In August warmest sea in Australia is usually observed in the following locations: Darwin, Cairns, Gold Coast.
Table below shows the average sea water temperature for marine resorts of Australia in August for the last three years.
| Place name | August 2026 | August 2025 | August 2024 |
|---|---|---|---|
| Darwin | 79.1°F | 79.5°F | 81.1°F |
| Cairns | 71.8°F | 74.5°F | 74.1°F |
| Gold Coast | 68.2°F | 68.9°F | 69.1°F |
| Fraser | 67.6°F | 66.7°F | 68.1°F |
| Brisbane | 63.9°F | 63.6°F | 64.5°F |
| Sydney | 61.5°F | 64.5°F | 62.6°F |
| Perth | 61.3°F | 62.2°F | 63.3°F |
| Adelaide | 56.5°F | 55.2°F | 56.0°F |
| Tasmania | 54.1°F | 53.8°F | 52.6°F |
| Melbourne | 52.8°F | 52.1°F | 52.4°F |
Charts below show average sea water temperature for Australia resorts with the warmest sea in August.
You can also check other months of the year to see sea temperature of Australia resorts at that time.
Places in Australia:
Name
°F
