Current sea water temperature:
+73.9°F
| Minimum sea water temperature in March: | 78.3°F |
| Maximum sea water temperature in March: | 69.8°F |
| Average sea water temperature in March: | 73.7°F |
| more information | |
14 days
forecast
forecast
| Perth |
monthly
weather
weather
| Perth |
Sea water temperature for the last 10 days:
| March 18 | 73.9°F | March 13 | 75.0°F |
| March 17 | 73.2°F | March 12 | 76.1°F |
| March 16 | 72.9°F | March 11 | 76.1°F |
| March 15 | 72.7°F | March 10 | 77.0°F |
| March 14 | 73.9°F | March 9 | 77.0°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:
2026
2025
2024
The average sea water temperature in February of 2026 was 75.1°F. The highest and lowest sea temperatures during the month were 76.6°F and 73.8°F.
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 74.8°F. The highest and lowest sea temperatures during the month were 77.0°F and 73.4°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 75.2°F. The highest and lowest sea temperatures during the month were 77.4°F and 72.7°F.
current
weather
weather
| Perth |
weather in
March
March
| Perth |
Best time for vacation in Perth
Perth on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Perth
Local time: 02:15
March 19, thursday
0300
77°F
W
6 mph
6 mph
0600
77°F
SW
7 mph
7 mph
0900
84°F
S
12 mph
12 mph
1200
90°F
SE
11 mph
11 mph
1500
88°F
E
9 mph
9 mph
1800
81°F
NE
5 mph
5 mph
2100
79°F
N
3 mph
3 mph
March 20, friday
0000
77°F
S
1 mph
1 mph
