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
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
Galveston 87.9°F 88.3°F
Galveston Island 87.8°F 88.5°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

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 41.2 °F
February 43.7 °F
December 45.7 °F
Rainiest months:
August 3 days
July 3 days
December 3 days
Windiest months:
March 13.5 mph
January 12.9 mph
February 12.6 mph

Bethany Beach on a weather map

Bethany Beach
+37°F
NE 19 mph
Feels like: +28°F
Precip.: 0%
Places in USA:
Name
°F
+34°F
+73°F
+73°F
+46°F
+59°F
+43°F
+54°F
+66°F
+30°F
+63°F
+54°F
+45°F
+43°F
+45°F
+14°F
24 Hours Forecast
Bethany Beach
Local time: 02:43
January 01, thursday
0300
37°F
NE
19 mph
0600
37°F
E
21 mph
0900
37°F
E
20 mph
1200
36°F
SE
25 mph
1500
36°F
SE
22 mph
1800
34°F
E
14 mph
2100
28°F
SE
11 mph
January 02, friday
0000
28°F
SE
11 mph
Units of measurement: °C / °F