World Resorts USA Siesta Key Weather

Siesta Key sea water temperature

Current sea water temperature:
+64.4°F
Minimum sea water temperature in December: 74.3°F
Maximum sea water temperature in December: 61.2°F
Average sea water temperature in December: 68.0°F

Sea water temperature for the last 10 days:

December 25 64.4°F December 20 66.2°F
December 24 63.9°F December 19 66.2°F
December 23 64.9°F December 18 66.0°F
December 22 66.0°F December 17 65.7°F
December 21 66.2°F December 16 64.0°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:
2024
2023
2022

The average sea water temperature in August of 2024 was 87.3°F. The highest and lowest sea temperatures during the month were 88.3°F and 85.6°F.

Sea water temperature in July, °F

Show year:
2024
2023
2022

The average sea water temperature in July of 2024 was 87.9°F. The highest and lowest sea temperatures during the month were 88.7°F and 86.5°F.

Sea water temperature in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 86.8°F. The highest and lowest sea temperatures during the month were 88.0°F and 84.7°F.

Best time for vacation in Siesta Key

Sunniest months:
March 21 days
May 19 days
April 18 days
Warmest months:
July 88.0 °F
August 88.0 °F
June 86.2 °F
Warmest sea temp:
August 87.4 °F
July 87.1 °F
September 86.0 °F
Coldest months:
January 67.5 °F
December 70.2 °F
February 71.1 °F
Rainiest months:
June 6 days
July 4 days
September 4 days
Windiest months:
November 10.8 mph
April 10.4 mph
January 10.2 mph

Siesta Key on a weather map

Siesta Key
+66°F
W 4 mph
Feels like: +66°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+39°F
+75°F
+75°F
+55°F
+59°F
+79°F
+39°F
+66°F
+59°F
+48°F
+70°F
+66°F
+68°F
+37°F
24 Hours Forecast
Siesta Key
Local time: 14:36
December 25, wednesday
1500
66°F
W
4 mph
1800
68°F
W
7 mph
2100
66°F
SW
11 mph
December 26, thursday
0000
64°F
W
11 mph
0300
64°F
W
9 mph
0600
64°F
SW
9 mph
0900
66°F
W
11 mph
1200
72°F
W
11 mph
Units of measurement: °C / °F