March weather forecast and climate
Siesta Key, FL

Average sea temperature in March - Siesta Key, FL
  • Average sea temperature in March: 66.7°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64.1°F).

Average daylight in March - Siesta Key, FL
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.4h).

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