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Weather in Seoul for August 2025

Your guide to Seoul weather in August - trends and predictions
  • In general, the average temperature in Seoul at the beginning of August is 33.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29.1 °C by the end of August.

  • Seoul experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.

  • Is August a good time to visit Seoul? check out the best time to travel to Seoul page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
10
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/23°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Seoul in August average weather

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Temperatures trend during August in Seoul

See the weather trend as well as the moving average line
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August weather day by day

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Date Weather Temperatures Rain UV More
1 Aug. Patchy rain possible
Patchy rain possible
33° /25° 0.6 mm 7
2 Aug. Sunny
Sunny
33° /25° 2 mm 8
3 Aug. Partly cloudy
Partly cloudy
33° /24° 0 mm 8
4 Aug. Sunny
Sunny
34° /25° 0.1 mm 8
5 Aug. Sunny
Sunny
34° /26° 4 mm 8
6 Aug. Patchy rain possible
Patchy rain possible
35° /26° 0.6 mm 8
7 Aug. Patchy rain possible
Patchy rain possible
34° /25° 3.4 mm 8
8 Aug. Patchy rain possible
Patchy rain possible
31° /22° 8.6 mm 7
9 Aug. Overcast
Overcast
33° /23° 2.5 mm 8
10 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /23° 95.8 mm 6
11 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /23° 18.3 mm 6
12 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /23° 8.8 mm 6
13 Aug. Overcast
Overcast
31° /23° 3.6 mm 7
14 Aug. Patchy rain possible
Patchy rain possible
33° /24° 6.6 mm 7
15 Aug. Partly cloudy
Partly cloudy
33° /24° 6.6 mm 8
16 Aug. Patchy rain possible
Patchy rain possible
32° /24° 6 mm 7
17 Aug. Patchy rain possible
Patchy rain possible
32° /23° 5.8 mm 7
18 Aug. Patchy rain possible
Patchy rain possible
32° /24° 4.4 mm 7
19 Aug. Patchy rain possible
Patchy rain possible
33° /24° 2.9 mm 7
20 Aug. Partly cloudy
Partly cloudy
32° /24° 5 mm 8
21 Aug. Patchy rain possible
Patchy rain possible
30° /24° 44.1 mm 7
22 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /23° 18.6 mm 6
23 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
27° /22° 53.2 mm 6
24 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /22° 24.9 mm 7
25 Aug. Patchy rain possible
Patchy rain possible
31° /22° 0.3 mm 7
26 Aug. Cloudy
Cloudy
30° /22° 1.8 mm 7
27 Aug. Overcast
Overcast
28° /22° 0.5 mm 6
28 Aug. Light rain shower
Light rain shower
29° /20° 1.5 mm 7
29 Aug. Light rain shower
Light rain shower
28° /21° 18.3 mm 7
30 Aug. Light rain shower
Light rain shower
28° /21° 11.3 mm 7
31 Aug. Patchy rain possible
Patchy rain possible
30° /21° 0.6 mm 7
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Important Notice
Our weather forecast for Seoul 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 Seoul forecast closer to your planned date for the most up-to-date weather information.

Guide for Seoul in August

In August, Seoul, South Korea experiences the peak of its summer season, characterized by hot and humid conditions. At the beginning of the month, temperatures typically range from 24° during the early morning hours to around 32° in the afternoon.

The humidity levels are high, often exceeding 80%, which can make the heat feel more intense. Rainfall is also common in early August due to the East Asian monsoon season, with frequent afternoon thunderstorms and occasional heavy downpours.

As the month progresses, the weather remains warm but starts to show subtle signs of transitioning towards autumn. By the end of August, temperatures slightly decrease, with morning lows around 22° and afternoon highs reaching approximately 30°.

The humidity levels remain elevated, but the frequency of rainfall begins to diminish compared to the beginning of the month. The skies often clear up more towards late August, offering more sunny days and less cloud cover.

Overall, August in Seoul is marked by hot, humid, and occasionally rainy weather, with a slight cooling trend and reduced precipitation towards the end of the month. Visitors should be prepared for the heat and humidity, and it is advisable to carry an umbrella or raincoat for sudden showers.

Seoul in August - FAQ

Is August a good time to visit Seoul?
Yes, August is a good time to traveling to Seoul, read more about the best time to visit Seoul.
What are the expected maximum and minimum temperatures in Seoul 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 Seoul during August?
Significant rainfall exceeding 496.8 mm is expected in Seoul during August, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Seoul during August?
The average wind speed in Seoul during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Seoul in August?

As you prepare for your trip to Seoul in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Seoul, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips
    • Insect Repellent: For destinations with mosquitos or other insects

August rainfall patterns in Seoul

Explore the daily rainfall trends and prepare for Seouls August weather 💧

UV exposure in Seoul during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Seoul?

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

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