Monthly Herolds Bay water temperature chart
The bar chart below shows the average monthly sea temperatures at Herolds Bay over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 20.8 | 20.3 | 20.7 | 18.9 | 18.1 | 17.9 | 17.5 | 17.3 | 17.8 | 18.2 | 19.5 | 20.4 |
| °F | 69.4 | 68.5 | 69.3 | 66 | 64.6 | 64.2 | 63.5 | 63.1 | 64 | 64.8 | 67.1 | 68.7 |
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 | 18.7 | 19.1 | 18.6 | 17.5 | 16.9 | 16.4 | 16.5 | 15.8 | 16.6 | 16.9 | 17.9 | 18.7 |
| Max °C | 22.9 | 21.5 | 22.8 | 20.4 | 19.4 | 19.5 | 18.6 | 18.8 | 19.1 | 19.5 | 21.2 | 22.2 |
| Min °F | 67.3 | 67.3 | 67.2 | 64.6 | 63.4 | 62.7 | 62.5 | 61.6 | 62.8 | 63.5 | 65.5 | 67 |
| Max °F | 71.5 | 69.7 | 71.4 | 67.5 | 65.9 | 65.8 | 64.6 | 64.6 | 65.3 | 66.1 | 68.8 | 70.5 |