Measurements:
°C
°F
South Bethany
60°F
E 9 mph
Feels like: 58°F
Precip: 5%
World Resorts USA South Bethany Weather

South Bethany Sea Water Temperature

Current Sea Water Temperature:
+61.8°F
Maximum Sea Water Temperature in October: 74.8°F
Minimum Sea Water Temperature in October: 61.0°F
Average water temperature in October: 68.0°F

Sea Water Temperature for the Last 10 Days:

October 26 61.8°F October 21 64.6°F
October 25 62.2°F October 20 65.2°F
October 24 62.6°F October 19 65.8°F
October 23 63.0°F October 18 68.4°F
October 22 63.4°F October 17 70.2°F

When is the Warmest Sea for South Bethany?

According to our data for the last three years for South Bethany the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for South Bethany was 78.6°F. The maximum and minimum values were 76.6°F and 81.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for South Bethany was 76.7°F. The maximum and minimum values were 73.8°F and 79.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for South Bethany was 77.0°F. The maximum and minimum values were 67.2°F and 81.6°F respectively.

Best Time to Visit South Bethany
The most sunny months:
November 17 days
June 15 days
October 15 days
The most warm months:
July 85.4 °F
August 82.8 °F
June 79.3 °F
Warmest sea temperature:
August 77.2 °F
July 77.1 °F
September 76.0 °F
The most cold months:
January 39.9 °F
February 42.8 °F
December 45.5 °F
The most rainy months:
August 3 days
July 3 days
April 2 days
The most windy months:
March 12 mph
January 12 mph
February 11 mph

South Bethany on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +74
Washington +58
24 Hours Weather Forecast
South Bethany
Local time: 23:51
27 oct, tuesday
0000 60°F
E
9 mph
0300 60°F
SE
11 mph
0600 60°F
S
14 mph
0900 58°F
S
17 mph
1200 60°F
SW
14 mph
1500 60°F
SW
16 mph
1800 60°F
SW
14 mph
2100 60°F
W
13 mph