Measurements:
°C
°F
CURRENT WEATHER
16:20
San Jose
62°F
SE 6 mph
Feels like: 62°F
Precip: 0%
World Resorts USA San Jose Weather

7 Day Weather Forecast

12.17
wed
DAY
60°F
NE 1 mph
precip
100%
NIGHT
50°F
SE 4 mph
precip
0%
12.18
thu
DAY
58°F
SE 4 mph
precip
0%
NIGHT
52°F
SE 1 mph
precip
0%
12.19
fri
DAY
56°F
SE 4 mph
precip
0%
NIGHT
52°F
S 1 mph
precip
0%
12.20
sat
DAY
66°F
NE 2 mph
precip
0%
NIGHT
60°F
N 6 mph
precip
100%
12.21
sun
DAY
64°F
N 3 mph
precip
0%
NIGHT
56°F
N 5 mph
precip
0%
12.22
mon
DAY
62°F
N 6 mph
precip
0%
NIGHT
52°F
N 3 mph
precip
0%
12.23
tue
DAY
60°F
N 9 mph
precip
29%
NIGHT
52°F
SE 3 mph
precip
100%

San Jose Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for San Jose was 12.5°F. The maximum and minimum values were 11.1°F and 13.8°F respectively.

San Jose on the Weather Map

Best Time to Visit San Jose
The most sunny months:
July 29 days
August 29 days
June 25 days
The most warm months:
July 89.8 °F
August 89.6 °F
September 84.5 °F
Warmest sea temperature:
September 64.9 °F
August 64.4 °F
July 64.2 °F
The most cold months:
December 57.5 °F
January 58.6 °F
February 60.3 °F
The most rainy months:
February 3 days
January 3 days
March 3 days
The most windy months:
May 6 mph
April 6 mph
June 6 mph
more details