Monthly Lake Illawarra water temperature chart
The bar chart below shows the average monthly sea temperatures at Lake Illawarra over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 22.9 | 23.4 | 22.6 | 22.4 | 19.7 | 18.4 | 18.3 | 18.1 | 18.2 | 18.7 | 20.5 | 21.1 |
| °F | 73.2 | 74.1 | 72.7 | 72.3 | 67.5 | 65.1 | 64.9 | 64.6 | 64.8 | 65.7 | 68.9 | 70 |
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 | 22.3 | 21.1 | 20 | 17.8 | 16.6 | 16.4 | 16.6 | 16.9 | 16.6 | 19.1 | 18.8 |
| Max °C | 24.8 | 24.6 | 24.2 | 24.8 | 21.6 | 20.2 | 20.3 | 19.6 | 19.5 | 20.8 | 22 | 23.4 |
| Min °F | 71.3 | 73 | 71.2 | 69.9 | 65.6 | 63.3 | 63 | 63.1 | 63.5 | 63.6 | 67.5 | 67.7 |
| Max °F | 75.1 | 75.3 | 74.3 | 74.7 | 69.4 | 66.9 | 66.9 | 66.1 | 66.1 | 67.8 | 70.4 | 72.3 |