In January warmest sea in Australia is usually observed in the following locations: Darwin, Cairns, Fraser.
Table below shows the average sea water temperature for marine resorts of Australia in January for the last three years.
| Place name | January 2026 | January 2025 | January 2024 |
|---|---|---|---|
| Darwin | 86.3°F | 87.6°F | 87.2°F |
| Cairns | 83.7°F | 85.6°F | 85.3°F |
| Fraser | 80.9°F | 81.8°F | 82.9°F |
| Brisbane | 79.8°F | 81.2°F | 81.6°F |
| Gold Coast | 77.6°F | 79.2°F | 79.2°F |
| Perth | 74.3°F | 75.4°F | 75.4°F |
| Sydney | 73.1°F | 74.0°F | 74.3°F |
| Adelaide | 70.1°F | 72.6°F | 70.5°F |
| Melbourne | 67.9°F | 71.4°F | 70.6°F |
| Tasmania | 61.8°F | 65.4°F | 64.6°F |
Charts below show average sea water temperature for Australia resorts with the warmest sea in January.
You can also check other months of the year to see sea temperature of Australia resorts at that time.
Places in Australia:
Name
°F
