San Jose - Recent December Temperatures and Rainfall





The numbers here describe what the December weather in San Jose, California was like for every year since 2010. A series of tables gives December data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot or cold days occurred each December. Then there's information on how much rain actually landed this month during recent years, as well as how often San Jose had wet weather.

The climate data come from weather measurements made at San Jose International Airport.

Temperature Weather iconTemperature

December temperature averages by year in San Jose
High °F Low °F Year High °C Low °C
60 44 2018 16 7
64 40 2017 18 4
59 42 2016 15 5
58 41 2015 15 5
61 48 2014 16 9
60 35 2013 16 2
58 43 2012 14 6
60 38 2011 16 4
60 47 2010 16 8
Number of days in December when the temperature in San Jose dropped to 32 or below, or rose to at least 70 degrees Fahrenheit
32 °F
0 °C
Year 70 °F
21 °C
0 2018 0
0 2017 1
3 2016 0
2 2015 2
0 2014 1
8 2013 1
1 2012 0
4 2011 1
0 2010 0

Rainy Weather iconRain

This table gives the total precipitation that fell on San Jose during December in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for December in San Jose
Days Year Inches Milli­metres
8 2018 1.5 39
1 2017 0.1 2
5 2016 1.5 38
10 2015 2.2 57
15 2014 7.7 197
2 2013 0.1 3
14 2012 4.2 108
3 2011 0.1 2
11 2010 3.1 78
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

San Jose - Recent Years
San Jose - Extremes
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