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
Galveston 87.3°F 87.9°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
+59°F
W 6 mph
Feels like: +59°F
Precip.: 3%
Places in USA:
Name
°F
+48°F
+52°F
+77°F
+63°F
+72°F
+79°F
+72°F
+55°F
+70°F
+59°F
+70°F
+70°F
+73°F
+61°F
24 Hours Forecast
Bethany Beach
Local time: 23:50
October 25, sunday
0000
59°F
W
6 mph
0300
59°F
SW
7 mph
0600
59°F
SW
7 mph
0900
57°F
SW
8 mph
1200
55°F
SW
7 mph
1500
55°F
SW
8 mph
1800
57°F
W
6 mph
2100
59°F
W
4 mph
Units of measurement: °C / °F