Hiroshima
6 to 30°C
temperature
2701 hours
sunshine per day
776 mm
rain
196 days
dry
159 days
rain
10 days
snow

Climate of Hiroshima

Hiroshima has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Hiroshima is 18° degrees and there is about 777 mm of rain in a year. It is dry for 178 days a year with an average humidity of 80% and an UV-index of 4.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 6°C and 30°C
  • Night:the average nighttime temperature is between 0°C and 22°C
  • Rain: it rains 159 days and there is a total of approximately 776 mm rainfall
  • Snow: it snows an average of 10 days per year
  • Sun hours: throughout the year there are 2701 sun hours
Maximum temperature: between 6°C and 30°C
Warmest month: 30°C in August
Coldest month: 6°C in January
Night temperature: between 0°C and 22°C
Dry days: 196 days
Days with rain: 159 days
Days with snow: 10 days
Total rain sum: 776 mm
Hours of sunshine: 2701 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Hiroshima.

Precipitation graph

This graph shows the average amount of rainfall per month for Hiroshima.

Climate table of Hiroshima

In this climate table you can see at a glance what the average weather per month is for Hiroshima. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Hiroshima might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 6 8 12 16 22 24 28 30 26 20 14 8
Night temp. (°C) 0 1 3 7 12 16 21 22 18 13 8 3
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 31 42 61 60 64 115 98 63 78 71 42 51
Days with rain 11 12 13 13 11 17 18 17 14 10 10 13
Days with snow 5 3 - - - - - - - - - 2
Dry days 15 13 18 17 20 13 13 14 16 21 20 16
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 5 5 7 9 9 9 9 10 9 6 6 5
Wind force (Bft) 2 2 2 2 2 2 2 2 2 2 2 2
UV-index 2 2 3 4 5 5 7 6 5 4 3 2

Best time to visit Hiroshima

The best time to visit Hiroshima in Japan is from May and July through October. In this period you have a warm temperature and little precipitation. The highest average temperature in Hiroshima is 30°C in August and the lowest is 6°C in January.

Climate of Hiroshima by month

What is the average climate in a given month for Hiroshima? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Hiroshima weather experiences

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