Average sea water temperature in July:
+87.2°F
| Minimum sea water temperature in July: | 91.2°F |
| Maximum sea water temperature in July: | 83.5°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 89.2°F and 84.4°F.
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| Key Largo |
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| Key Largo |
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| Key Largo |
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| Key Largo |
Monthly sea water temperature in Key Largo, °F
Which USA resorts have warmest sea in July?
| Place name | July 2025 | July 2024 |
|---|---|---|
| New Orleans | 87.4°F | 87.1°F |
| Clearwater Beach | 87.1°F | 88.3°F |
| St. Petersburg | 87.0°F | 88.0°F |
| Sarasota | 86.9°F | 87.9°F |
| Siesta Key | 86.9°F | 87.9°F |
| Pensacola | 86.9°F | 87.3°F |
| Tampa | 86.8°F | 87.4°F |
| Key West | 86.7°F | 87.6°F |
| Naples | 86.6°F | 87.2°F |
| Miami | 86.3°F | 86.9°F |
| Panama City Beach | 86.3°F | 86.8°F |
| Houston | 86.3°F | 86.4°F |
| Destin | 86.3°F | 86.6°F |
| Miami Beach | 86.0°F | 86.5°F |
| Fort Lauderdale | 85.0°F | 86.0°F |
| Washington | 84.8°F | 83.9°F |
| Charleston (SC) | 84.7°F | 85.2°F |
| West Palm Beach | 84.6°F | 85.7°F |
| Isle of Palms | 84.3°F | 85.0°F |
| Tangier Island | 84.0°F | 82.0°F |
Best time for vacation in Key Largo
Key Largo on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Key Largo
Local time: 14:59
July 11, saturday
1500

88°F
W
15 mph
15 mph
1800

86°F
NW
11 mph
11 mph
2100

84°F
NW
6 mph
6 mph
July 12, sunday
0000

84°F
S
6 mph
6 mph
0300

82°F
SW
11 mph
11 mph
0600

84°F
W
10 mph
10 mph
0900

84°F
W
15 mph
15 mph
1200

84°F
W
13 mph
13 mph



























