Climate normals · 1970–2000
Hiroshima Climate
Hiroshima is a city in Japan (11) with a population of about 1,200,754. Its average annual temperature is 15.9°C (61°F), with roughly 1913 mm of rain per year.
15.9°C
Avg Temp
1913
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
Hiroshima Climate
Hiroshima has an average annual temperature of 15.9°C (61°F) and receives about 1913 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
15.9°C
Avg Temp
1913
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 5° / 41° | 62 mm |
| February | 6° / 42° | 81 mm |
| March | 9° / 48° | 129 mm |
| April | 14° / 57° | 172 mm |
| May | 19° / 65° | 184 mm |
| June | 22° / 72° | 307 mm |
| July | 27° / 80° | 255 mm |
| August | 28° / 82° | 200 mm |
| September | 24° / 75° | 248 mm |
| October | 18° / 64° | 135 mm |
| November | 12° / 54° | 91 mm |
| December | 7° / 45° | 49 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Hiroshima
The most comfortable months to visit Hiroshima are typically October, May and November, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 32°C high). The coldest is January (near 1°C low). June is usually the wettest month.
Where to stay near Hiroshima
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Frequently Asked Questions
The most comfortable months to visit Hiroshima are typically October, May and November, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Hiroshima, Japan has an average annual temperature of 15.9°C and about 1913 mm of precipitation per year. The warmest month is August and the coldest is January.
In August, the hottest month, daily highs in Hiroshima average about 32°C (89°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.