What is the Climate, Average Temperature/ Weather in Hiroshima?

Whether you wish to travel to Hiroshima, Japan (Latitude & Longitude: see map search field. Altitude: 29 m or 95 ft) on holiday, business or vacation, are interested in buying property there or are looking to migrate the following Hiroshima climate, temperature and weather information should prove helpful:

  • The average temperature in Hiroshima, Japan is 15.2 °C (59 °F).
  • The average temperature range is 22.5 °C.
  • The highest monthly average high temperature is 31 °C (88 °F) in August.
  • The lowest monthly average low temperature is 0 °C (32 °F) in January & February.
  • Hiroshima's climate receives an average of 1597 mm (62.9 in) of rainfall per year, or 133 mm (5.2 in) per month.
  • On average there are 108 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 9 days with a quantity of rain, sleet, snow etc. per month.
  • The driest weather is in January when an average of 45 mm (1.8 in) of rainfall (precipitation) occurrs across 8 days.
  • The wettest weather is in July when an average of 250 mm (9.8 in) of rainfall (precipitation) occurrs across 13 days.
  • The average annual relative humidity is 75.5% and average monthly relative humidity ranges from 71% in February & March to 82% in July.
  • Average sunlight hours in Hiroshima range between 4.7 hours per day in January and 8.0 hours per day in August.
  • There are an average of 2264 hours of sunlight per year with an average of 6.2 hours of sunlight per day.
  • There are an average of 41 days per year with frost in Hiroshima and in January there are an average of 16 days with frost.

Hiroshima Climate Graph (metric)

Hiroshima Climate


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Hiroshima Weather Averages

  Average Minimum Temperatures in Hiroshima, Japan (°C) Average Maximum Temperature in Hiroshima, Japan (°C) Hiroshima Average Temperature (°C) Average Sea Temp (°C) Average Precipitation/ Rainfall (mm) Wet Days (>0.1 mm) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed in Hiroshima (Beaufort) Average Number of Days with Frost  
Weather in Hiroshima in January 0 9 4.5 - 45 8 4.7 72 3 16 Average Temperature in Hiroshima in January
Weather in Hiroshima in February 0 10 5 - 70 8 5.4 71 3 14 Average Temperature in Hiroshima in February
Weather in Hiroshima in March 3 13 8 - 106 10 6.1 71.0 3 6 Average Temperature in Hiroshima in March
Weather in Hiroshima in April 8 18 13 - 158 10 6.8 72 3 0 Average Temperature in Hiroshima in April
Weather in Hiroshima in May 13 22 18 - 154 11 7.2 75 2 0 Average Temperature in Hiroshima in May
Weather in Hiroshima in June 18 25 22 - 249 12 6.4 80 2 0 Average Temperature in Hiroshima in June
Weather in Hiroshima in July 22 29 26 - 250 13 6.8 82 2 0 Average Temperature in Hiroshima in July
Weather in Hiroshima in August 23 31 27 - 116 8 8.0 79 2 0 Average Temperature in Hiroshima in August
Weather in Hiroshima in September 19 27 23 - 216 12 5.9 80 3 0 Average Temperature in Hiroshima in September
Weather in Hiroshima in October 12 23 18 - 115 6 6.1 76 3 0 Average Temperature in Hiroshima in October
Weather in Hiroshima in November 7 18 13 - 67 5 5.9 75 3 0 Average Temperature in Hiroshima in November
Weather in Hiroshima in December 2 12 7 - 51 5 5.0 73 3 5 Average Temperature in Hiroshima in December

Hiroshima Climate Chart (imperial)

Hiroshima Temperature Chart

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Hiroshima Temperatures in Farenheit

  Average Minimum Temperatures in Hiroshima, Japan (°F) Average Maximum Temperature in Hiroshima, Japan (°F) Average Temperature (°F) Average Sea Temp (°F) Average Precipitation/ Rainfall (in) Wet Days (>0.004 in) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed (Beaufort) Average Number of Days with Frost  
Temperatures in Hiroshima in January 32 48 40 - 1.8 8 4.7 72 3 16 Climate in Hiroshima in January
Temperatures in Hiroshima in February 32 50 41 - 2.8 8 5.4 71 3 14 Climate in Hiroshima in February
Temperatures in Hiroshima in March 37 55 46 - 4.2 10 6.1 71 3 6 Climate in Hiroshima in March
Temperatures in Hiroshima in April 46 64 55 - 6.2 10 6.8 72 3 0 Climate in Hiroshima in April
Temperatures in Hiroshima in May 55 72 64 - 6.1 11 7.2 75 2 0 Climate in Hiroshima in May
Temperatures in Hiroshima in June 64 77 71 - 9.8 12 6.4 80 2 0 Climate in Hiroshima in June
Temperatures in Hiroshima in July 72 84 78 - 9.8 13 6.8 82 2 0 Climate in Hiroshima in July
Temperatures in Hiroshima in August 73 88 81 - 4.6 8 8.0 79 2 0 Climate in Hiroshima in August
Temperatures in Hiroshima in September 66 81 73 - 8.5 12 5.9 80 3 0 Climate in Hiroshima in September
Temperatures in Hiroshima in October 54 73 64 - 4.5 6 6.1 76 3 0 Climate in Hiroshima in October
Temperatures in Hiroshima in November 45 64 55 - 2.6 5 5.9 75 3 0 Climate in Hiroshima in November
Temperatures in Hiroshima in December 36 54 45 - 2.0 5 5.0 73 3 5 Climate in Hiroshima in December



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