Average sea water temperature in March:
+75.8°F
| Minimum sea water temperature in March: | 80.2°F |
| Maximum sea water temperature in March: | 70.7°F |
Daily sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 74.5°F. The highest and lowest sea temperatures during the month were 77.2°F and 72.3°F.
sea water
temperature
temperature
| Key West |
monthly
weather
weather
| Key West |
current
weather
weather
| Key West |
14 days
forecast
forecast
| Key West |
Monthly sea water temperature in Key West, °F
Which USA resorts have warmest sea in March?
| Place name | March 2025 | March 2024 |
|---|---|---|
| Honolulu | 76.8°F | 75.8°F |
| Hawaii | 76.7°F | 75.7°F |
| Maui | 76.0°F | 75.1°F |
| West Palm Beach | 75.8°F | 76.6°F |
| Fort Lauderdale | 75.8°F | 75.7°F |
| Oahu | 75.7°F | 74.5°F |
| Miami Beach | 75.3°F | 76.0°F |
| Islamorada | 75.2°F | 77.3°F |
| Key Largo | 75.1°F | 76.9°F |
| Kauai | 75.0°F | 74.5°F |
| Key West | 74.5°F | 76.5°F |
| Everglades | 74.4°F | 77.3°F |
| Miami | 74.4°F | 75.5°F |
| Marco Island | 71.8°F | 74.5°F |
| Cape Coral | 71.7°F | 74.2°F |
| Naples | 71.4°F | 73.8°F |
| Sanibel Island | 70.9°F | 73.0°F |
| Cocoa Beach | 70.0°F | 71.5°F |
| Tampa | 69.3°F | 71.7°F |
| St. Petersburg | 68.8°F | 71.8°F |
Best time for vacation in Key West
Key West on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Key West
Local time: 05:23
December 22, monday
0600
73°F
SW
19 mph
19 mph
0900
73°F
SW
21 mph
21 mph
1200
77°F
SW
21 mph
21 mph
1500
79°F
W
22 mph
22 mph
1800
77°F
W
25 mph
25 mph
2100
72°F
W
25 mph
25 mph
December 23, tuesday
0000
73°F
W
24 mph
24 mph
0300
73°F
W
24 mph
24 mph
