Hiroshima weather in August
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Hiroshima August weather at a glance
In August, Hiroshima averages 28.2°C, with typical highs of 32.4°C and lows of 24.6°C. The historical average is 12 wet days and 77% humidity.
Hiroshima August temperature & humidity
Hiroshima August rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Hiroshima in August
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Showers are possible, so a compact umbrella is useful.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 32.4°C
- Morning & eveningLight layer for air-conditioned rooms · average low 24.6°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Hiroshima August sunrise & sunset times
2026 August · Local time (Asia/Tokyo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-08-01 | 05:21 | 19:12 | 13h 52m |
| 2026-08-15 | 05:31 | 18:58 | 13h 27m |
| 2026-08-31 | 05:42 | 18:38 | 12h 56m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Hiroshima travel updates
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Today’s weather and forecast
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Hiroshima city map
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Hiroshima travel essentials
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Best months to visit Hiroshima
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
August weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Hiroshima weather like in August?
In August, Hiroshima averages 28.2°C, with typical highs of 32.4°C and lows of 24.6°C. The historical average is 12 wet days and 77% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Hiroshima in August?
There are about 12 wet days in August. A compact umbrella is still useful.
What should I wear in Hiroshima in August?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Hiroshima?
Recent weather data rates May, October, November among the more comfortable months.
Where can I check Hiroshima weather in August in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Hiroshima in August?
On 2026-08-15, calculated sunrise is 05:31 and sunset is 18:58 in local time (Asia/Tokyo). Times vary by date and terrain.
Hiroshima weather by month
More Japan destinations in August
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations