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Weather in South Korea for August 2026

Your guide to South Korea weather in August - trends and predictions

    Temperatures

  • So far, August 2026 in South Korea is slightly warmer than the historical average by 1.4 °C.

  • The forecast for the next days in South Korea predicts temperatures to be around 31 °C, close to the historical average.

  • In general, the average temperature in South Korea at the beginning of August is 33 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 31.9 °C by the end of August.

  • Rain 🌧️

  • South Korea in August brings notable rainfall, with an average of 18 rainy days and a total precipitation of 357.3 mm.

Average dry days
13
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/23°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
73 %
Avg humidity

South Korea Weather August

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Temperatures trend during August in South Korea

See the weather trend as well as the moving average line

August weather in South Korea day by day

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Date Weather Temperatures Rain UV More
1 Aug. Moderate rain at times
Moderate rain at times
33° /25° 5.9 mm 7
2 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
32° /25° 4.4 mm 8
3 Aug. Partly cloudy
Partly cloudy
33° /24° 1.4 mm 8
4 Aug. Patchy rain possible
Patchy rain possible
33° /24° 3.2 mm 7
5 Aug. Patchy rain possible
Patchy rain possible
34° /25° 2.7 mm 8
6 Aug. Patchy rain possible
Patchy rain possible
33° /25° 12.3 mm 8
7 Aug. Patchy rain possible
Patchy rain possible
33° /25° 3.5 mm 8
8 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /23° 12.6 mm 7
9 Aug. Cloudy
Cloudy
30° /22° 22.1 mm 8
10 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /22° 44.6 mm 8
11 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /23° 18.8 mm 7
12 Aug. Cloudy
Cloudy
31° /22° 3 mm 8
13 Aug. Cloudy
Cloudy
30° /22° 17.1 mm 7
14 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /23° 7.6 mm 7
15 Aug. Partly cloudy
Partly cloudy
30° /23° 6.7 mm 7
16 Aug. Patchy rain possible
Patchy rain possible
31° /23° 4 mm 7
17 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /22° 4.5 mm 6
18 Aug. Patchy rain possible
Patchy rain possible
31° /22° 1.9 mm 7
19 Aug. Patchy rain possible
Patchy rain possible
31° /23° 0.4 mm 6.7
20 Aug. Overcast
Overcast
25° /21° 1.7 mm 0.8
21 Aug. Patchy rain possible
Patchy rain possible
27° /21° 2.5 mm 3.6
22 Aug. Overcast
Overcast
31° /23° 0 mm 6.7
23 Aug. Sunny
Sunny
34° /24° 0 mm 7.4
24 Aug. Overcast
Overcast
33° /25° 0 mm 8
25 Aug. Sunny
Sunny
35° /25° 0.1 mm 8
26 Aug. Patchy rain possible
Patchy rain possible
32° /25° 1.6 mm 8
27 Aug. Overcast
Overcast
31° /24° 0.1 mm 7
28 Aug. Light rain shower
Light rain shower
31° /24° 8.8 mm 8
29 Aug. Overcast
Overcast
29° /21° 0 mm 6
30 Aug. Overcast
Overcast
32° /22° 0 mm 8
31 Aug. Sunny
Sunny
33° /22° 0 mm 8
Next
Important Notice
Our weather forecast for South Korea in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the South Korea forecast closer to your planned date for the most up-to-date weather information.

Guide for South Korea in August

August in South Korea is characterized by hot and humid weather, as it falls in the midst of the summer season. At the beginning of August, temperatures in Seoul typically range from 24° to 30°, with high humidity levels making the air feel even warmer.

This period is also marked by the tail end of the monsoon season, known locally as "jangma," which can bring heavy rainfall and occasional thunderstorms. Cities like Busan and Incheon experience similar weather patterns, with temperatures hovering around 25° to 31°.

As August progresses, the monsoon rains begin to taper off, but the heat remains intense. By the end of August, the weather in places like Jeju Island can still be quite warm, with temperatures ranging from 23° to 29°.

The humidity levels remain high, although the frequency of rain showers decreases compared to the beginning of the month.

Travelers should be prepared for the possibility of typhoons, which can occasionally affect the Korean Peninsula during August. These storms can bring strong winds and heavy rain, potentially disrupting travel plans.

Despite the challenging weather conditions, August is a vibrant time in South Korea, with numerous cultural festivals and events taking place, offering a unique experience for those who choose to visit.

South Korea in August - FAQ

What are the expected maximum and minimum temperatures in South Korea during August?

During August, expect a variety of temperatures with highs around 30° and lows near 23°, suitable for diverse activities and preferences.

How much rainfall should be expected in South Korea during August?

Significant rainfall exceeding 357.3 mm is expected in South Korea during August, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in South Korea during August?

The average wind speed in South Korea during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in South Korea

Explore the daily rainfall trends and prepare for South Koreas August weather 💧
Typically, South Korea has 18 rainy days in August with a total of 357.3 mm of rainfall.

UV exposure in South Korea during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is South Korea?

Get accurate weather forecasts for South Korea, located at latitude 37.566 and longitude 126.978. Stay updated with localized weather information tailored for South Korea.

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