average temperature in Siesta Key
The average temperature of Siesta Key is 73.07Â°F, which is higher than the Florida average temperature of 71.80Â°F and is much higher than the national average temperature of 54.45Â°F.he average temperature of Siesta Key is 73.07Â°F, which is higher than the Florida average temperature of 71.80Â°F and is much higher than the national average temperature of 54.45Â°F.