Measurements:
°C
°F
Siesta Key
86°F
SE 19 mph
Feels like: 84°F
Precip: 0%
World Resorts USA Siesta Key Weather

Siesta Key Sea Water Temperature

Current Sea Water Temperature:
+77.8°F
Maximum Sea Water Temperature in April: 83.6°F
Minimum Sea Water Temperature in April: 73.2°F
Average water temperature in April: 79.1°F

Sea Water Temperature for the Last 10 Days:

April 12 77.8°F April 07 81.4°F
April 11 78.2°F April 06 80.6°F
April 10 79.6°F April 05 79.2°F
April 09 80.2°F April 04 79.6°F
April 08 80.8°F April 03 78.2°F

When is the Warmest Sea for Siesta Key?

According to our data for the last three years for Siesta Key the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
69.9
76.9
83.9
90
91.6
91.2
88.4
83.9
79.1
73.6
68.1
66.2

Sea Water Temperature in August

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
85
88
91
94
97
100

The average sea surface temperature in August 2024 for Siesta Key was 91.4°F. The maximum and minimum values were 89.6°F and 92.6°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
86
88
90
92
94
96
98

The average sea surface temperature in July 2024 for Siesta Key was 92.1°F. The maximum and minimum values were 90.6°F and 93.0°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
82
85
88
91
94
97

The average sea surface temperature in September 2024 for Siesta Key was 90.9°F. The maximum and minimum values were 88.6°F and 92.2°F respectively.

Best Time to Visit Siesta Key
The most sunny months:
March 20 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 68.5 °F
December 72.3 °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
January 10 mph
April 10 mph

Siesta Key on the Weather Map

USA Resorts:
NAME
Boston +36
Chicago +56
Hawaii +78
Honolulu +78
Houston +90
Las Vegas +86
Los Angeles +72
Miami +88
New York +36
Orlando +84
San Diego +68
San Francisco +54
Sarasota +80
Tampa +82
Washington +52
24 Hours Weather Forecast
Siesta Key
Local time: 14:47
12 apr, saturday
1500 86°F
SE
19 mph
1800 82°F
SE
18 mph
2100 68°F
SE
9 mph
13 apr, sunday
0000 62°F
SE
7 mph
0300 58°F
S
6 mph
0600 56°F
S
7 mph
0900 66°F
SW
9 mph
1200 80°F
SW
6 mph