World Resorts USA Bethany Beach Weather

Bethany Beach Sea Temperature in May

Average sea water temperature in May:
+58.5°F
Minimum sea water temperature in May: 65.7°F
Maximum sea water temperature in May: 51.3°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 59.6°F. The highest and lowest sea temperatures during the month were 63.0°F and 54.5°F.

Monthly sea water temperature in Bethany Beach, °F

Which USA resorts have warmest sea in May?

Place name May 2025 May 2024
Everglades 84.5°F 84.6°F
Islamorada 83.6°F 84.4°F
Key West 83.5°F 84.6°F
Naples 83.5°F 83.8°F
Marco Island 83.5°F 84.0°F
Key Largo 83.5°F 84.1°F
Cape Coral 83.4°F 83.6°F
Sanibel Island 83.1°F 83.2°F
Sarasota 82.7°F 82.9°F
Tampa 82.7°F 82.5°F
St. Petersburg 82.6°F 82.4°F
Clearwater Beach 82.6°F 82.5°F
Miami 82.6°F 83.3°F
Siesta Key 82.5°F 82.6°F
Miami Beach 82.4°F 83.0°F
Fort Lauderdale 81.1°F 81.7°F
West Palm Beach 81.1°F 81.5°F
Corpus Christi 80.9°F 81.0°F
Pensacola 80.1°F 79.4°F
South Padre Island 80.0°F 81.1°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
S 5 mph
Feels like: +36°F
Precip.: 0%
Places in USA:
Name
°F
+39°F
+73°F
+73°F
+59°F
+61°F
+66°F
+73°F
+66°F
+30°F
+64°F
+54°F
+63°F
+61°F
+68°F
+39°F
24 Hours Forecast
Bethany Beach
Local time: 01:25
December 25, thursday
0300
41°F
NW
1 mph
0600
39°F
NE
7 mph
0900
41°F
NE
15 mph
1200
41°F
NE
19 mph
1500
43°F
E
13 mph
1800
43°F
SE
14 mph
2100
39°F
S
16 mph
December 26, friday
0000
37°F
S
19 mph
Units of measurement: °C / °F