Monthly Port Stephens water temperature chart
The bar chart below shows the average monthly sea temperatures at Port Stephens over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 23.6 | 24.0 | 23.9 | 22.9 | 21.6 | 20.1 | 19.2 | 18.9 | 19.1 | 19.4 | 21.0 | 22.6 |
| °F | 74.5 | 75.2 | 75 | 73.2 | 70.9 | 68.2 | 66.6 | 66 | 66.4 | 66.9 | 69.8 | 72.7 |
Monthly average max / min water temperatures
The graph below shows the range of monthly water temperatures over several years.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 21.8 | 22.6 | 22.7 | 21.7 | 20 | 19.1 | 17.4 | 17.4 | 18 | 18 | 19.5 | 20.2 |
| Max °C | 25.5 | 25.5 | 25.2 | 24.1 | 23.3 | 21.2 | 21.1 | 20.4 | 20.3 | 20.9 | 22.6 | 25 |
| Min °F | 72.7 | 73.8 | 73.8 | 72 | 69.3 | 67.2 | 64.8 | 64.5 | 65.3 | 65.5 | 68.3 | 70.3 |
| Max °F | 76.4 | 76.7 | 76.3 | 74.4 | 72.6 | 69.3 | 68.5 | 67.5 | 67.6 | 68.4 | 71.4 | 75.1 |