Weather in Perth: July
![]() |
Average day temperature: | 62.2°F |
Average night temperature: | 53.4°F | |
![]() |
Sea water temperature: | 64.8°F |
![]() |
Number of sunny days: | 11 days |
Day length: | 10.1 - 10.6 hours | |
![]() |
Number of rainy days: | 6 days |
Precipitation totals: | 3.4 in. | |
more information |
forecast
Perth |
temperature
Perth |
Air temperature in July, °F
Day temperature | Night temperature |
The highest day temperature during July of 2024 was 68°F. At the same time the lowest night temperature was 49°F. Daily and nightly averages during July were 63.4°F and 56.1°F.
Sea water temperature in Perth in July, °F
The average sea water temperature in July of 2024 was 64.3°F. The highest and lowest sea temperatures during the month were 65.7°F and 63.9°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in July are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in Perth in July is 4.0 in. Other months of the year show relatively similar values.
The average wind speed value in July is 11.1 mph It makes July one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 4.6.
Best time for vacation in Perth
Perth on a weather map

11 mph

9 mph

12 mph

12 mph

15 mph

6 mph

8 mph

11 mph