Average sea water temperature in January:
+73.2°F
| Minimum sea water temperature in January: | 78.8°F |
| Maximum sea water temperature in January: | 66.0°F |
Daily sea water temperature in January, °F
Show year:
2025
2024
2023
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62
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83
The average sea water temperature in January of 2025 was 70.3°F. The highest and lowest sea temperatures during the month were 75.6°F and 66.0°F.
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temperature
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| Key West |
monthly
weather
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| Key West |
current
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| Key West |
14 days
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| Key West |
Monthly sea water temperature in Key West, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
75.7
78.8
83.1
86
87
86.5
84.6
81.9
78.8
75.8
73.7
73.2
Which USA resorts have warmest sea in January?
| Place name | January 2025 | January 2024 |
|---|---|---|
| Kailua Kona | 78.2°F | 77.6°F |
| Honolulu | 77.6°F | 76.6°F |
| Hawaii | 77.5°F | 76.5°F |
| Maui | 76.9°F | 76.8°F |
| Oahu | 76.5°F | 75.6°F |
| West Palm Beach | 75.5°F | 76.5°F |
| Fort Lauderdale | 75.1°F | 75.9°F |
| Kauai | 75.0°F | 76.0°F |
| Miami Beach | 73.1°F | 74.8°F |
| Miami | 70.7°F | 73.1°F |
| Key West | 70.3°F | 72.7°F |
| Everglades | 68.6°F | 71.6°F |
| South Padre Island | 66.7°F | 64.8°F |
| Marco Island | 65.2°F | 67.2°F |
| Naples | 64.7°F | 66.8°F |
| Cape Coral | 64.3°F | 66.2°F |
| Corpus Christi | 61.6°F | 60.3°F |
| Siesta Key | 61.5°F | 63.4°F |
| Pensacola Beach | 61.5°F | 58.7°F |
| Destin | 61.4°F | 58.4°F |
Best time for vacation in Key West
Key West on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Key West
Local time: 15:32
March 29, saturday
1800
77°F
W
22 mph
22 mph
2100
77°F
W
23 mph
23 mph
March 30, sunday
0000
77°F
W
22 mph
22 mph
0300
77°F
NW
21 mph
21 mph
0600
75°F
NW
17 mph
17 mph
0900
75°F
NW
17 mph
17 mph
1200
77°F
NW
13 mph
13 mph
1500
79°F
NW
11 mph
11 mph
