Siesta Key Beach Water Temperature

22.8°C / 73.1°F

The sea at Siesta Key Beach feels warm so don't forget to pack your bathers!

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.

Siesta Key Beach sea temperature in degrees Celsius and Fahrenheit
  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