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Busan in August: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Busan in August will be like? Take a look at our weather guide for Busan, based on historical data.
Check flight prices to Busan on Avionero:
August

Weather in Busan in August 2025

OK Weather
Warm
🌧️
Rainy
If you plan to visit Busan in August, the weather is typically alright, with an average high temperature of +82°F during the day and approximately 4 sunny days. Expect some rainy, though, as there are typically 18 rainy days in the month and around 197 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • August is usually the hottest month of the year in Busan;

Average weather

☀️
+82°F
Avg. max. temperature
+64°F
Min.
+100°F
Max.
197 mm
Total precipitation
81%
Avg. humidity
2 m/s
Avg. wind
4 ☀️
Sunny Days
8 ⛅️
Cloudy
18 🌦
Rainy
Our opinion: Busan has OK weather in August.

Average temperature in Busan in August

Here are the expected maximum, average and minimum temperatures in Busan for August based on the historical data.
Last Year
Historical Data

Going from a maximum of +88°F during the day to a minimum of +77°F during the night, the temperature in August averages around +84°F.

The average maximum temperature goes down 33% by the end of the month, compared with the beginning of the month, from +86°F to +82°F.

Is Busan warm or cold in August?

Busan is typically warm in August.

Maximum temperatures go up compared to the previous month from +79°F to +82°F. The minimum temperature also goes up from +73°F to +75°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

August is the hottest month in Busan, here is the comparison with other months:

Climate in Busan in August

Busan weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+79°F+82°F+77°F
Min. temperature
+63°F+64°F+54°F
Max. temperature
+95°F+100°F+91°F
Rainfall
233 mm197 mm165 mm
Wind
2 m/s2 m/s2 m/s
Humidity
84%81%77%
Air pressure
1007 HPa1008 HPa1012 HPa
Sunny days
245
Cloudy days
9810
Rainy days
191814
Snowy days
000

August weather is still as ok as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +79°F to +82°F during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 233 mm to 197 mm. It feels drier, as humidity decreases from 84% to 81%. The average wind speed doesn’t change much during August, staying around 2 m/s. The good news is there are likely to be more sunny days in August, from 2 to 4.

September brings much the same weather, it remains ok.

Wind

Wind speed in Busan in August based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Busan is gradually increasing during August, going from 2 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Busan based on historical data.
Last Year
Historical Data
Typically, there is a 58% chance of rain on an average day in August, with total rainfall of approximately 341 mm. The maximum amount of rainfall per day is around 119 mm, which is considered heavy rain. August is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
August is one of the rainiest months in Busan, here is a comparison with other months, total mm:
Busan wettest month is July, where a typical day has a 61% chance of precipitation and 233 mm of rainfall per day. December, on the other hand, is the driest month with a mere 16% chance of precipitation and 25 mm of rainfall per day.

How was the weather last August in Busan?

This is the weather in Busan in August 2023:
1 August
☁️
+85°F
2 August
☀️
+86°F
3 August
☀️
+87°F
4 August
☀️
+87°F
5 August
☀️
+87°F
6 August
☁️
+88°F
7 August
☁️
+87°F
8 August
☁️
+86°F
9 August
🌧️
+82°F
10 August
☁️
+82°F
11 August
☁️
+84°F
12 August
☁️
+83°F
13 August
☀️
+82°F
14 August
☁️
+83°F
15 August
☁️
+86°F
16 August
☁️
+81°F
17 August
☁️
+82°F
18 August
🌧️
+82°F
19 August
🌫️
+82°F
20 August
☀️
+85°F
21 August
☀️
+85°F
22 August
☀️
+85°F
23 August
☁️
+85°F
24 August
🌧️
+82°F
25 August
☀️
+83°F
26 August
☀️
+84°F
27 August
☁️
+82°F
28 August
☁️
+82°F
29 August
🌧️
+81°F
30 August
☁️
+82°F
31 August
🌧️
+82°F
In August 2023 Busan had 10 sunny days, 15 cloudy days, and 5 rainy days. The average maximum temperature was +84°F, with an absolute maximum of +88°F and a minimum of +81°F. The average humidity was 83%, with a maximum of 96% and a minimum of 59%. The average wind speed was 3 m/s, with a maximum of 16 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

Climate Change Over the Years

This is how Busan climate has changed over the last 43 years.

The climate in Busan in August has not changed that much over the last 43 years.

The average temperature was the lowest in 1980 (+60°F) and the highest in 2019 (+67°F). The driest year was 2008 with only 733 mm of rainfall, and the wettest year was 1999 with 2001 mm.

FAQ

Frequently asked questions about the weather in Busan in August:

Is August a good time to visit Busan?

It’s always a good time to visit Busan, but the weather is changeable in August, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Busan in August?

August is warm in Busan. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Busan rainy in August?

Busan is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Busan in August?

Usually, it’s not very sunny in Busan in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in South Korea

Check out the weather for other cities in South Korea.

Monthly weather in Busan

Source of the data

For this page, we’ve looked at the typical weather in Busan, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.