Average sea water temperature in December:
+75.3°F
| Minimum sea water temperature in December: | 80.6°F |
| Maximum sea water temperature in December: | 69.4°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 76.3°F. The highest and lowest sea temperatures during the month were 79.5°F and 73.8°F.
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| Key Largo |
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| Key Largo |
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| Key Largo |
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| Key Largo |
Monthly sea water temperature in Key Largo, °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 |
| South Padre Island | 71.8°F | 71.9°F |
| Naples | 71.5°F | 67.7°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 |
| St. Petersburg | 67.5°F | 64.3°F |
| Daytona Beach | 67.1°F | 65.8°F |
| Clearwater Beach | 66.8°F | 62.9°F |
Best time for vacation in Key Largo
Key Largo on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Key Largo
Local time: 15:55
July 11, saturday
1800
86°F
NW
11 mph
11 mph
2100
84°F
NW
6 mph
6 mph
July 12, sunday
0000
84°F
S
6 mph
6 mph
0300
82°F
SW
11 mph
11 mph
0600
84°F
W
10 mph
10 mph
0900
84°F
W
15 mph
15 mph
1200
84°F
W
13 mph
13 mph
1500
84°F
W
13 mph
13 mph
