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Weather in Jeju-do for August 2025

Your guide to Jeju-do weather in August - trends and predictions
  • In general, the average temperature in Jeju-do at the beginning of August is 31 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28.3 °C by the end of August.

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

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
8
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/25°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Jeju-do in August average weather

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Temperatures trend during August in Jeju-do

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. Sunny
Sunny
32° /26° 0 mm 8
2 Aug. Patchy rain possible
Patchy rain possible
31° /26° 0.4 mm 7
3 Aug. Patchy rain possible
Patchy rain possible
31° /26° 0.1 mm 7
4 Aug. Patchy light rain with thunder
Patchy light rain with thunder
31° /26° 3.1 mm 7
5 Aug. Patchy light rain with thunder
Patchy light rain with thunder
31° /26° 7.7 mm 7
6 Aug. Patchy rain possible
Patchy rain possible
31° /26° 2.7 mm 7
7 Aug. Patchy rain possible
Patchy rain possible
30° /26° 0.1 mm 7
8 Aug. Patchy rain possible
Patchy rain possible
30° /25° 1 mm 7
9 Aug. Patchy rain possible
Patchy rain possible
30° /25° 1.4 mm 7
10 Aug. Light rain shower
Light rain shower
30° /25° 1.8 mm 7
11 Aug. Light rain shower
Light rain shower
30° /26° 0.9 mm 7
12 Aug. Partly cloudy
Partly cloudy
31° /25° 0 mm 8
13 Aug. Patchy rain possible
Patchy rain possible
30° /24° 0.3 mm 7
14 Aug. Light rain shower
Light rain shower
29° /23° 17.5 mm 6
15 Aug. Light rain shower
Light rain shower
30° /23° 9.2 mm 7
16 Aug. Patchy light rain with thunder
Patchy light rain with thunder
29° /23° 18.8 mm 6
17 Aug. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
29° /24° 9.6 mm 6
18 Aug. Patchy rain possible
Patchy rain possible
30° /24° 1.6 mm 7
19 Aug. Light rain shower
Light rain shower
30° /25° 6.7 mm 7
20 Aug. Light rain shower
Light rain shower
30° /25° 3.6 mm 7
21 Aug. Moderate rain at times
Moderate rain at times
31° /25° 3.8 mm 7
22 Aug. Patchy rain possible
Patchy rain possible
31° /25° 2.8 mm 7
23 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /24° 9.6 mm 7
24 Aug. Moderate rain at times
Moderate rain at times
30° /25° 3.2 mm 7
25 Aug. Cloudy
Cloudy
29° /24° 0.1 mm 6
26 Aug. Overcast
Overcast
29° /22° 0.9 mm 6
27 Aug. Patchy rain possible
Patchy rain possible
29° /23° 1.7 mm 7
28 Aug. Patchy rain possible
Patchy rain possible
28° /23° 5.2 mm 6
29 Aug. Light rain shower
Light rain shower
29° /24° 7.6 mm 7
30 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
28° /23° 12.1 mm 6
31 Aug. Light drizzle
Light drizzle
26° /22° 1.4 mm 7
Next
Important Notice
Our weather forecast for Jeju-do 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 Jeju-do forecast closer to your planned date for the most up-to-date weather information.

Jeju-do in August - FAQ

What are the expected maximum and minimum temperatures in Jeju-do during August?
During August, expect a variety of temperatures with highs around 30° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jeju-do during August?
Significant rainfall exceeding 156.8 mm is expected in Jeju-do during August, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jeju-do during August?
The average wind speed in Jeju-do during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Jeju-do in August?

As you prepare for your trip to Jeju-do 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 Jeju-do, 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 Jeju-do

Explore the daily rainfall trends and prepare for Jeju-dos August weather 💧

UV exposure in Jeju-do during August

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

Get accurate weather forecasts for Jeju-do, located at latitude 33.51 and longitude 126.522. Stay updated with localized weather information tailored for Jeju-do.

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