Hiroshima weather averages

Usually in March
- 12
- 3
- 5
Weather by month
Now Today
- 13
- 7
5-day forecast

Going to Hiroshima? Find the best month to visit Hiroshima based on the weather.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Check Hiroshima weather averages before you book your next holiday in 2019/2020. Today's maximum temperature in Hiroshima is expected to be 13°C, while the average maximum temperature in March is 12°C.

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More about Hiroshima

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The weather for Hiroshima, Japan shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

Hiroshima weather averages: best month

Hiroshima	Best month	Averages
Warmest	August	31°C
Sunniest	May & August	7 hours per day
Least rain	October	12 days
Warmest sea	August	26°C

Hiroshima climate guide

Tropical cyclone risk: Hiroshima, Japan typhoon season

% of month affected by tropical cyclones

<1%

Jan

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Mar

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May

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Aug

Sep

Oct

Nov

Dec

The Hiroshima, Japan tropical cyclone risk chart above shows the typhoon season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical cyclones

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Hiroshima weather averages by month

Check Hiroshima holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

Compare Hiroshima weather with the USA

Below the Hiroshima weather chart shows maximum daytime temperature for Hiroshima, Japan and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.