Current sea water temperature:
+70.2°F
| Minimum sea water temperature in June: | 78.8°F |
| Maximum sea water temperature in June: | 60.8°F |
| Average sea water temperature in June: | 67.6°F |
| more information | |
14 days
forecast
forecast
| Bethany Beach |
monthly
weather
weather
| Bethany Beach |
Sea water temperature for the last 10 days:
| June 29 | 70.2°F | June 24 | 67.8°F |
| June 28 | 71.1°F | June 23 | 70.7°F |
| June 27 | 68.9°F | June 22 | 70.9°F |
| June 26 | 70.5°F | June 21 | 68.2°F |
| June 25 | 69.8°F | June 20 | 69.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Bethany Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Bethany Beach was noticed in July, August and September.
Monthly Sea Temperatures in Bethany Beach, °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
| Bethany Beach |
weather in
July
July
| Bethany Beach |
Best time for vacation in Bethany Beach
Bethany Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Bethany Beach
Local time: 04:09
June 29, monday
0600
70°F
SW
9 mph
9 mph
0900
70°F
SW
10 mph
10 mph
1200
72°F
W
9 mph
9 mph
1500
72°F
W
9 mph
9 mph
1800
73°F
NW
7 mph
7 mph
2100
72°F
NW
7 mph
7 mph
June 30, tuesday
0000
72°F
N
9 mph
9 mph
0300
72°F
N
7 mph
7 mph
