Florida water temperature in March
| Min (°C/°F) | Avg (°C/°F) | Max (°C/°F) | Current (°C/°F) | |
|---|---|---|---|---|
| Biscayne Bay | 20.7 (69.2) | 23.2 (73.8) | 25.8 (78.4) | 26.2 (79.1) |
| Captiva Island | 17.1 (62.7) | 19.8 (67.6) | 22.6 (72.6) | 23.1 (73.6) |
| Clearwater | 16.6 (61.9) | 19.3 (66.7) | 22 (71.6) | 22 (71.6) |
| Clearwater Beach | 16.6 (61.9) | 19.3 (66.7) | 22 (71.6) | 21.8 (71.3) |
| Cocoa Beach | 20.1 (68.2) | 21.9 (71.4) | 23.7 (74.7) | 24.7 (76.5) |
| Crystal River | 13.7 (56.7) | 17.7 (63.9) | 21.7 (71.1) | 20.6 (69.1) |
| Daytona Beach | 15.8 (60.4) | 18.2 (64.8) | 20.7 (69.2) | 21.8 (71.2) |
| Destin | 15.5 (59.8) | 18.0 (64.4) | 20.6 (69) | 19.6 (67.3) |
| Fort Lauderdale | 20.6 (69) | 22.9 (73.2) | 25.3 (77.5) | 25.6 (78.1) |
| Fort Myers | 18.2 (64.8) | 20.8 (69.4) | 23.4 (74.1) | 23.3 (74) |
| Fort Myers Beach | 18.2 (64.8) | 20.8 (69.4) | 23.4 (74.1) | 23.4 (74.1) |
| Jacksonville Beach | 13.4 (56) | 15.9 (60.6) | 18.5 (65.2) | 19.8 (67.6) |
| Jupiter | 20.6 (69) | 22.9 (73.2) | 25.3 (77.5) | 25.5 (78) |
| Key Biscayne | 20.7 (69.2) | 23.2 (73.8) | 25.8 (78.4) | 25.7 (78.3) |
| Key Largo | 20.7 (69.2) | 23.2 (73.8) | 25.8 (78.4) | 27.1 (80.7) |
| Key West | 20.3 (68.5) | 22.9 (73.2) | 25.6 (78) | 26.1 (78.9) |
| Manatee Bay | 17.1 (62.7) | 19.8 (67.6) | 22.6 (72.6) | 23.2 (73.8) |
| Marco Island | 17.9 (64.1) | 20.9 (69.6) | 24 (75.1) | 23.7 (74.6) |
| Miami | 20.7 (69.2) | 23.2 (73.8) | 25.8 (78.4) | 25.8 (78.4) |
| Miami Beach | 20.7 (69.2) | 23.2 (73.8) | 25.8 (78.4) | 25.7 (78.2) |
| Naples | 18.2 (64.8) | 20.8 (69.4) | 23.4 (74.1) | 23.6 (74.5) |
| North Fort Myers | 18.2 (64.8) | 20.8 (69.4) | 23.4 (74.1) | 23.3 (73.9) |
| Panama City Beach | 15.3 (59.5) | 17.7 (63.9) | 20.1 (68.2) | 20.2 (68.3) |
| Pensacola | 13.7 (56.7) | 17.5 (63.5) | 21.3 (70.3) | 20.1 (68.2) |
| Ponce Inlet | 18.2 (64.8) | 20.4 (68.7) | 22.6 (72.7) | 22 (71.7) |
| Port Richey | 13.7 (56.7) | 17.7 (63.9) | 21.7 (71.1) | 21.6 (70.9) |
| Port Saint Lucie | 21 (69.8) | 22.9 (73.2) | 24.8 (76.6) | 24.6 (76.3) |
| Saint Augustine | 15.8 (60.4) | 18.2 (64.8) | 20.7 (69.2) | 20.6 (69.1) |
| Saint Pete Beach | 16.6 (61.9) | 19.3 (66.7) | 22 (71.6) | 23.2 (73.7) |
| Saint Petersburg | 16.6 (61.9) | 19.3 (66.7) | 22 (71.6) | 23.1 (73.5) |
| Sanibel | 17.1 (62.7) | 19.8 (67.6) | 22.6 (72.6) | 23.3 (74) |
| Sarasota | 16.6 (61.9) | 19.3 (66.7) | 22 (71.6) | 22.7 (72.9) |
| Siesta Key | 16.6 (61.9) | 19.3 (66.7) | 22 (71.6) | 22.7 (72.9) |
| Sunny Isles Beach | 20.7 (69.2) | 23.2 (73.8) | 25.8 (78.4) | 25.6 (78) |
| Tampa | 16.6 (61.9) | 19.3 (66.7) | 22 (71.6) | 23.6 (74.4) |
| Tampa Bay | 16.6 (61.9) | 19.3 (66.7) | 22 (71.6) | 24 (75.2) |
| Titusville | 20.1 (68.2) | 21.9 (71.4) | 23.7 (74.7) | 23.7 (74.6) |
| Venice | 16.6 (61.9) | 19.3 (66.7) | 22 (71.6) | 22.8 (73.1) |
| West Palm Beach | 20.6 (69) | 22.9 (73.2) | 25.3 (77.5) | 26 (78.8) |