21.12
sun
sun
Day
55°F
SE 9 mph
Precip.
0%
0%
Night
50°F
SW 12 mph
Precip.
0%
0%
22.12
mon
mon
Day
48°F
W 12 mph
Precip.
0%
0%
Night
46°F
SW 6 mph
Precip.
0%
0%
23.12
tue
tue
Day
54°F
NE 11 mph
Precip.
0%
0%
Night
57°F
E 9 mph
Precip.
0%
0%
24.12
wed
wed
Day
61°F
SW 9 mph
Precip.
0%
0%
Night
52°F
W 9 mph
Precip.
0%
0%
25.12
thu
thu
Day
61°F
NE 7 mph
Precip.
0%
0%
Night
57°F
NE 7 mph
Precip.
0%
0%
26.12
fri
fri
Day
64°F
NE 12 mph
Precip.
0%
0%
Night
63°F
NE 11 mph
Precip.
0%
0%
27.12
sat
sat
Day
66°F
NE 4 mph
Precip.
0%
0%
Night
57°F
W 11 mph
Precip.
100%
100%
sea water
temperature
temperature
| Myrtle Beach |
monthly
weather
weather
| Myrtle Beach |
current
weather
weather
| Myrtle Beach |
14 days
forecast
forecast
| Myrtle Beach |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 55.6°F. The highest and lowest sea temperatures during the month were 60.6°F and 51.4°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 48.8°F. The highest and lowest sea temperatures during the month were 53.4°F and 44.6°F.
Air temperature in Myrtle Beach, °F
Precipitation total in Myrtle Beach, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Myrtle Beach
Myrtle Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Myrtle Beach
Local time: 12:55
December 21, sunday
1500
63°F
SE
6 mph
6 mph
1800
59°F
S
7 mph
7 mph
2100
55°F
S
9 mph
9 mph
December 22, monday
0000
50°F
SW
12 mph
12 mph
0300
46°F
SW
13 mph
13 mph
0600
41°F
SW
14 mph
14 mph
0900
41°F
SW
14 mph
14 mph
1200
48°F
W
12 mph
12 mph
