Yamaguchi (Iwakuni)
August
Weather in Yamaguchi for August 2025
Your guide to Yamaguchi weather in August - trends and predictions
In general, the average temperature in Yamaguchi at the beginning of August is 30.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28.3 °C by the end of August.
Expect significant rainfall in Yamaguchi during August, with an average of 16 rainy days.
Is August a good time to visit Yamaguchi? check out the best time to travel to Yamaguchi page.
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Temperatures
Rain 🌧️
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15
Dry days
16
Rainy days
0
Snow days
30°/24°
Temperatures
11 km/h
Avg max wind
79 %
Avg humidity
Yamaguchi in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2 31° | 3  31° | ||||
| 4  30° | 5 30° | 6 31° | 7 31° | 8 31° | 9 31° | 10 30° |
| 11 30° | 12 30° | 13 30° | 14 31° | 15 31° | 16 32° | 17 31° |
| 18  30° | 19 30° | 20 30° | 21 30° | 22 30° | 23 31° | 24 31° |
| 25  30° | 26 29° | 27 29° | 28 28° | 29 25° | 30 26° | 31  31° |
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Temperatures trend during August in Yamaguchi
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 | 30° /23° | 0 mm | 8 | |
| 2 Aug. | Sunny | 31° /24° | 0 mm | 8 | |
| 3 Aug. | Patchy rain possible | 31° /24° | 4.5 mm | 7 | |
| 4 Aug. | Moderate or heavy rain shower | 30° /24° | 15.4 mm | 7 | |
| 5 Aug. | Patchy rain possible | 30° /24° | 5.9 mm | 7 | |
| 6 Aug. | Patchy rain possible | 31° /24° | 4.1 mm | 7 | |
| 7 Aug. | Patchy rain possible | 31° /24° | 0.7 mm | 7 | |
| 8 Aug. | Patchy rain possible | 31° /24° | 1.6 mm | 7 | |
| 9 Aug. | Light rain shower | 31° /24° | 6 mm | 7 | |
| 10 Aug. | Sunny | 30° /23° | 0 mm | 8 | |
| 11 Aug. | Sunny | 30° /22° | 0 mm | 8 | |
| 12 Aug. | Sunny | 30° /22° | 0 mm | 8 | |
| 13 Aug. | Patchy rain possible | 30° /23° | 0 mm | 7 | |
| 14 Aug. | Patchy rain possible | 31° /24° | 0.3 mm | 7 | |
| 15 Aug. | Patchy rain possible | 31° /24° | 0.3 mm | 7 | |
| 16 Aug. | Patchy rain possible | 32° /24° | 0 mm | 7 | |
| 17 Aug. | Sunny | 31° /24° | 0 mm | 8 | |
| 18 Aug. | Partly cloudy | 30° /24° | 0 mm | 8 | |
| 19 Aug. | Light rain shower | 30° /24° | 1.5 mm | 6 | |
| 20 Aug. | Light rain shower | 30° /24° | 0.9 mm | 7 | |
| 21 Aug. | Patchy rain possible | 30° /25° | 0.1 mm | 7 | |
| 22 Aug. | Light rain shower | 30° /25° | 4.4 mm | 7 | |
| 23 Aug. | Patchy rain possible | 31° /25° | 1.8 mm | 7 | |
| 24 Aug. | Patchy rain possible | 31° /25° | 2 mm | 7 | |
| 25 Aug. | Patchy light rain | 30° /24° | 6.4 mm | 7 | |
| 26 Aug. | Patchy rain possible | 29° /23° | 1.1 mm | 6 | |
| 27 Aug. | Patchy rain possible | 29° /25° | 0.9 mm | 6 | |
| 28 Aug. | Light rain shower | 28° /23° | 11.3 mm | 6 | |
| 29 Aug. | Light rain shower | 25° /23° | 6.5 mm | 6 | |
| 30 Aug. | Light rain shower | 26° /25° | 84.6 mm | 6 | |
| 31 Aug. | Thundery outbreaks possible | 31° /24° | 2.6 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Yamaguchi 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 Yamaguchi forecast closer to your planned date for the most up-to-date weather information.
Yamaguchi in August - FAQ
What are the expected maximum and minimum temperatures in Yamaguchi during August?
During August, expect a variety of temperatures with highs around 30° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Yamaguchi during August?
Significant rainfall exceeding 162.95 mm is expected in Yamaguchi during August, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Yamaguchi during August?
The average wind speed in Yamaguchi during August is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Yamaguchi in August?
As you prepare for your trip to Yamaguchi 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 Yamaguchi, 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 Yamaguchi
Explore the daily rainfall trends and prepare for Yamaguchis August weather 💧
UV exposure in Yamaguchi during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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