Weather in Iwakuni for August 2026
The forecast for the first days of August 2026 in Iwakuni predicts temperatures to be around 31 °C, close to the historical average.
In general, the average temperature in Iwakuni at the beginning of August is 30.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.4 °C by the end of August.
Iwakuni experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 203.9 mm.
Is August a good time to visit Iwakuni? check out the best time to travel to Iwakuni page.
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Iwakuni Weather August
Temperatures trend during August in Iwakuni
August weather in Iwakuni day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 31° /24° | 0 mm | 8 | |
| 2 Aug. | Sunny | 31° /24° | 0 mm | 8 | |
| 3 Aug. | Sunny | 31° /24° | 0.1 mm | 8 | |
| 4 Aug. |  Moderate or heavy rain shower | 30° /23° | 7.8 mm | 7 | |
| 5 Aug. |  Patchy rain possible | 31° /24° | 3.4 mm | 7 | |
| 6 Aug. | Patchy rain possible | 31° /24° | 2.9 mm | 7 | |
| 7 Aug. | Patchy rain possible | 31° /24° | 3.8 mm | 7 | |
| 8 Aug. | Patchy rain possible | 30° /23° | 2.7 mm | 7 | |
| 9 Aug. | Light rain shower | 29° /23° | 11.8 mm | 7 | |
| 10 Aug. | Sunny | 28° /23° | 38.3 mm | 7 | |
| 11 Aug. | Sunny | 28° /23° | 25.5 mm | 7 | |
| 12 Aug. | Sunny | 30° /23° | 4.4 mm | 7 | |
| 13 Aug. | Patchy rain possible | 30° /23° | 1.1 mm | 7 | |
| 14 Aug. | Patchy rain possible | 31° /24° | 2.4 mm | 7 | |
| 15 Aug. | Patchy rain possible | 31° /23° | 1.9 mm | 7 | |
| 16 Aug. | Patchy rain possible | 31° /24° | 1.9 mm | 7 | |
| 17 Aug. | Sunny | 31° /24° | 2.7 mm | 8 | |
| 18 Aug. |  Partly cloudy | 30° /24° | 1.8 mm | 8 | |
| 19 Aug. | Light rain shower | 30° /24° | 0.8 mm | 6 | |
| 20 Aug. | Light rain shower | 30° /24° | 0.9 mm | 7 | |
| 21 Aug. | Patchy rain possible | 30° /24° | 1 mm | 7 | |
| 22 Aug. | Light rain shower | 30° /24° | 2.2 mm | 7 | |
| 23 Aug. | Patchy rain possible | 30° /25° | 5.1 mm | 7 | |
| 24 Aug. | Patchy rain possible | 31° /24° | 4.1 mm | 7 | |
| 25 Aug. |  Patchy light rain | 30° /24° | 6.3 mm | 7 | |
| 26 Aug. | Patchy rain possible | 30° /23° | 4.1 mm | 7 | |
| 27 Aug. | Patchy rain possible | 30° /24° | 11.5 mm | 7 | |
| 28 Aug. | Light rain shower | 29° /23° | 6.2 mm | 6 | |
| 29 Aug. | Light rain shower | 28° /23° | 3.3 mm | 7 | |
| 30 Aug. | Light rain shower | 28° /24° | 42.6 mm | 7 | |
| 31 Aug. |  Thundery outbreaks possible | 31° /23° | 1.3 mm | 8 | |
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Iwakuni weather in August vs July vs September
| July | August | September | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/22° | 30°/24° | 28°/22° |
| Rainfall | 158 mm | 204 mm | 111 mm |
| Wind | 10.7 km/h | 10.9 km/h | 11.9 km/h |
| Humidity | 82% | 80% | 81% |
| Rainy days | 17 days | 27 days | 24 days |
| Dry days | 14 days | 4 days | 6 days |
Planning a trip to Iwakuni? Discover the best time to visit
Iwakuni in August - FAQ
What are the expected maximum and minimum temperatures in Iwakuni during August?
How much rainfall should be expected in Iwakuni during August?
What are the typical wind conditions in Iwakuni during August?
August rainfall patterns in Iwakuni
UV exposure in Iwakuni during August
What to pack to Iwakuni in August?
Warm & sunny · highs around 30 °C, frequent showers
As you prepare for your trip to Iwakuni 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 Iwakuni, during August, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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Where is Iwakuni?Get accurate weather forecasts for Iwakuni, located at latitude 34.163 and longitude 132.22. Stay updated with localized weather information tailored for Iwakuni.