Weather in Hiroshima in October
October in Hiroshima is mild with average temperatures around 15.9°C (60.6°F). Expect significant rainfall with 113mm across approximately 10 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
20.7°C
69.3°F
Low
11.0°C
51.8°F
Precipitation
113 mm
4.4 inches
~10 rainy days
Conditions
Humidity
82%
Comparison to Adjacent Months
October is 5.8°C cooler than September, 57mm drier than September.
October is 5.8°C warmer than November, 34mm wetter than November.