Average sea water temperature in March:
+73.7°F
| Minimum sea water temperature in March: | 78.3°F |
| Maximum sea water temperature in March: | 69.8°F |
Daily sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 75.3°F. The highest and lowest sea temperatures during the month were 77.4°F and 72.7°F.
Monthly sea water temperature in Perth, °F
Which Australia resorts have warmest sea in March?
| Place name | March 2026 | March 2025 |
|---|---|---|
| Cairns | 85.2°F | 84.3°F |
| Darwin | 83.4°F | 88.1°F |
| Fraser | 80.6°F | 80.0°F |
| Brisbane | 80.5°F | 78.4°F |
| Gold Coast | 79.5°F | 79.1°F |
| Perth | 75.3°F | 74.6°F |
| Sydney | 73.7°F | 74.1°F |
| Adelaide | 70.9°F | 73.0°F |
| Melbourne | 69.4°F | 70.5°F |
| Tasmania | 63.1°F | 63.3°F |
Best time for vacation in Perth
Perth on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Perth
Local time: 19:00
March 17, tuesday
2100

79°F
NW
7 mph
7 mph
March 18, wednesday
0000

77°F
W
7 mph
7 mph
0300

79°F
SW
11 mph
11 mph
0600

77°F
SW
11 mph
11 mph
0900

84°F
SW
14 mph
14 mph
1200

91°F
S
9 mph
9 mph
1500

93°F
E
5 mph
5 mph
1800

88°F
N
8 mph
8 mph



























