Average sea water temperature in August:
+74.5°F
| Minimum sea water temperature in August: | 79.5°F |
| Maximum sea water temperature in August: | 68.2°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 75.3°F. The highest and lowest sea temperatures during the month were 78.4°F and 72.9°F.
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| Bethany Beach |
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| Bethany Beach |
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| Bethany Beach |
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| Bethany Beach |
Monthly sea water temperature in Bethany Beach, °F
Which USA resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Everglades | 88.8°F | 87.0°F |
| Islamorada | 88.8°F | 87.3°F |
| Key West | 88.8°F | 87.8°F |
| Cape Coral | 88.7°F | 86.8°F |
| Key Largo | 88.7°F | 87.3°F |
| Marco Island | 88.7°F | 87.1°F |
| Naples | 88.7°F | 87.0°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 |
| 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 |
| Cocoa Beach | 86.8°F | 84.5°F |
| Pensacola | 86.5°F | 87.2°F |
| Mobile | 86.2°F | 87.0°F |
Best time for vacation in Bethany Beach
Bethany Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Bethany Beach
Local time: 03:42
December 05, friday
0600
36°F
SW
9 mph
9 mph
0900
36°F
SW
6 mph
6 mph
1200
37°F
SW
6 mph
6 mph
1500
39°F
S
9 mph
9 mph
1800
43°F
S
7 mph
7 mph
2100
41°F
SW
6 mph
6 mph
December 06, saturday
0000
41°F
S
9 mph
9 mph
0300
41°F
S
12 mph
12 mph
