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. Show in Fahrenheit

Average min and max temperatures in Hiroshima, Japan   Copyright © 2023  weather-and-climate.com

Feel free to add this climate graph to your website. Click the copy button above.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly sunhours in Hiroshima, Japan   Copyright © 2023  weather-and-climate.com

Feel free to add this climate graph to your website. Click the copy button above.

Daily percent of sunshine

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

Average percent of sunshine in Hiroshima, Japan   Copyright © 2023  weather-and-climate.com

Feel free to add this climate graph to your website. Click the copy button above.

Where to stay in Hiroshima

Booking.com

Monthly precipitation

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

Average precipitation (rain/snow) in Hiroshima, Japan   Copyright © 2023  weather-and-climate.com

Feel free to add this climate graph to your website. Click the copy button above.

Monthly rainy days

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

Average rainy days (rain/snow) in Hiroshima, Japan   Copyright © 2023  weather-and-climate.com

Feel free to add this climate graph to your website. Click the copy button above.

Average humidity

The mean monthly relative humidity over the year

Average relative humidity in Hiroshima, Japan   Copyright © 2023  weather-and-climate.com

Feel free to add this climate graph to your website. Click the copy button above.

Average wind speed

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

Average wind speed in Hiroshima, Japan   Copyright © 2023  weather-and-climate.com

Feel free to add this climate graph to your website. Click the copy button above.

Weather Forecasts for Hiroshima (Hiroshima)

Mon   May 29
23°C | 20°C
SW 22 km/h
23 mm
overcast and heavy rain

overcast and heavy rain

Tue   May 30
23°C | 17°C
N 7 km/h
50 mm
overcast and heavy rain

overcast and heavy rain

Wed   May 31
23°C | 14°C
E 11 km/h
almost clear and no rain

almost clear and no rain

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 degrees Celsius (68°F) and 26 degrees Celsius (79°F).

Other facts from our historical climate data:

  • When is summer in Hiroshima?
    The hottest season / summer takes place in June, July, August and September.
  • When is the rainy season in Hiroshima?
    Rainy season in Hiroshima occurs in the months of June, July and September.
  • Which is the warmest month in Hiroshima?
    August has an average maximum temperature of 31°C (89°F) 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 (48°F).
  • Which is the wettest month in Hiroshima?
    June tops the wettest month list with 221mm (8.7in) of rainfall.
  • Which is the driest month in Hiroshima?
    January is the driest month with 42mm (1.6in) 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 now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.