25.12
thu
thu
Day
41°F
NE 19 mph
Precip.
0%
0%
Night
37°F
S 19 mph
Precip.
0%
0%
26.12
fri
fri
Day
30°F
W 8 mph
Precip.
0%
0%
Night
37°F
N 12 mph
Precip.
100%
100%
27.12
sat
sat
Day
45°F
SW 13 mph
Precip.
0%
0%
Night
37°F
S 13 mph
Precip.
0%
0%
28.12
sun
sun
Day
37°F
E 6 mph
Precip.
0%
0%
Night
45°F
N 20 mph
Precip.
0%
0%
29.12
mon
mon
Day
52°F
E 26 mph
Precip.
100%
100%
Night
32°F
SE 25 mph
Precip.
0%
0%
30.12
tue
tue
Day
30°F
E 27 mph
Precip.
0%
0%
Night
30°F
SE 21 mph
Precip.
0%
0%
31.12
wed
wed
Day
34°F
E 15 mph
Precip.
0%
0%
Night
36°F
NE 12 mph
Precip.
0%
0%
sea water
temperature
temperature
| Bethany Beach |
monthly
weather
weather
| Bethany Beach |
current
weather
weather
| Bethany Beach |
14 days
forecast
forecast
| Bethany Beach |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 44.8°F. The highest and lowest sea temperatures during the month were 50.5°F and 41.5°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 38.9°F. The highest and lowest sea temperatures during the month were 45.5°F and 34.9°F.
Air temperature in Bethany Beach, °F
Precipitation total in Bethany Beach, in.
* Charts above show average data for the last 3 years.
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: 01:23
December 25, thursday
0300
41°F
NW
1 mph
1 mph
0600
39°F
NE
7 mph
7 mph
0900
41°F
NE
15 mph
15 mph
1200
41°F
NE
19 mph
19 mph
1500
43°F
E
13 mph
13 mph
1800
43°F
SE
14 mph
14 mph
2100
39°F
S
16 mph
16 mph
December 26, friday
0000
37°F
S
19 mph
19 mph
