Hiroshima
August
Weather in Hiroshima for August 2025
Your guide to Hiroshima weather in August - trends and predictions
In general, the average temperature in Hiroshima at the beginning of August is 32.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29 °C by the end of August.
Expect significant rainfall in Hiroshima during August, with an average of 18 rainy days.
Is August a good time to visit Hiroshima? check out the best time to travel to Hiroshima page.
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13
Dry days
18
Rainy days
0
Snow days
31°/23°
Temperatures
11 km/h
Avg max wind
78 %
Avg humidity
Hiroshima in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  33° | 2 32° | 3  33° | ||||
| 4  31° | 5 32° | 6 32° | 7 32° | 8 33° | 9 32° | 10 33° |
| 11 31° | 12 31° | 13 32° | 14 32° | 15 33° | 16  33° | 17 33° |
| 18 31° | 19 30° | 20 31° | 21 30° | 22  31° | 23 31° | 24 31° |
| 25 30° | 26 30° | 27 31° | 28 29° | 29 25° | 30 27° | 31 31° |
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Temperatures trend during August in Hiroshima
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 | 33° /22° | 0 mm | 8 | |
| 2 Aug. | Sunny | 32° /23° | 0 mm | 8 | |
| 3 Aug. | Patchy rain possible | 33° /23° | 6.3 mm | 7 | |
| 4 Aug. | Moderate or heavy rain shower | 31° /23° | 19 mm | 7 | |
| 5 Aug. | Patchy rain possible | 32° /23° | 3.3 mm | 7 | |
| 6 Aug. | Moderate rain at times | 32° /24° | 4.3 mm | 7 | |
| 7 Aug. | Patchy rain possible | 32° /23° | 0.1 mm | 7 | |
| 8 Aug. | Patchy rain possible | 33° /23° | 0.9 mm | 7 | |
| 9 Aug. | Light rain shower | 32° /23° | 4.5 mm | 7 | |
| 10 Aug. | Sunny | 33° /22° | 0 mm | 8 | |
| 11 Aug. | Sunny | 31° /20° | 0 mm | 8 | |
| 12 Aug. | Patchy rain possible | 31° /21° | 0.1 mm | 7 | |
| 13 Aug. | Patchy rain possible | 32° /22° | 0.1 mm | 7 | |
| 14 Aug. | Patchy rain possible | 32° /24° | 0.2 mm | 7 | |
| 15 Aug. | Light rain shower | 33° /23° | 1.3 mm | 7 | |
| 16 Aug. | Partly cloudy | 33° /24° | 0 mm | 8 | |
| 17 Aug. | Partly cloudy | 33° /22° | 0 mm | 8 | |
| 18 Aug. | Partly cloudy | 31° /22° | 0 mm | 8 | |
| 19 Aug. | Patchy rain possible | 30° /23° | 0.7 mm | 7 | |
| 20 Aug. | Patchy rain possible | 31° /23° | 2.2 mm | 7 | |
| 21 Aug. | Patchy rain possible | 30° /24° | 0.1 mm | 7 | |
| 22 Aug. | Patchy light drizzle | 31° /24° | 1.3 mm | 7 | |
| 23 Aug. | Patchy rain possible | 31° /24° | 1.1 mm | 7 | |
| 24 Aug. | Patchy rain possible | 31° /23° | 2.1 mm | 7 | |
| 25 Aug. | Light drizzle | 30° /23° | 6 mm | 7 | |
| 26 Aug. | Patchy rain possible | 30° /23° | 2.6 mm | 7 | |
| 27 Aug. | Patchy rain possible | 31° /24° | 0.2 mm | 7 | |
| 28 Aug. | Light rain shower | 29° /22° | 15.1 mm | 6 | |
| 29 Aug. | Light rain shower | 25° /21° | 17.5 mm | 6 | |
| 30 Aug. | Light rain shower | 27° /23° | 24.1 mm | 6 | |
| 31 Aug. | Patchy light drizzle | 31° /23° | 4.8 mm | 7 | |
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Important Notice
Our weather forecast for Hiroshima 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 Hiroshima forecast closer to your planned date for the most up-to-date weather information.
Hiroshima in August - FAQ
What are the expected maximum and minimum temperatures in Hiroshima during August?
During August, expect a variety of temperatures with highs around 31° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hiroshima during August?
Significant rainfall exceeding 117.7 mm is expected in Hiroshima during August, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hiroshima during August?
The average wind speed in Hiroshima during August is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Hiroshima in August?
As you prepare for your trip to Hiroshima 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 Hiroshima, 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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