Measurements:
°C
°F
Siesta Key
60°F
SW 6 mph
Feels like: 60°F
Precip: 0%
World Resorts USA Siesta Key Weather

7 Day Weather Forecast

12.12
fri
DAY
72°F
W 4 mph
precip
0%
NIGHT
60°F
SW 6 mph
precip
0%
12.13
sat
DAY
74°F
W 9 mph
precip
0%
NIGHT
72°F
W 8 mph
precip
0%
12.14
sun
DAY
72°F
SE 3 mph
precip
0%
NIGHT
66°F
S 17 mph
precip
0%
12.15
mon
DAY
64°F
SW 17 mph
precip
0%
NIGHT
64°F
SW 11 mph
precip
0%
12.16
tue
DAY
68°F
SW 9 mph
precip
0%
NIGHT
64°F
W 11 mph
precip
0%
12.17
wed
DAY
72°F
W 8 mph
precip
0%
NIGHT
68°F
W 11 mph
precip
0%
12.18
thu
DAY
74°F
W 8 mph
precip
0%
NIGHT
72°F
W 9 mph
precip
0%

Siesta Key Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Siesta Key was 18.7°F. The maximum and minimum values were 17.3°F and 21.5°F respectively.

Siesta Key on the Weather Map

Best Time to Visit Siesta Key
The most sunny months:
March 20 days
May 18 days
April 17 days
The most warm months:
July 92.3 °F
August 92.2 °F
June 90.4 °F
Warmest sea temperature:
August 91.8 °F
July 91.2 °F
September 89.8 °F
The most cold months:
January 68.5 °F
December 72.3 °F
February 73.4 °F
The most rainy months:
June 5 days
July 4 days
September 3 days
The most windy months:
November 10 mph
January 10 mph
October 10 mph