Click on a day for an hourly weather forecast
The weather in Hiroshima in July is hot. The average temperatures are between 22°C and 28°C.
You can expect rain for roughly half of the month of July in Hiroshima. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Hiroshima in July 2025.
If you’re planning to visit Hiroshima in the near future, we highly recommend that you review the 14 day weather forecast for Hiroshima before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 3° | 9 | 17 | 6 | 66 mm | Awful | Hiroshima in January |
| February | 9° / 3° | 6 | 18 | 4 | 87 mm | Bad | Hiroshima in February |
| March | 13° / 6° | 7 | 24 | 0 | 119 mm | Bad | Hiroshima in March |
| April | 17° / 9° | 6 | 24 | 0 | 121 mm | Good | Hiroshima in April |
| May | 22° / 14° | 6 | 25 | 0 | 142 mm | Good | Hiroshima in May |
| June | 25° / 18° | 9 | 21 | 0 | 232 mm | Good | Hiroshima in June |
| July | 28° / 22° | 10 | 21 | 0 | 283 mm | Good | Hiroshima in July |
| August | 30° / 23° | 7 | 24 | 0 | 193 mm | Ok | Hiroshima in August |
| September | 27° / 20° | 7 | 23 | 0 | 160 mm | Good | Hiroshima in September |
| October | 22° / 15° | 5 | 26 | 0 | 104 mm | Good | Hiroshima in October |
| November | 16° / 10° | 5 | 25 | 0 | 74 mm | Good | Hiroshima in November |
| December | 10° / 5° | 7 | 21 | 3 | 83 mm | Awful | Hiroshima in December |