In March warmest sea in Australia is usually observed in the following locations: Cairns, Darwin, Fraser.
Table below shows the average sea water temperature for marine resorts of Australia in March for the last three years.
| Place name | March 2026 | March 2025 | March 2024 |
|---|---|---|---|
| Cairns | 85.2°F | 84.3°F | 84.0°F |
| Darwin | 83.4°F | 88.1°F | 86.3°F |
| Fraser | 80.6°F | 80.0°F | 81.5°F |
| Brisbane | 80.5°F | 78.4°F | 80.0°F |
| Gold Coast | 79.5°F | 79.1°F | 79.9°F |
| Perth | 75.3°F | 74.6°F | 73.3°F |
| Sydney | 73.7°F | 74.1°F | 73.7°F |
| Adelaide | 70.9°F | 73.0°F | 72.7°F |
| Melbourne | 69.4°F | 70.5°F | 69.8°F |
| Tasmania | 63.1°F | 63.3°F | 63.2°F |
Charts below show average sea water temperature for Australia resorts with the warmest sea in March.
You can also check other months of the year to see sea temperature of Australia resorts at that time.
Places in Australia:
Name
°F
