Siesta Key (Sarasota) Sea Water Temperature
Consistently ranked among America's top beaches for powdery 99% pure quartz sand. Today's reading, 7-day forecast, and monthly averages below.
Siesta Key (Sarasota) water temperature
Very warm bath-like water. Zero chill, exceptional for relaxation and snorkeling.
7-Day Water Temperature Forecast
Siesta Key (Sarasota) Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Siesta Key (Sarasota) occurs inMay, Jun, Jul, Aug, Sep, Oct — peaking at30.8°C (87.4°F) in August.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 17.2°C | 19°C | 20.8°C | Cool / Refreshing (16°C – 20°C) |
| February | 17.8°C | 19.6°C | 21.5°C | Cool / Refreshing (16°C – 20°C) |
| March | 20.1°C | 22°C | 24°C | Comfortable (20°C – 24°C) |
| April | 23°C | 24.8°C | 26.5°C | Warm & Ideal (24°C – 28°C) |
| May | 25.8°C | 27.4°C | 29°C | Warm & Ideal (24°C – 28°C) |
| June | 28.3°C | 29.6°C | 30.8°C | Tropical Warm (> 28°C) |
| July | 29.5°C | 30.6°C | 31.7°C | Tropical Warm (> 28°C) |
| August | 29.7°C | 30.8°C | 31.9°C | Tropical Warm (> 28°C) |
| SeptemberCurrent | 28.7°C | 29.8°C | 30.8°C | Tropical Warm (> 28°C) |
| October | 25.4°C | 27°C | 28.5°C | Warm & Ideal (24°C – 28°C) |
| November | 21.5°C | 23.3°C | 25.2°C | Comfortable (20°C – 24°C) |
| December | 18.5°C | 20.4°C | 22.4°C | Comfortable (20°C – 24°C) |
Swimming FAQs for Siesta Key (Sarasota)
Is the sea warm enough to swim in Siesta Key (Sarasota) today?
Typical sea surface temperature in Siesta Key (Sarasota) this time of year is 29.8°C (85.6°F) — classified as Tropical Warm (> 28°C). Very warm bath-like water. Zero chill, exceptional for relaxation and snorkeling. Live readings load automatically.
What are the warmest months for swimming in Siesta Key (Sarasota)?
The highest water temperatures in Siesta Key (Sarasota) typically occur duringMay, Jun, Jul, Aug, Sep, Oct, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Siesta Key (Sarasota) in September?
Historically in September, water temperatures in Siesta Key (Sarasota) average around29.8°C (85.6°F), fluctuating between a recorded minimum of 28.7°C and a maximum of 30.8°C.