World Resorts USA San Jose Weather

San Jose weather in December

Weather in San Jose: December

Average day temperature: 56.5°F
Average night temperature: 44.9°F
Sea water temperature: 54.7°F
Number of sunny days: 15 days
Day length: 9.6 - 9.8 hours
Number of rainy days: 3 days
Precipitation totals: 1.8 in.

Air temperature in December, °F

Show year:
2023
2022
2021

The highest day temperature during December of 2023 was 73°F. At the same time the lowest night temperature was 44°F. Day and night temperature averages during December were 60.2°F and 50.1°F.

Sea water temperature in San Jose in December, °F

Show year:
2023
2022
2021

The average sea water temperature in December of 2023 was 55.3°F. The highest and lowest sea temperatures during the month were 56.7°F and 54.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are sunny but cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in San Jose in December is 1.4 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 4.4 mph It makes December one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.4.

Best time for vacation in San Jose

Sunniest months:
July 29 days
August 29 days
June 26 days
Warmest months:
August 85.8 °F
July 85.8 °F
September 81.0 °F
Warmest sea temp:
September 62.5 °F
August 62.3 °F
July 61.8 °F
Coldest months:
December 56.5 °F
January 57.7 °F
February 59.4 °F
Rainiest months:
February 3 days
January 3 days
December 3 days
Windiest months:
May 6.7 mph
April 6.5 mph
June 6.5 mph

San Jose on a weather map

San Jose
+46°F
NW 6 mph
Feels like: +43°F
Precip.: 100%
Places in USA:
Name
°F
+41°F
+43°F
+72°F
+72°F
+54°F
+52°F
+72°F
+43°F
+63°F
+55°F
+50°F
+64°F
+63°F
+64°F
+39°F
24 Hours Forecast
San Jose
Local time: 05:53
March 29, friday
0600
46°F
NW
6 mph
0900
46°F
N
9 mph
1200
48°F
NW
12 mph
1500
48°F
NW
12 mph
1800
48°F
NW
11 mph
2100
48°F
N
11 mph
March 30, saturday
0000
48°F
N
9 mph
0300
46°F
NW
8 mph
Units of measurement: °C / °F