World Resorts USA Siesta Key Weather

Siesta Key sea water temperature

Current sea water temperature:
+75.9°F
Minimum sea water temperature in April: 80.2°F
Maximum sea water temperature in April: 70.9°F
Average sea water temperature in April: 76.2°F

Sea water temperature for the last 10 days:

April 27 75.9°F April 22 76.8°F
April 26 76.3°F April 21 77.4°F
April 25 75.7°F April 20 76.1°F
April 24 75.9°F April 19 74.7°F
April 23 76.5°F April 18 74.8°F

When is the warmest sea in Siesta Key?

Based on the data about daily sea water temperature for the last three years the warmest sea in Siesta Key was noticed in August, July and September.

Monthly Sea Temperatures in Siesta Key, °F

Sea water temperature in August, °F

Show year:
2023
2022
2021

The average sea water temperature in August of 2023 was 88.9°F. The highest and lowest sea temperatures during the month were 91.4°F and 86.7°F.

Sea water temperature in July, °F

Show year:
2023
2022
2021

The average sea water temperature in July of 2023 was 88.1°F. The highest and lowest sea temperatures during the month were 89.1°F and 86.7°F.

Sea water temperature in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 85.8°F. The highest and lowest sea temperatures during the month were 87.3°F and 84.0°F.

Best time for vacation in Siesta Key

Sunniest months:
March 21 days
May 18 days
April 17 days
Warmest months:
August 88.3 °F
July 88.3 °F
June 86.4 °F
Warmest sea temp:
August 87.4 °F
July 86.9 °F
September 85.8 °F
Coldest months:
January 67.5 °F
December 70.2 °F
February 71.1 °F
Rainiest months:
July 5 days
September 5 days
June 5 days
Windiest months:
November 10.7 mph
April 10.4 mph
January 10.2 mph

Siesta Key on a weather map

Siesta Key
+66°F
W 14 mph
Feels like: +66°F
Precip.: 0%
Places in USA:
Name
°F
+41°F
+50°F
+72°F
+72°F
+55°F
+59°F
+75°F
+46°F
+70°F
+59°F
+50°F
+66°F
+68°F
+73°F
+59°F
24 Hours Forecast
Siesta Key
Local time: 06:40
April 27, saturday
0900
72°F
W
16 mph
1200
79°F
W
16 mph
1500
82°F
NW
9 mph
1800
81°F
NW
4 mph
2100
77°F
W
20 mph
April 28, sunday
0000
72°F
W
17 mph
0300
70°F
W
14 mph
0600
68°F
W
12 mph
Units of measurement: °C / °F