Measurements:
°C
°F
San Jose
44°F
SW 1 mph
Feels like: 42°F
Precip: 0%
World Resorts USA San Jose Weather December Weather in San Jose

San Jose Weather: December

Average Day Temperature: 57.5°F
Average Night Temperature: 44.7°F
Sea Water Temperature: 55.2°F
Number of Sunny Days: 15 days
Sunshine Hours: 9.6 - 9.8 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.6 in

Air Temperature in December, °F

Select Year: 2024 2023 2022

The highest day temperature in December 2024 was 72°F. The lowest night temperature was 42°F. The average values for day and night temperatures during December were 61.5°F и 49.1°F respectivly.

San Jose Water Sea Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for San Jose was 54.4°F. The maximum and minimum values were 53.4°F and 55.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in December, in

Precipitation total in December for San Jose is 1.6 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 4.8 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Jose in December is 5.7 hours.

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

San Jose on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
San Jose
Local time: 00:43
05 dec, friday
0300 42°F
W
1 mph
0600 42°F
SW
2 mph
0900 46°F
SW
1 mph
1200 64°F
SE
2 mph
1500 68°F
SE
2 mph
1800 60°F
SE
2 mph
2100 54°F
NW
1 mph
06 dec, saturday
0000 52°F
NW
1 mph