30.12
tue
tue
Day
55°F
S 2 mph
Precip.
0%
0%
Night
55°F
SW 2 mph
Precip.
0%
0%
31.12
wed
wed
Day
50°F
SW 1 mph
Precip.
100%
100%
Night
52°F
W 2 mph
Precip.
100%
100%
01.01
thu
thu
Day
55°F
NW 4 mph
Precip.
0%
0%
Night
54°F
NW 5 mph
Precip.
100%
100%
02.01
fri
fri
Day
59°F
N 12 mph
Precip.
100%
100%
Night
55°F
N 12 mph
Precip.
100%
100%
03.01
sat
sat
Day
54°F
NE 5 mph
Precip.
100%
100%
Night
46°F
N 4 mph
Precip.
0%
0%
04.01
sun
sun
Day
54°F
N 9 mph
Precip.
28%
28%
Night
52°F
NW 11 mph
Precip.
0%
0%
05.01
mon
mon
Day
55°F
NW 14 mph
Precip.
100%
100%
Night
52°F
NW 7 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 53.9°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: 15:20
December 30, tuesday
1800
63°F
SW
2 mph
2 mph
2100
59°F
SW
1 mph
1 mph
December 31, wednesday
0000
55°F
SW
2 mph
2 mph
0300
55°F
SW
2 mph
2 mph
0600
54°F
NW
2 mph
2 mph
0900
52°F
NW
3 mph
3 mph
1200
50°F
SW
1 mph
1 mph
1500
52°F
SW
2 mph
2 mph
