Monthly St Helena Bay water temperature chart
The bar chart below shows the average monthly sea temperatures at St Helena Bay over the year.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 17.3 | 17.1 | 17.2 | 15.4 | 15.3 | 15.1 | 14.4 | 14.4 | 14.9 | 15.6 | 16.2 | 16.6 |
°F | 63.1 | 62.8 | 63 | 59.7 | 59.5 | 59.2 | 57.9 | 57.9 | 58.8 | 60.1 | 61.2 | 61.9 |
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 | 15.4 | 15.3 | 15.1 | 13.5 | 14.1 | 13.5 | 13 | 12.9 | 13.7 | 14 | 14.8 | 14.9 |
Max °C | 19.3 | 19 | 19.3 | 17.4 | 16.5 | 16.7 | 15.8 | 16 | 16.1 | 17.2 | 17.6 | 18.4 |
Min °F | 61.2 | 61 | 60.9 | 57.8 | 58.3 | 57.6 | 56.5 | 56.4 | 57.6 | 58.5 | 59.8 | 60.2 |
Max °F | 65.1 | 64.7 | 65.1 | 61.7 | 60.7 | 60.8 | 59.3 | 59.5 | 60 | 61.7 | 62.6 | 63.7 |