Weather in Hiroshima in August
August in Hiroshima is a hot month. Plan the serious walking for morning. The rest of the day wants shade and a slower pace.
In Japan, this is how Hiroshima actually wears August, not how a country centroid would. August is the peak of the warm side of the year in Hiroshima. If you wanted the gentlest heat, this is not that month.
- Average temp
- 29°C
25–33°C
- Rainfall
- 137 mm
Showers likely
- Sunshine
- 6.4 h
hours per day
- Wind
- 9 km/h
What to expect
Daytime
Hot days in Hiroshima. Ruins, markets and hills are a morning job. Midday sightseeing is how people remember August for the wrong reason.
Nights stay warm. Air-con, if you can get it, is part of the brief. A jumper for August in Hiroshima is almost always a waste of bag space.
Rain
Mixed skies in Hiroshima in August. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.
Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.
Evening
Evenings stay warm.
What to pack
Sun protection
Rain jacket
Where to stay in Hiroshima
Dates are a starting point for August.
Travel guides for Hiroshima
What to read before you book.
Average weather in Hiroshima
TemperatureRainfall
Similar weather in August
Other destinations whose August averages sit close to this one.
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FAQs about Hiroshima
Climate averages for Hiroshima, 1991–2020.
The best time to visit Hiroshima is between August and November, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 29°C.
July is the wettest month, with about 299 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
