25.12
thu
thu
Day
55°F
NE 19 mph
Precip.
0%
0%
Night
48°F
NE 23 mph
Precip.
100%
100%
26.12
fri
fri
Day
54°F
N 19 mph
Precip.
0%
0%
Night
52°F
NE 13 mph
Precip.
100%
100%
27.12
sat
sat
Day
50°F
S 4 mph
Precip.
0%
0%
Night
50°F
SW 6 mph
Precip.
0%
0%
28.12
sun
sun
Day
45°F
SW 4 mph
Precip.
0%
0%
Night
50°F
SW 9 mph
Precip.
0%
0%
29.12
mon
mon
Day
52°F
SW 9 mph
Precip.
0%
0%
Night
50°F
SW 9 mph
Precip.
0%
0%
30.12
tue
tue
Day
54°F
SW 8 mph
Precip.
0%
0%
Night
52°F
SW 7 mph
Precip.
0%
0%
31.12
wed
wed
Day
54°F
SW 7 mph
Precip.
0%
0%
Night
54°F
SW 4 mph
Precip.
100%
100%
01.01
thu
thu
Day
52°F
SW 7 mph
Precip.
100%
100%
Night
54°F
SW 7 mph
Precip.
100%
100%
02.01
fri
fri
Day
57°F
NE 17 mph
Precip.
100%
100%
Night
54°F
NE 17 mph
Precip.
68%
68%
03.01
sat
sat
Day
54°F
N 6 mph
Precip.
88%
88%
Night
52°F
NW 7 mph
Precip.
100%
100%
04.01
sun
sun
Day
54°F
N 11 mph
Precip.
100%
100%
Night
52°F
E 9 mph
Precip.
70%
70%
05.01
mon
mon
Day
52°F
NW 6 mph
Precip.
0%
0%
Night
50°F
SE 9 mph
Precip.
0%
0%
06.01
tue
tue
Day
50°F
NW 4 mph
Precip.
0%
0%
Night
52°F
S 4 mph
Precip.
0%
0%
07.01
wed
wed
Day
54°F
W 4 mph
Precip.
0%
0%
Night
54°F
S 5 mph
Precip.
0%
0%
sea water
temperature
temperature
| San Francisco |
monthly
weather
weather
| San Francisco |
current
weather
weather
| San Francisco |
7 days
forecast
forecast
| San Francisco |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 54.7°F. The highest and lowest sea temperatures during the month were 57.0°F and 53.2°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 52.7°F. The highest and lowest sea temperatures during the month were 53.4°F and 51.8°F.
Air temperature in San Francisco, °F
Precipitation total in San Francisco, in.
* Charts above show average data for the last 3 years.
Best time for vacation in San Francisco
San Francisco on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Francisco
Local time: 17:41
December 25, thursday
1800
50°F
N
25 mph
25 mph
2100
50°F
NE
22 mph
22 mph
December 26, friday
0000
48°F
NE
23 mph
23 mph
0300
48°F
N
17 mph
17 mph
0600
52°F
N
16 mph
16 mph
0900
54°F
N
16 mph
16 mph
1200
54°F
N
19 mph
19 mph
1500
54°F
N
20 mph
20 mph
