Current sea water temperature:
+34.5°F
| Minimum sea water temperature in February: | 46.0°F |
| Maximum sea water temperature in February: | 32.0°F |
| Average sea water temperature in February: | 40.2°F |
| more information | |
14 days
forecast
forecast
| South Bethany |
monthly
weather
weather
| South Bethany |
Sea water temperature for the last 10 days:
| February 26 | 34.5°F | February 21 | 35.2°F |
| February 25 | 34.5°F | February 20 | 35.8°F |
| February 24 | 35.4°F | February 19 | 32.5°F |
| February 23 | 35.1°F | February 18 | 32.2°F |
| February 22 | 35.4°F | February 17 | 32.5°F |
Monthly sea water temperature, °F
When is the warmest sea in South Bethany?
Based on the data about daily sea water temperature for the last three years the warmest sea in South Bethany was noticed in July, August and September.
Monthly Sea Temperatures in South Bethany, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 75.6°F. The highest and lowest sea temperatures during the month were 77.9°F and 73.6°F.
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.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 72.7°F. The highest and lowest sea temperatures during the month were 74.7°F and 71.4°F.
current
weather
weather
| South Bethany |
weather in
March
March
| South Bethany |
Best time for vacation in South Bethany
South Bethany on a weather map
Places in USA:
Name
°F
24 Hours Forecast
South Bethany
Local time: 14:45
February 26, thursday
1500

37°F
SW
12 mph
12 mph
1800

37°F
SW
13 mph
13 mph
2100

37°F
SW
11 mph
11 mph
February 27, friday
0000

37°F
SW
8 mph
8 mph
0300

37°F
SW
7 mph
7 mph
0600

37°F
SW
7 mph
7 mph
0900

36°F
W
7 mph
7 mph
1200

37°F
W
4 mph
4 mph




























