The temperatures in Hiroshima in October are comfortable with low of 15°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Hiroshima during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Hiroshima in October 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.
Temperatures
22° / 15°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
104
mm
Sun Hours
10.9
Hrs