Weather in Hiroshima in July
July in Hiroshima is mild with average temperatures around 24.7°C (76.5°F). Expect significant rainfall with 260mm across approximately 15 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
28.5°C
83.3°F
Low
20.9°C
69.6°F
Precipitation
260 mm
10.2 inches
~15 rainy days
Conditions
Humidity
86%
Comparison to Adjacent Months
July is 3.9°C warmer than June, 49mm wetter than June.
July is 137mm wetter than August.