Current sea water temperature:
+63.3°F
Minimum sea water temperature in July: | 67.5°F |
Maximum sea water temperature in July: | 62.4°F |
Average sea water temperature in July: | 64.8°F |
more information |
14 days
forecast
forecast
Perth |
monthly
weather
weather
Perth |
Sea water temperature for the last 10 days:
July 18 | 63.3°F | July 13 | 62.8°F |
July 17 | 63.0°F | July 12 | 62.4°F |
July 16 | 63.3°F | July 11 | 63.3°F |
July 15 | 63.1°F | July 10 | 63.5°F |
July 14 | 63.0°F | July 9 | 63.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Perth?
Based on the data about daily sea water temperature for the last three years the warmest sea in Perth was noticed in February, January and March.
Monthly Sea Temperatures in Perth, °F
Sea water temperature in February, °F
Show year:
2025
2024
2023
The average sea water temperature in February of 2025 was 76.5°F. The highest and lowest sea temperatures during the month were 78.6°F and 75.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 75.4°F. The highest and lowest sea temperatures during the month were 76.1°F and 74.7°F.
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 74.6°F. The highest and lowest sea temperatures during the month were 77.0°F and 72.7°F.
current
weather
weather
Perth |
weather in
July
July
Perth |
Best time for vacation in Perth
Perth on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Perth
Local time: 07:38
July 19, saturday
0900

50°F
SW
8 mph
8 mph
1200

59°F
SW
8 mph
8 mph
1500

61°F
SE
7 mph
7 mph
1800

57°F
E
6 mph
6 mph
2100

57°F
S
6 mph
6 mph
July 20, sunday
0000

55°F
S
7 mph
7 mph
0300

55°F
S
8 mph
8 mph
0600

55°F
S
14 mph
14 mph