World Resorts USA Bethany Beach Weather

Bethany Beach Sea Temperature in August

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.

Monthly sea water temperature in Bethany Beach, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Sanibel Island 88.8°F 87.3°F
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
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
Bay Saint Louis 86.6°F 87.6°F
Pensacola 86.5°F 87.2°F

Best time for vacation in Bethany Beach

Sunniest months:
November 17 days
October 16 days
March 13 days
Warmest months:
July 80.2 °F
August 78.0 °F
June 74.3 °F
Warmest sea temp:
July 74.5 °F
August 74.4 °F
September 73.3 °F
Coldest months:
January 41.2 °F
February 43.7 °F
December 46.5 °F
Rainiest months:
August 3 days
December 3 days
July 3 days
Windiest months:
March 13.5 mph
January 12.9 mph
February 12.6 mph

Bethany Beach on a weather map

Bethany Beach
+41°F
E 7 mph
Feels like: +36°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+77°F
+77°F
+70°F
+70°F
+73°F
+77°F
+73°F
+37°F
+66°F
+52°F
+73°F
+75°F
+63°F
+36°F
24 Hours Forecast
Bethany Beach
Local time: 15:33
December 16, tuesday
1800
39°F
NE
6 mph
2100
36°F
NE
10 mph
December 17, wednesday
0000
37°F
NE
12 mph
0300
37°F
NE
16 mph
0600
37°F
NE
19 mph
0900
39°F
NE
19 mph
1200
45°F
NE
19 mph
1500
45°F
NE
17 mph
Units of measurement: °C / °F