World Resorts USA Bethany Beach Weather

Bethany Beach Sea Temperature in August

Average sea water temperature in August:
+74.7°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 75.8°F. The highest and lowest sea temperatures during the month were 77.9°F and 73.9°F.

Monthly sea water temperature in Bethany Beach, °F

Which USA resorts have warmest sea in August?

Place name August 2026 August 2025
Key West 88.8°F 88.8°F
Key Largo 88.4°F 88.7°F
Naples 88.1°F 88.7°F
New Orleans 88.0°F 87.4°F
Houston 87.8°F 87.8°F
Cape Coral 87.6°F 88.7°F
Miami 87.3°F 88.1°F
Long Beach (MS) 87.2°F 86.6°F
Miami Beach 87.1°F 87.9°F
Sarasota 87.1°F 88.6°F
Siesta Key 87.1°F 88.6°F
Pensacola 86.9°F 86.5°F
Clearwater Beach 86.8°F 88.5°F
Tampa 86.8°F 88.6°F
Fort Lauderdale 86.8°F 87.2°F
St. George Island 86.7°F 86.5°F
Corpus Christi 86.5°F 87.0°F
West Palm Beach 86.4°F 86.8°F
Pensacola Beach 86.4°F 86.6°F
Orange Beach 86.3°F 86.5°F

Best time for vacation in Bethany Beach

Sunniest months:
November 17 days
October 16 days
June 15 days
Warmest months:
July 80.1 °F
August 77.9 °F
June 74.3 °F
Warmest sea temp:
August 74.6 °F
July 74.5 °F
September 73.4 °F
Coldest months:
January 40.7 °F
February 42.6 °F
December 45.7 °F
Rainiest months:
August 3 days
December 3 days
July 3 days
Windiest months:
March 13.6 mph
January 13.2 mph
February 12.9 mph

Bethany Beach on a weather map

Bethany Beach
+68°F
NW 9 mph
Feels like: +68°F
Precip.: 75%
Places in USA:
Name
°F
+63°F
+61°F
+75°F
+84°F
+88°F
+86°F
+66°F
+79°F
+61°F
+84°F
+70°F
+86°F
+84°F
+61°F
24 Hours Forecast
Bethany Beach
Local time: 11:22
October 04, sunday
1200
66°F
SW
19 mph
1500
66°F
SW
20 mph
1800
66°F
SW
17 mph
2100
66°F
SW
17 mph
October 05, monday
0000
66°F
SW
14 mph
0300
64°F
S
11 mph
0600
64°F
SE
11 mph
0900
63°F
SE
7 mph
Units of measurement: °C / °F