World Resorts USA Islamorada Weather

Islamorada Sea Temperature in December

Average sea water temperature in December:
+76.0°F
Minimum sea water temperature in December: 80.8°F
Maximum sea water temperature in December: 70.0°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 76.4°F. The highest and lowest sea temperatures during the month were 79.9°F and 73.8°F.

Monthly sea water temperature in Islamorada, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.2°F 78.3°F
West Palm Beach 79.0°F 78.4°F
Fort Lauderdale 78.7°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kauai 78.2°F 76.0°F
Maui 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Key West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Everglades 73.7°F 69.7°F
South Padre Island 71.8°F 71.9°F
Naples 71.5°F 67.7°F
Cape Coral 71.2°F 67.8°F
Cocoa Beach 69.7°F 66.6°F
Siesta Key 69.3°F 65.6°F
Sarasota 69.2°F 65.6°F
Tampa 68.3°F 65.5°F
Orlando 67.6°F 66.0°F

Best time for vacation in Islamorada

Sunniest months:
February 12 days
December 12 days
January 11 days
Warmest months:
August 85.2 °F
July 85.1 °F
September 84.5 °F
Warmest sea temp:
August 87.6 °F
July 87.2 °F
September 86.7 °F
Coldest months:
January 70.6 °F
February 72.7 °F
December 73.0 °F
Rainiest months:
June 3 days
September 3 days
July 3 days
Windiest months:
November 13.9 mph
March 13.8 mph
April 13.5 mph

Islamorada on a weather map

Islamorada
+68°F
S 27 mph
Feels like: +68°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+75°F
+75°F
+91°F
+84°F
+66°F
+72°F
+72°F
+32°F
+66°F
+63°F
+61°F
+59°F
+75°F
+39°F
24 Hours Forecast
Islamorada
Local time: 20:16
March 18, wednesday
2100
68°F
S
27 mph
March 19, thursday
0000
68°F
SW
24 mph
0300
70°F
SW
23 mph
0600
68°F
S
23 mph
0900
70°F
S
22 mph
1200
73°F
S
17 mph
1500
73°F
SW
21 mph
1800
75°F
SW
22 mph
Units of measurement: °C / °F