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Hiroshima
Weather averages
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Hiroshima Climate by Month

The graphs below provide an overview of the climate in Hiroshima (Hiroshima), Japan. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: Hiroshima, Japan (42 KM, 26 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year
* Data from: Hiroshima, Japan (42 KM, 26 Miles).

Monthly precipitation

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

Monthly rainy days

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

Average humidity

The mean monthly relative humidity over the year
* Data from: Hiroshima, Japan (42 KM, 26 Miles).

Forecast for Hiroshima

Sat   Nov 16
22°C | 15°C
N 14 km/h
3 mm
broken clouds and small chance of rain

broken clouds and small chance of rain

hourly forecast
Sun   Nov 17
23°C | 15°C
N 11 km/h
0.6 mm
partly cloudy and slight rain

partly cloudy and slight rain

hourly forecast
Mon   Nov 18
17°C | 10°C
N 22 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Hiroshima in Japan

During the months of May, June 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:

  • When is summer in Hiroshima?
    The hottest season / summer takes place in June, July, August and September.
  • Which months have the greatest rainfall in Hiroshima?
    Most rainfall (rainy season) is seen in May, June, July, August and September.
  • Which is the warmest month in Hiroshima?
    August has an average maximum temperature of 31°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 9°C.
  • Which is the wettest month in Hiroshima?
    July tops the wettest month list with 247 mm of rainfall.
  • Which is the driest month in Hiroshima?
    January is the driest month with 63 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.

     

     


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