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
Everglades 88.8°F 87.0°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
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
Hialeah 87.9°F 86.2°F
Galveston 87.9°F 88.3°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

Best time for vacation in Bethany Beach

Sunniest months:
November 17 days
October 16 days
December 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 40.7 °F
February 42.6 °F
December 45.7 °F
Rainiest months:
August 3 days
July 3 days
December 3 days
Windiest months:
March 13.6 mph
January 13.2 mph
February 12.9 mph

Bethany Beach on a weather map

Bethany Beach
+66°F
W 16 mph
Feels like: +66°F
Precip.: 2%
Places in USA:
Name
°F
+77°F
+77°F
+100°F
+79°F
+88°F
+90°F
+72°F
+79°F
+70°F
+64°F
+68°F
+95°F
+102°F
+88°F
+77°F
24 Hours Forecast
Bethany Beach
Local time: 16:19
June 08, monday
1800
66°F
W
15 mph
2100
63°F
W
13 mph
June 09, tuesday
0000
61°F
NW
11 mph
0300
61°F
NW
11 mph
0600
63°F
N
7 mph
0900
64°F
NE
7 mph
1200
66°F
N
11 mph
1500
68°F
N
14 mph
Units of measurement: °C / °F