21.12
sun
sun
Day
55°F
N 10 mph
Precip.
0%
0%
Night
55°F
N 6 mph
Precip.
100%
100%
22.12
mon
mon
Day
57°F
S 2 mph
Precip.
100%
100%
Night
55°F
S 1 mph
Precip.
100%
100%
23.12
tue
tue
Day
57°F
N 6 mph
Precip.
0%
0%
Night
55°F
N 9 mph
Precip.
100%
100%
24.12
wed
wed
Day
55°F
N 8 mph
Precip.
71%
71%
Night
55°F
NW 19 mph
Precip.
100%
100%
25.12
thu
thu
Day
52°F
N 15 mph
Precip.
100%
100%
Night
52°F
N 11 mph
Precip.
100%
100%
26.12
fri
fri
Day
55°F
NW 10 mph
Precip.
100%
100%
Night
54°F
N 6 mph
Precip.
100%
100%
27.12
sat
sat
Day
55°F
NW 5 mph
Precip.
69%
69%
Night
50°F
SE 1 mph
Precip.
44%
44%
28.12
sun
sun
Day
55°F
SE 3 mph
Precip.
22%
22%
Night
46°F
NE 1 mph
Precip.
0%
0%
29.12
mon
mon
Day
54°F
SE 1 mph
Precip.
0%
0%
Night
46°F
W 2 mph
Precip.
0%
0%
30.12
tue
tue
Day
55°F
NW 2 mph
Precip.
0%
0%
Night
50°F
W 2 mph
Precip.
0%
0%
31.12
wed
wed
Day
59°F
NE 1 mph
Precip.
0%
0%
Night
52°F
N 4 mph
Precip.
0%
0%
01.01
thu
thu
Day
54°F
NW 5 mph
Precip.
100%
100%
Night
54°F
N 5 mph
Precip.
100%
100%
02.01
fri
fri
Day
52°F
E 2 mph
Precip.
100%
100%
Night
48°F
N 7 mph
Precip.
100%
100%
03.01
sat
sat
Day
52°F
NE 11 mph
Precip.
100%
100%
Night
46°F
E 6 mph
Precip.
100%
100%
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 54.2°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: 03:21
December 21, sunday
0600
57°F
N
7 mph
7 mph
0900
55°F
N
8 mph
8 mph
1200
55°F
N
10 mph
10 mph
1500
57°F
N
12 mph
12 mph
1800
57°F
N
9 mph
9 mph
2100
55°F
N
7 mph
7 mph
December 22, monday
0000
55°F
N
6 mph
6 mph
0300
54°F
N
2 mph
2 mph
