WEATHER IN Hiroshima
Climate tables. Data for Hiroshima.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -7.8 (1963) | 2.0 | 5.4 | 9.9 | 17.5 (1997) |
| february | -7.0 (1977) | 2.4 | 6.2 | 10.9 | 21.5 (2009) |
| march | -5.0 (1977) | 5.1 | 9.5 | 14.5 | 24.2 (2025) |
| april | -0.6 (1962) | 10.1 | 14.8 | 19.8 | 29.0 (2004) |
| may | 5.0 (1980) | 15.1 | 19.6 | 24.4 | 31.5 (1998) |
| june | 10.0 (1978) | 19.8 | 23.2 | 27.2 | 33.6 (1990) |
| july | 16.6 (1982) | 24.1 | 27.2 | 30.9 | 38.7 (1994) |
| august | 18.0 (1977) | 25.1 | 28.5 | 32.8 | 38.7 (2024) |
| september | 10.4 (1987) | 21.1 | 24.7 | 29.1 | 36.9 (2007) |
| october | 3.5 (1986) | 14.9 | 18.8 | 23.7 | 32.6 (2025) |
| november | 0.0 (1973) | 8.9 | 12.9 | 17.7 | 25.6 (2020) |
| december | -4.0 (1973) | 4.0 | 7.5 | 12.1 | 21.8 (1984) |
| year | -7.8 (1963) | 12.7 | 16.5 | 21.1 | 38.7 (1994) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 46 | 3 (1940) | 142 (1950) | 47 (1967) |
| february | 64 | 5 (1887) | 197 (1922) | 56 (1976) |
| march | 118 | 21 (1973) | 238 (1966) | 69 (2018) |
| april | 141 | 22 (2001) | 408 (1890) | 122 (1953) |
| may | 170 | 19 (1940) | 418 (2004) | 128 (1965) |
| june | 227 | 55 (1982) | 666 (1923) | 187 (1965) |
| july | 280 | 2 (1978) | 646 (1993) | 372 (2018) |
| august | 131 | 2 (2020) | 696 (2021) | 180 (2021) |
| september | 163 | 13 (1967) | 509 (1926) | 169 (1983) |
| october | 109 | 2 (2003) | 388 (2017) | 159 (1951) |
| november | 69 | 0.0 (2018) | 260 (2024) | 188 (2024) |
| december | 54 | 0.4 (1939) | 145 (1890) | 84 (2004) |
| year | 1572 | 740 (1978) | 2541 (1923) | 372 (2018) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |