Weather in Perth in July
July in Perth is mild with average temperatures around 15.7°C (60.3°F). Expect significant rainfall with 128mm 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
17.7°C
63.9°F
Low
13.7°C
56.7°F
Precipitation
128 mm
5.1 inches
~15 rainy days
Conditions
Humidity
73%
Comparison to Adjacent Months
July is 22mm wetter than August.