Average sea water temperature in March:
+76.7°F
| Minimum sea water temperature in March: | 81.1°F |
| Maximum sea water temperature in March: | 70.9°F |
Daily sea water temperature in March, °F
Show year:
2025
2024
2023
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66
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87
The average sea water temperature in March of 2025 was 75.1°F. The highest and lowest sea temperatures during the month were 77.4°F and 73.4°F.
sea water
temperature
temperature
| Key Largo |
monthly
weather
weather
| Key Largo |
current
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| Key Largo |
14 days
forecast
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| Key Largo |
Monthly sea water temperature in Key Largo, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
75.1
78.8
82.8
86.6
87.3
87.3
85.2
82.8
79.7
76.7
74.6
72.9
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 |
| 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 |
| Cocoa Beach | 70.0°F | 71.5°F |
| Tampa | 69.3°F | 71.7°F |
| Sarasota | 68.6°F | 71.4°F |
| Siesta Key | 68.5°F | 71.3°F |
| Clearwater Beach | 67.6°F | 70.4°F |
Best time for vacation in Key Largo
Key Largo on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Key Largo
Local time: 11:21
April 02, wednesday
1200
77°F
W
22 mph
22 mph
1500
77°F
NW
21 mph
21 mph
1800
77°F
W
18 mph
18 mph
2100
77°F
W
20 mph
20 mph
April 03, thursday
0000
77°F
W
24 mph
24 mph
0300
77°F
W
24 mph
24 mph
0600
77°F
NW
25 mph
25 mph
0900
77°F
NW
25 mph
25 mph
