28.12
sun
sun
Day
66°F
S 4 mph
Precip.
0%
0%
Night
54°F
SW 4 mph
Precip.
0%
0%
29.12
mon
mon
Day
70°F
SW 4 mph
Precip.
0%
0%
Night
57°F
SW 7 mph
Precip.
0%
0%
30.12
tue
tue
Day
57°F
SW 3 mph
Precip.
0%
0%
Night
57°F
W 7 mph
Precip.
0%
0%
31.12
wed
wed
Day
63°F
E 2 mph
Precip.
0%
0%
Night
63°F
NW 8 mph
Precip.
100%
100%
01.01
thu
thu
Day
64°F
N 15 mph
Precip.
63%
63%
Night
63°F
N 11 mph
Precip.
100%
100%
02.01
fri
fri
Day
64°F
N 8 mph
Precip.
73%
73%
Night
63°F
N 5 mph
Precip.
100%
100%
03.01
sat
sat
Day
66°F
N 11 mph
Precip.
100%
100%
Night
61°F
NE 6 mph
Precip.
100%
100%
sea water
temperature
temperature
| San Diego |
monthly
weather
weather
| San Diego |
current
weather
weather
| San Diego |
14 days
forecast
forecast
| San Diego |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 62.6°F. The highest and lowest sea temperatures during the month were 63.9°F and 62.1°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 56.0°F. The highest and lowest sea temperatures during the month were 57.0°F and 55.6°F.
Air temperature in San Diego, °F
Precipitation total in San Diego, in.
* Charts above show average data for the last 3 years.
Best time for vacation in San Diego
San Diego on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Diego
Local time: 22:44
December 29, monday
0000
54°F
SW
4 mph
4 mph
0300
50°F
SW
5 mph
5 mph
0600
46°F
W
5 mph
5 mph
0900
52°F
SW
6 mph
6 mph
1200
70°F
SW
4 mph
4 mph
1500
75°F
SW
1 mph
1 mph
1800
68°F
W
3 mph
3 mph
2100
59°F
W
7 mph
7 mph
