Climate in Hiroshima (Hiroshima), Japan

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Hiroshima, Japan

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Hiroshima, Japan

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Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Average monthly percentage of sunshine in Hiroshima, Japan

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Hiroshima, Japan

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Hiroshima, Japan

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Hiroshima, Japan

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Average wind speed

The mean monthly wind speed over the year (in meters per second)

Average monthly wind speed in Hiroshima, Japan

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Weather Forecasts for Hiroshima

Sun   Mar 03
8°C | -3°C
SW 18 km/h
0.9 mm
partly cloudy and rain

partly cloudy and rain

Mon   Mar 04
11°C | 3°C
W 11 km/h
broken clouds and no rain

broken clouds and no rain

Tue   Mar 05
8°C | 3°C
NE 14 km/h
27 mm
overcast and rain

overcast and rain

The best time of year to visit Hiroshima in Japan

During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Hiroshima?
    Most rainfall (rainy season) is seen in June, July and September.
  • Which is the warmest month in Hiroshima?
    August has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Hiroshima?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in Hiroshima?
    June tops the wettest month list with 212 mm of rainfall.
  • Which is the driest month in Hiroshima?
    January is the driest month with 54 mm of precipitation.
  • Which is the sunniest month in Hiroshima?
    May is the sunniest month with an average of 212 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.