Florida water temperature in December
| Min (°C/°F) | Avg (°C/°F) | Max (°C/°F) | Current (°C/°F) | |
|---|---|---|---|---|
| Biscayne Bay | 22.6 (72.6) | 23.7 (74.7) | 24.9 (76.7) | 26.2 (79.1) |
| Captiva Island | 19.5 (67.1) | 21.1 (70) | 22.7 (72.9) | 23.1 (73.6) |
| Clearwater | 18.4 (65) | 20.3 (68.5) | 22.3 (72.1) | 22 (71.6) |
| Clearwater Beach | 18.4 (65) | 20.3 (68.5) | 22.3 (72.1) | 21.8 (71.3) |
| Cocoa Beach | 21.6 (70.9) | 23.0 (73.4) | 24.4 (75.9) | 24.7 (76.5) |
| Crystal River | 14.1 (57.4) | 16.9 (62.4) | 19.7 (67.5) | 20.6 (69.1) |
| Daytona Beach | 17.2 (63) | 19.1 (66.4) | 21 (69.8) | 21.8 (71.2) |
| Destin | 17.3 (63.1) | 19.1 (66.4) | 20.9 (69.6) | 19.6 (67.3) |
| Fort Lauderdale | 22.2 (72) | 23.5 (74.3) | 24.8 (76.6) | 25.6 (78.1) |
| Fort Myers | 20.3 (68.5) | 21.8 (71.2) | 23.3 (73.9) | 23.3 (74) |
| Fort Myers Beach | 20.3 (68.5) | 21.8 (71.2) | 23.3 (73.9) | 23.4 (74.1) |
| Jacksonville Beach | 15.3 (59.5) | 17.4 (63.3) | 19.6 (67.2) | 19.8 (67.6) |
| Jupiter | 22.2 (72) | 23.5 (74.3) | 24.8 (76.6) | 25.5 (78) |
| Key Biscayne | 22.6 (72.6) | 23.7 (74.7) | 24.9 (76.7) | 25.7 (78.3) |
| Key Largo | 22.6 (72.6) | 23.7 (74.7) | 24.9 (76.7) | 27.1 (80.7) |
| Key West | 22.2 (72) | 23.6 (74.5) | 25 (77) | 26.1 (78.9) |
| Manatee Bay | 19.5 (67.1) | 21.1 (70) | 22.7 (72.9) | 23.2 (73.8) |
| Marco Island | 20.4 (68.6) | 21.9 (71.4) | 23.5 (74.2) | 23.7 (74.6) |
| Miami | 22.6 (72.6) | 23.7 (74.7) | 24.9 (76.7) | 25.8 (78.4) |
| Miami Beach | 22.6 (72.6) | 23.7 (74.7) | 24.9 (76.7) | 25.7 (78.2) |
| Naples | 20.3 (68.5) | 21.8 (71.2) | 23.3 (73.9) | 23.6 (74.5) |
| North Fort Myers | 20.3 (68.5) | 21.8 (71.2) | 23.3 (73.9) | 23.3 (73.9) |
| Panama City Beach | 16.8 (62.2) | 18.7 (65.7) | 20.6 (69.1) | 20.2 (68.3) |
| Pensacola | 15.9 (60.5) | 18.0 (64.4) | 20.2 (68.3) | 20.1 (68.2) |
| Ponce Inlet | 19.9 (67.8) | 21.7 (71.1) | 23.5 (74.3) | 22 (71.7) |
| Port Richey | 14.1 (57.4) | 16.9 (62.4) | 19.7 (67.5) | 21.6 (70.9) |
| Port Saint Lucie | 22.2 (71.9) | 23.5 (74.3) | 24.9 (76.7) | 24.6 (76.3) |
| Saint Augustine | 17.2 (63) | 19.1 (66.4) | 21 (69.8) | 20.6 (69.1) |
| Saint Pete Beach | 18.4 (65) | 20.3 (68.5) | 22.3 (72.1) | 23.2 (73.7) |
| Saint Petersburg | 18.4 (65) | 20.3 (68.5) | 22.3 (72.1) | 23.1 (73.5) |
| Sanibel | 19.5 (67.1) | 21.1 (70) | 22.7 (72.9) | 23.3 (74) |
| Sarasota | 18.4 (65) | 20.3 (68.5) | 22.3 (72.1) | 22.7 (72.9) |
| Siesta Key | 18.4 (65) | 20.3 (68.5) | 22.3 (72.1) | 22.7 (72.9) |
| Sunny Isles Beach | 22.6 (72.6) | 23.7 (74.7) | 24.9 (76.7) | 25.6 (78) |
| Tampa | 18.4 (65) | 20.3 (68.5) | 22.3 (72.1) | 23.6 (74.4) |
| Tampa Bay | 18.4 (65) | 20.3 (68.5) | 22.3 (72.1) | 24 (75.2) |
| Titusville | 21.6 (70.9) | 23.0 (73.4) | 24.4 (75.9) | 23.7 (74.6) |
| Venice | 18.4 (65) | 20.3 (68.5) | 22.3 (72.1) | 22.8 (73.1) |
| West Palm Beach | 22.2 (72) | 23.5 (74.3) | 24.8 (76.6) | 26 (78.8) |