World Resorts USA South Bethany Weather

South Bethany Sea Temperature in March

Average sea water temperature in March:
+45.3°F
Minimum sea water temperature in March: 49.5°F
Maximum sea water temperature in March: 39.4°F

Daily sea water temperature in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 44.8°F. The highest and lowest sea temperatures during the month were 49.5°F and 40.1°F.

Monthly sea water temperature in South Bethany, °F

Which USA resorts have warmest sea in March?

Place name March 2025 March 2024
Kailua Kona 77.7°F 76.5°F
Honolulu 76.8°F 75.8°F
Hawaii 76.7°F 75.7°F
Maui 76.0°F 75.1°F
West Palm Beach 75.8°F 76.6°F
Fort Lauderdale 75.8°F 75.7°F
Oahu 75.7°F 74.5°F
Miami Beach 75.3°F 76.0°F
Islamorada 75.2°F 77.3°F
Key Largo 75.1°F 76.9°F
Kauai 75.0°F 74.5°F
Key West 74.5°F 76.5°F
Everglades 74.4°F 77.3°F
Miami 74.4°F 75.5°F
Marco Island 71.8°F 74.5°F
Naples 71.4°F 73.8°F
Sanibel Island 70.9°F 73.0°F
Cocoa Beach 70.0°F 71.5°F
Tampa 69.3°F 71.7°F
St. Petersburg 68.8°F 71.8°F

Best time for vacation in South Bethany

Sunniest months:
November 17 days
October 15 days
December 13 days
Warmest months:
July 82.3 °F
August 79.8 °F
June 76.6 °F
Warmest sea temp:
July 74.4 °F
August 74.3 °F
September 73.3 °F
Coldest months:
January 41.5 °F
February 44.7 °F
December 46.0 °F
Rainiest months:
August 4 days
July 3 days
October 3 days
Windiest months:
March 12.0 mph
January 11.5 mph
April 11.3 mph

South Bethany on a weather map

South Bethany
+39°F
NW 14 mph
Feels like: +30°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+75°F
+75°F
+59°F
+59°F
+79°F
+77°F
+72°F
+28°F
+61°F
+54°F
+70°F
+72°F
+77°F
+48°F
24 Hours Forecast
South Bethany
Local time: 17:29
December 26, friday
1800
39°F
NW
14 mph
2100
39°F
N
21 mph
December 27, saturday
0000
41°F
N
12 mph
0300
41°F
N
9 mph
0600
39°F
SE
7 mph
0900
39°F
SE
15 mph
1200
41°F
SE
22 mph
1500
43°F
S
21 mph
Units of measurement: °C / °F