Monthly Saint Augustine water temperature chart
The bar chart below shows the average monthly sea temperatures at Saint Augustine over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 16.9 | 16.9 | 18.2 | 21.6 | 24.4 | 27.0 | 28.2 | 29.0 | 28.4 | 26.4 | 22.7 | 19.1 |
| °F | 62.4 | 62.4 | 64.8 | 70.9 | 75.9 | 80.6 | 82.8 | 84.2 | 83.1 | 79.5 | 72.9 | 66.4 |
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 | 14.3 | 14.8 | 15.8 | 18.8 | 22 | 25.7 | 27 | 27.9 | 27.5 | 23.9 | 19.8 | 17.2 |
| Max °C | 19.5 | 19.1 | 20.7 | 24.4 | 26.9 | 28.3 | 29.5 | 30.2 | 29.4 | 29 | 25.7 | 21 |
| Min °F | 59.8 | 60.3 | 62.4 | 68.1 | 73.5 | 79.3 | 81.6 | 83.1 | 82.2 | 77 | 70 | 64.5 |
| Max °F | 65 | 64.6 | 67.3 | 73.7 | 78.4 | 81.9 | 84.1 | 85.4 | 84.1 | 82.1 | 75.9 | 68.3 |