25.12
thu
thu
Day
68°F
N 9 mph
Precip.
0%
0%
Night
57°F
NW 6 mph
Precip.
0%
0%
26.12
fri
fri
Day
61°F
N 13 mph
Precip.
0%
0%
Night
57°F
SE 9 mph
Precip.
100%
100%
27.12
sat
sat
Day
57°F
E 6 mph
Precip.
0%
0%
Night
50°F
S 2 mph
Precip.
0%
0%
28.12
sun
sun
Day
64°F
S 6 mph
Precip.
0%
0%
Night
57°F
SW 9 mph
Precip.
0%
0%
29.12
mon
mon
Day
66°F
SW 4 mph
Precip.
0%
0%
Night
59°F
SW 7 mph
Precip.
0%
0%
30.12
tue
tue
Day
68°F
SW 5 mph
Precip.
0%
0%
Night
64°F
W 6 mph
Precip.
0%
0%
31.12
wed
wed
Day
66°F
NW 2 mph
Precip.
0%
0%
Night
63°F
E 2 mph
Precip.
100%
100%
01.01
thu
thu
Day
66°F
N 8 mph
Precip.
100%
100%
Night
64°F
NW 12 mph
Precip.
100%
100%
02.01
fri
fri
Day
64°F
N 15 mph
Precip.
100%
100%
Night
63°F
N 7 mph
Precip.
100%
100%
03.01
sat
sat
Day
63°F
SE 6 mph
Precip.
100%
100%
Night
59°F
SE 6 mph
Precip.
0%
0%
04.01
sun
sun
Day
59°F
SE 7 mph
Precip.
0%
0%
Night
57°F
S 6 mph
Precip.
0%
0%
05.01
mon
mon
Day
59°F
SE 7 mph
Precip.
56%
56%
Night
55°F
SW 4 mph
Precip.
0%
0%
06.01
tue
tue
Day
59°F
SE 4 mph
Precip.
0%
0%
Night
57°F
S 6 mph
Precip.
0%
0%
07.01
wed
wed
Day
64°F
S 4 mph
Precip.
0%
0%
Night
63°F
SW 7 mph
Precip.
0%
0%
sea water
temperature
temperature
| San Diego |
monthly
weather
weather
| San Diego |
current
weather
weather
| San Diego |
7 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 62.7°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: 23:14
December 26, friday
0000
57°F
NW
6 mph
6 mph
0300
57°F
NW
6 mph
6 mph
0600
57°F
NW
7 mph
7 mph
0900
57°F
NW
9 mph
9 mph
1200
61°F
N
13 mph
13 mph
1500
61°F
NE
14 mph
14 mph
1800
57°F
SE
11 mph
11 mph
2100
57°F
SE
5 mph
5 mph
