Average sea water temperature in August:
+83.6°F
| Minimum sea water temperature in August: | 85.5°F |
| Maximum sea water temperature in August: | 81.1°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.7°F.
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| St. Augustine |
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| St. Augustine |
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| St. Augustine |
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| St. Augustine |
Monthly sea water temperature in St. Augustine, °F
Which USA resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Everglades | 88.8°F | 87.0°F |
| Key West | 88.8°F | 87.8°F |
| Cape Coral | 88.7°F | 86.8°F |
| Naples | 88.7°F | 87.0°F |
| St. Petersburg | 88.7°F | 86.9°F |
| Tampa | 88.6°F | 86.4°F |
| Sarasota | 88.6°F | 87.2°F |
| Siesta Key | 88.6°F | 87.3°F |
| Clearwater Beach | 88.5°F | 87.0°F |
| Miami | 88.1°F | 86.4°F |
| Miami Beach | 87.9°F | 86.5°F |
| Galveston | 87.9°F | 88.3°F |
| Galveston Island | 87.8°F | 88.5°F |
| Houston | 87.8°F | 88.0°F |
| New Orleans | 87.4°F | 88.1°F |
| Fort Lauderdale | 87.2°F | 85.8°F |
| Corpus Christi | 87.0°F | 87.9°F |
| West Palm Beach | 86.8°F | 86.2°F |
| Cocoa Beach | 86.8°F | 84.5°F |
| Pensacola Beach | 86.6°F | 87.4°F |
Best time for vacation in St. Augustine
St. Augustine on a weather map
Places in USA:
Name
°F
24 Hours Forecast
St. Augustine
Local time: 02:00
March 17, tuesday
0300
43°F
SE
12 mph
12 mph
0600
39°F
SE
12 mph
12 mph
0900
41°F
SE
13 mph
13 mph
1200
50°F
S
11 mph
11 mph
1500
54°F
S
7 mph
7 mph
1800
54°F
SW
5 mph
5 mph
2100
54°F
SW
6 mph
6 mph
March 18, wednesday
0000
52°F
S
11 mph
11 mph
