Hiroshima Weather in August
Japan · 30-year monthly averages
🤔 Fair time to visit
August in Hiroshima is hot, with average daytime highs around 33°C (91°F) and nighttime lows near 25°C (77°F). Expect roughly 131mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.
Avg high
33°C
91°F
Avg low
25°C
77°F
Rainfall
131mm
rainy
Rainy days
8
days with ≥1mm
☀️ About 207 hours of sunshine over the month (~7h/day).
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
August vs the rest of the year
FAQ
- How hot is Hiroshima in August?
- August in Hiroshima is hot, with average daytime highs around 33°C (91°F) and nighttime lows near 25°C (77°F). Expect roughly 131mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.
- Does it rain a lot in Hiroshima in August?
- Hiroshima sees around 131mm of precipitation in August on average — rainy by global standards.
- Is August a good time to visit Hiroshima?
- August is a workable month to visit Hiroshima, but expect some weather trade-offs.