24.12
wed
wed
Day
55°F
NW 8 mph
Precip.
0%
0%
Night
55°F
N 19 mph
Precip.
100%
100%
25.12
thu
thu
Day
55°F
N 15 mph
Precip.
100%
100%
Night
54°F
N 17 mph
Precip.
100%
100%
26.12
fri
fri
Day
52°F
N 12 mph
Precip.
100%
100%
Night
52°F
N 9 mph
Precip.
100%
100%
27.12
sat
sat
Day
54°F
SW 4 mph
Precip.
80%
80%
Night
46°F
S 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
45°F
SW 2 mph
Precip.
0%
0%
30.12
tue
tue
Day
55°F
SW 3 mph
Precip.
0%
0%
Night
50°F
W 2 mph
Precip.
0%
0%
sea water
temperature
temperature
| San Jose |
monthly
weather
weather
| San Jose |
current
weather
weather
| San Jose |
14 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: 02:04
December 24, wednesday
0300
59°F
N
19 mph
19 mph
0600
55°F
NE
19 mph
19 mph
0900
55°F
N
5 mph
5 mph
1200
55°F
NW
8 mph
8 mph
1500
59°F
NW
9 mph
9 mph
1800
55°F
NW
9 mph
9 mph
2100
55°F
NW
14 mph
14 mph
December 25, thursday
0000
55°F
N
19 mph
19 mph
