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.
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Monthly sea water temperature in Key West, °F
Which USA resorts have warmest sea in March?
| Place name | March 2025 | March 2024 |
|---|---|---|
| Kailua Kona | 77.7°F | 76.5°F |
| 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 |
| 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: 23:33
December 30, tuesday
0000
72°F
SE
6 mph
6 mph
0300
72°F
SE
9 mph
9 mph
0600
72°F
SE
11 mph
11 mph
0900
70°F
S
21 mph
21 mph
1200
70°F
S
21 mph
21 mph
1500
70°F
S
21 mph
21 mph
1800
68°F
SE
22 mph
22 mph
2100
66°F
S
22 mph
22 mph
