Measurements:
°C
°F
Siesta Key
48°F
S 11 mph
Feels like: 44°F
Precip: 0%
World Resorts USA Siesta Key Weather

7 Day Weather Forecast

12.22
sun
DAY
58°F
S 10 mph
precip
0%
NIGHT
62°F
SW 12 mph
precip
0%
12.23
mon
DAY
68°F
SW 7 mph
precip
0%
NIGHT
66°F
SW 9 mph
precip
0%
12.24
tue
DAY
64°F
W 9 mph
precip
0%
NIGHT
64°F
W 10 mph
precip
0%
12.25
wed
DAY
72°F
SW 7 mph
precip
0%
NIGHT
68°F
SW 9 mph
precip
0%
12.26
thu
DAY
74°F
W 14 mph
precip
0%
NIGHT
70°F
SW 17 mph
precip
100%
12.27
fri
DAY
64°F
SW 17 mph
precip
100%
NIGHT
66°F
W 17 mph
precip
100%
12.28
sat
DAY
72°F
W 15 mph
precip
45%
NIGHT
70°F
W 14 mph
precip
100%

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 18.8°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 21 days
May 19 days
April 18 days
The most warm months:
July 92.2 °F
August 92.2 °F
June 90.2 °F
Warmest sea temperature:
August 91.6 °F
July 91.2 °F
September 90.0 °F
The most cold months:
January 69.4 °F
December 72.5 °F
February 73.4 °F
The most rainy months:
June 6 days
July 4 days
September 4 days
The most windy months:
November 11 mph
April 10 mph
January 10 mph