World Resorts USA Siesta Key Weather

Siesta Key Sea Temperature in April

Average sea water temperature in April:
+76.1°F
Minimum sea water temperature in April: 80.2°F
Maximum sea water temperature in April: 70.9°F

Daily sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 75.7°F. The highest and lowest sea temperatures during the month were 78.8°F and 72.5°F.

Monthly sea water temperature in Siesta Key, °F

Which USA resorts have warmest sea in April?

Place name April 2025 April 2024
Everglades 78.8°F 78.0°F
Key Largo 78.5°F 77.3°F
Islamorada 78.4°F 77.5°F
Miami Beach 78.3°F 77.1°F
Kailua Kona 78.1°F 76.9°F
Fort Lauderdale 78.0°F 76.9°F
Key West 78.0°F 77.6°F
Miami 77.9°F 76.9°F
Honolulu 77.4°F 76.2°F
Hawaii 77.3°F 76.1°F
Marco Island 77.3°F 76.6°F
Cape Coral 77.2°F 76.3°F
Naples 77.0°F 76.3°F
Tampa 76.6°F 74.1°F
Maui 76.6°F 75.4°F
Oahu 76.4°F 75.0°F
Sarasota 76.0°F 74.3°F
Siesta Key 75.7°F 74.3°F
Clearwater Beach 75.6°F 73.5°F
Cocoa Beach 75.1°F 73.9°F

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
+64°F
W 4 mph
Feels like: +64°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+45°F
+55°F
+70°F
+77°F
+70°F
+23°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Siesta Key
Local time: 00:58
December 05, friday
0300
63°F
W
6 mph
0600
63°F
NW
7 mph
0900
66°F
N
7 mph
1200
70°F
N
12 mph
1500
72°F
N
11 mph
1800
72°F
N
7 mph
2100
72°F
N
7 mph
December 06, saturday
0000
72°F
NE
6 mph
Units of measurement: °C / °F