Average sea water temperature in August:
+87.6°F
| Minimum sea water temperature in August: | 90.7°F |
| Maximum sea water temperature in August: | 84.9°F |
Daily sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 87.7°F. The highest and lowest sea temperatures during the month were 88.5°F and 86.5°F.
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| Key Largo |
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Monthly sea water temperature in Key Largo, °F
Which USA resorts have warmest sea in August?
| Place name | August 2026 | August 2025 |
|---|---|---|
| Key West | 88.1°F | 88.8°F |
| New Orleans | 87.7°F | 87.4°F |
| Houston | 87.7°F | 87.8°F |
| Naples | 87.3°F | 88.7°F |
| St. George Island | 86.5°F | 86.5°F |
| Miami | 86.4°F | 88.1°F |
| Miami Beach | 86.4°F | 87.9°F |
| Santa Rosa Beach | 86.1°F | 85.9°F |
| Sarasota | 86.1°F | 88.6°F |
| Panama City Beach | 86.1°F | 86.2°F |
| West Palm Beach | 86.1°F | 86.8°F |
| Pensacola Beach | 86.0°F | 86.6°F |
| Destin | 85.9°F | 86.0°F |
| Hilton Head Island | 85.9°F | 85.0°F |
| Clearwater Beach | 85.9°F | 88.5°F |
| Tampa | 85.8°F | 88.6°F |
| Edisto Beach | 85.7°F | 84.3°F |
| Tybee Island | 85.7°F | 84.5°F |
| Fort Walton Beach | 85.6°F | 86.0°F |
| Charleston (SC) | 85.3°F | 84.1°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: 16:56
August 15, saturday
1800

88°F
W
14 mph
14 mph
2100

86°F
W
14 mph
14 mph
August 16, sunday
0000

86°F
W
14 mph
14 mph
0300

86°F
NW
11 mph
11 mph
0600

86°F
NW
12 mph
12 mph
0900

86°F
NW
13 mph
13 mph
1200

86°F
W
11 mph
11 mph
1500

86°F
W
11 mph
11 mph




























