Siesta Key Beach Water Temperature
19.4°C / 67.0°F
The sea at Siesta Key Beach feels tepid so don't forget to pack your wetsuit!
Average Sea Temp for Siesta Key Beach
The chart and table below are the sea temperature averages for Siesta Key Beach calculated from over twenty years of oceanographic data. As above the water temperatures given are for sea surface temperature (SST) which is most relevant to recreational users.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 20 | 20 | 20 | 22 | 25 | 28 | 29 | 30 | 29 | 27 | 25 | 22 |
| °F | 69 | 67 | 68 | 72 | 77 | 82 | 85 | 86 | 85 | 81 | 76 | 72 |