Jeju City
August
Weather in Jeju City for August 2025
Your guide to Jeju City weather in August - trends and predictions
In general, the average temperature in Jeju City 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 City 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 City? check out the best time to travel to Jeju City page.
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8
Dry days
23
Rainy days
0
Snow days
30°/25°
Temperatures
15 km/h
Avg max wind
79 %
Avg humidity
Jeju City in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  32° | 2  31° | 3 31° | ||||
| 4  31° | 5 31° | 6 31° | 7 30° | 8 30° | 9 30° | 10 30° |
| 11 30° | 12  31° | 13 30° | 14 29° | 15 30° | 16 29° | 17  29° |
| 18 30° | 19 30° | 20 30° | 21  31° | 22 31° | 23 30° | 24 30° |
| 25  29° | 26  29° | 27 29° | 28 28° | 29 29° | 30 28° | 31  26° |
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Temperatures trend during August in Jeju City
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Sunny | 32° /26° | 0 mm | 8 | |
| 2 Aug. | Patchy rain possible | 31° /26° | 0.4 mm | 7 | |
| 3 Aug. | Patchy rain possible | 31° /26° | 0.1 mm | 7 | |
| 4 Aug. | Patchy light rain with thunder | 31° /26° | 3.1 mm | 7 | |
| 5 Aug. | Patchy light rain with thunder | 31° /26° | 7.7 mm | 7 | |
| 6 Aug. | Patchy rain possible | 31° /26° | 2.7 mm | 7 | |
| 7 Aug. | Patchy rain possible | 30° /26° | 0.1 mm | 7 | |
| 8 Aug. | Patchy rain possible | 30° /25° | 1 mm | 7 | |
| 9 Aug. | Patchy rain possible | 30° /25° | 1.4 mm | 7 | |
| 10 Aug. | Light rain shower | 30° /25° | 1.8 mm | 7 | |
| 11 Aug. | Light rain shower | 30° /26° | 0.9 mm | 7 | |
| 12 Aug. | Partly cloudy | 31° /25° | 0 mm | 8 | |
| 13 Aug. | Patchy rain possible | 30° /24° | 0.3 mm | 7 | |
| 14 Aug. | Light rain shower | 29° /23° | 17.5 mm | 6 | |
| 15 Aug. | Light rain shower | 30° /23° | 9.2 mm | 7 | |
| 16 Aug. | Patchy light rain with thunder | 29° /23° | 18.8 mm | 6 | |
| 17 Aug. | Moderate or heavy rain with thunder | 29° /24° | 9.6 mm | 6 | |
| 18 Aug. | Patchy rain possible | 30° /24° | 1.6 mm | 7 | |
| 19 Aug. | Light rain shower | 30° /25° | 6.7 mm | 7 | |
| 20 Aug. | Light rain shower | 30° /25° | 3.6 mm | 7 | |
| 21 Aug. | Moderate rain at times | 31° /25° | 3.8 mm | 7 | |
| 22 Aug. | Patchy rain possible | 31° /25° | 2.8 mm | 7 | |
| 23 Aug. | Moderate or heavy rain shower | 30° /24° | 9.6 mm | 7 | |
| 24 Aug. | Moderate rain at times | 30° /25° | 3.2 mm | 7 | |
| 25 Aug. | Cloudy | 29° /24° | 0.1 mm | 6 | |
| 26 Aug. | Overcast | 29° /22° | 0.9 mm | 6 | |
| 27 Aug. | Patchy rain possible | 29° /23° | 1.7 mm | 7 | |
| 28 Aug. | Patchy rain possible | 28° /23° | 5.2 mm | 6 | |
| 29 Aug. | Light rain shower | 29° /24° | 7.6 mm | 7 | |
| 30 Aug. | Moderate or heavy rain shower | 28° /23° | 12.1 mm | 6 | |
| 31 Aug. | Light drizzle | 26° /22° | 1.4 mm | 7 | |
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Important Notice
Our weather forecast for Jeju City 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 City forecast closer to your planned date for the most up-to-date weather information.
Jeju City in August - FAQ
What are the expected maximum and minimum temperatures in Jeju City 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 City during August?
Significant rainfall exceeding 156.8 mm is expected in Jeju City 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 City during August?
The average wind speed in Jeju City during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Jeju City in August?
As you prepare for your trip to Jeju City 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 City, 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
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