25.12
thu
thu
Day
55°F
N 13 mph
Precip.
0%
0%
Night
54°F
N 15 mph
Precip.
100%
100%
26.12
fri
fri
Day
54°F
N 11 mph
Precip.
0%
0%
Night
52°F
NW 4 mph
Precip.
0%
0%
27.12
sat
sat
Day
52°F
SW 1 mph
Precip.
0%
0%
Night
46°F
SW 2 mph
Precip.
0%
0%
28.12
sun
sun
Day
54°F
S 3 mph
Precip.
0%
0%
Night
45°F
SW 2 mph
Precip.
0%
0%
29.12
mon
mon
Day
55°F
NW 2 mph
Precip.
0%
0%
Night
46°F
W 2 mph
Precip.
0%
0%
30.12
tue
tue
Day
59°F
NW 2 mph
Precip.
0%
0%
Night
48°F
W 2 mph
Precip.
0%
0%
31.12
wed
wed
Day
54°F
SW 2 mph
Precip.
0%
0%
Night
54°F
W 1 mph
Precip.
100%
100%
01.01
thu
thu
Day
55°F
N 6 mph
Precip.
100%
100%
Night
54°F
SE 4 mph
Precip.
100%
100%
02.01
fri
fri
Day
54°F
SE 7 mph
Precip.
0%
0%
Night
45°F
SE 2 mph
Precip.
0%
0%
03.01
sat
sat
Day
50°F
SE 4 mph
Precip.
0%
0%
Night
43°F
SE 2 mph
Precip.
0%
0%
04.01
sun
sun
Day
52°F
SE 3 mph
Precip.
0%
0%
Night
45°F
NE 1 mph
Precip.
0%
0%
05.01
mon
mon
Day
54°F
SE 2 mph
Precip.
0%
0%
Night
48°F
SE 3 mph
Precip.
20%
20%
06.01
tue
tue
Day
52°F
S 6 mph
Precip.
0%
0%
Night
43°F
SW 2 mph
Precip.
0%
0%
sea water
temperature
temperature
| San Jose |
monthly
weather
weather
| San Jose |
current
weather
weather
| San Jose |
7 days
forecast
forecast
| San Jose |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 54.0°F. The highest and lowest sea temperatures during the month were 56.8°F and 52.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 52.5°F. The highest and lowest sea temperatures during the month were 54.9°F and 50.5°F.
Air temperature in San Jose, °F
Precipitation total in San Jose, in.
* Charts above show average data for the last 3 years.
Best time for vacation in San Jose
San Jose on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Jose
Local time: 00:46
December 25, thursday
0300
54°F
N
21 mph
21 mph
0600
54°F
N
18 mph
18 mph
0900
54°F
N
11 mph
11 mph
1200
55°F
N
13 mph
13 mph
1500
57°F
N
14 mph
14 mph
1800
55°F
N
14 mph
14 mph
2100
55°F
N
21 mph
21 mph
December 26, friday
0000
54°F
N
15 mph
15 mph
