8 days
Weather conditions

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

Popular cities in August

Day & night temperatures, rainfall and average weather in South Korea in August.

City Weather Day temp Night temp Rainfall
Seoul 31°C (88°F) 22°C (72°F) 260 mm (10 in)
Busan 29°C (84°F) 24°C (75°F) 204 mm (8 in)
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)
Incheon 29°C (84°F) 23°C (73°F) 243 mm (9.6 in)
Sokcho 27°C (81°F) 22°C (72°F) 205 mm (8.1 in)

South Korea weather in August: frequently asked questions

What is the weather like in South Korea in August?

South Korea typically experiences poor weather in August, part of the summer season. Daytime highs in Seoul average around 31°C (88°F), and temperatures drop to about 22°C (72°F) at night.

What is the average temperature in South Korea in August?

Seoul averages a daytime maximum of 31°C (88°F) in August, with overnight lows close to 22°C (72°F).

Does South Korea get a lot of rain in August?

Rainfall in South Korea peaks during August. Seoul averages roughly 260 mm (10 in), so frequent and sometimes heavy showers are the norm.

Is August a Good Time to Visit South Korea?

In our view, August might not be the best time to travel to South Korea with often poor weather in Seoul.

Generally speaking, May and October provide perfect weather in Seoul. The weather in January, July and August, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in South Korea.

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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