Measurements:
°C
°F
Siesta Key
68°F
NW 7 mph
Feels like: 68°F
Precip: 0%
World Resorts USA Siesta Key Weather

7 Day Weather Forecast

01.10
sat
DAY
74°F
NW 10 mph
precip
0%
NIGHT
68°F
NE 4 mph
precip
0%
01.11
sun
DAY
66°F
E 2 mph
precip
0%
NIGHT
66°F
SW 16 mph
precip
0%
01.12
mon
DAY
68°F
SW 13 mph
precip
0%
NIGHT
66°F
SW 11 mph
precip
0%
01.13
tue
DAY
68°F
SW 11 mph
precip
0%
NIGHT
70°F
SW 6 mph
precip
0%
01.14
wed
DAY
68°F
SE 9 mph
precip
0%
NIGHT
66°F
SE 12 mph
precip
100%
01.15
thu
DAY
68°F
E 25 mph
precip
100%
NIGHT
50°F
SE 24 mph
precip
0%
01.16
fri
DAY
44°F
S 12 mph
precip
0%
NIGHT
48°F
SW 9 mph
precip
0%

Siesta Key Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Siesta Key was 16.4°F. The maximum and minimum values were 13.0°F and 20.3°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 73.2 °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