Siesta Key
Florida, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Siesta Key, FL

Ocean temperature

In March, the average ocean temperature in Siesta Key, Florida, is 66.7°F (19.3°C).
Note: For most, swimming in 66.7°F (19.3°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in March in Siesta Key is 12h.

What is the ocean temperature in March in Siesta Key?

In Siesta Key, the average seawater temperature in March is 66.7°F (19.3°C). For swimming, a surface water temperature of 66.7°F (19.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in March in Siesta Key?

The average length of the day in March in Siesta Key, Florida, is 12h.
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).