Current sea water temperature:
+73.8°F
| Minimum sea water temperature in December: | 75.6°F |
| Maximum sea water temperature in December: | 67.8°F |
| Average sea water temperature in December: | 71.5°F |
| more information | |
14 days
forecast
forecast
| Perth |
monthly
weather
weather
| Perth |
Sea water temperature for the last 10 days:
| December 20 | 73.8°F | December 15 | 72.7°F |
| December 19 | 73.8°F | December 14 | 72.7°F |
| December 18 | 73.6°F | December 13 | 72.3°F |
| December 17 | 73.6°F | December 12 | 72.1°F |
| December 16 | 73.0°F | December 11 | 71.8°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
December
December
| Perth |
Best time for vacation in Perth
Perth on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Perth
Local time: 08:19
December 21, sunday
0900
66°F
W
9 mph
9 mph
1200
77°F
N
6 mph
6 mph
1500
75°F
NE
17 mph
17 mph
1800
72°F
N
17 mph
17 mph
2100
68°F
N
14 mph
14 mph
December 22, monday
0000
66°F
N
12 mph
12 mph
0300
64°F
NW
10 mph
10 mph
0600
63°F
NW
10 mph
10 mph
