World Resorts USA Siesta Key Weather

Siesta Key 7 Days Forecast

14.12
sun
Day
75°F
SE 5 mph
Precip.
0%
Night
64°F
S 20 mph
Precip.
0%
15.12
mon
Day
57°F
SW 20 mph
Precip.
0%
Night
59°F
SW 11 mph
Precip.
0%
16.12
tue
Day
66°F
SW 13 mph
Precip.
0%
Night
63°F
W 11 mph
Precip.
0%
17.12
wed
Day
72°F
W 10 mph
Precip.
0%
Night
68°F
W 9 mph
Precip.
0%
18.12
thu
Day
72°F
W 6 mph
Precip.
0%
Night
70°F
W 8 mph
Precip.
0%
19.12
fri
Day
75°F
NW 6 mph
Precip.
25%
Night
72°F
W 9 mph
Precip.
0%
20.12
sat
Day
75°F
NW 14 mph
Precip.
0%
Night
72°F
NW 7 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2024
2023
2022

The average sea water temperature in December of 2024 was 65.6°F. The highest and lowest sea temperatures during the month were 70.7°F and 63.1°F.

Air temperature in Siesta Key, °F

Precipitation total in Siesta Key, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Siesta Key

Sunniest months:
March 20 days
May 18 days
April 17 days
Warmest months:
July 88.1 °F
August 88.0 °F
June 86.3 °F
Warmest sea temp:
August 87.6 °F
July 87.1 °F
September 85.8 °F
Coldest months:
January 66.6 °F
December 70.1 °F
February 71.0 °F
Rainiest months:
June 5 days
July 4 days
September 3 days
Windiest months:
November 10.5 mph
January 10.4 mph
October 10.4 mph

Siesta Key on a weather map

Siesta Key
+63°F
NW 4 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+28°F
+73°F
+73°F
+46°F
+55°F
+70°F
+73°F
+68°F
+30°F
+55°F
+46°F
+63°F
+63°F
+61°F
0°F
24 Hours Forecast
Siesta Key
Local time: 08:10
December 14, sunday
0900
63°F
NW
4 mph
1200
75°F
SE
5 mph
1500
79°F
SE
14 mph
1800
75°F
S
19 mph
2100
68°F
S
18 mph
December 15, monday
0000
64°F
S
20 mph
0300
63°F
SW
18 mph
0600
59°F
SW
16 mph
Units of measurement: °C / °F