When is the best time to go to Hiroshima?

When is the best time to go to Hiroshima? Here's some information to help you in your decision:

  • The best months for good weather in Hiroshima are April, May, June, August, September and October
  • On average, the warmest months are July and August
  • January is the coldest month of the year
  • The rainiest months are June and July
  • August is the best month for swimming

For full information about the climate and weather in Hiroshima a specific month, click on the corresponding line below:

January 38°F/47°F
February 40°F/50°F
March 45°F/56°F
April 49°F/67°F
May 58°F/76°F
June 65°F/81°F
July 72°F/86°F
August 72°F/90°F
September 67°F/83°F
October 61°F/74°F
November 50°F/63°F
December 41°F/50°F

Weather and climate in Hiroshima

  • Between january and february the climate is the worst possible. The record temperature this month is 70°F.
  • In march the climate is bad. It is for example 56°F as maximum temperature in march and it rains about 5.2in each month.
  • Between the months of april and may the climate is favorable. It is for example 76°F as maximum temperature in may and you can expect to have 5.1in of rainfall/month during this period.
  • Between the months of june and august the climate is just OK. At lunchtime, it's 88°F in average and it rains about 50% of the time in august.
  • Between the months of september and october the climate is favorable. The temperature rises to 74°F.
  • In the month of november the climate is okay. In average, on the morning it is 49°F and you can expect to have 3.5in of rainfall/month during this period.
  • In the month of december the climate is very bad. At lunchtime, it's 49°F in average and it rains about 3.5in each month.

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Charts: temperature and rainfall in Hiroshima

In the charts below, you can see the following seasonal norms for the city of Hiroshima: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature


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Hiroshima appears on the map below with a blue icon. The other cities or locations in Japan appear on the map with a black icon. Click for information about the climate.

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