San Jose - Recent January Temperatures and Rainfall

The numbers here describe what the January weather in San Jose, California was like for every year since 2010. A series of tables gives January 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 January. 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

January temperature averages by year in San Jose
High °F Low °F Year High °C Low °C
60 44 2023 15 7
63 42 2022 17 5
62 43 2021 17 6
60 42 2020 15 6
62 45 2019 16 7
63 46 2018 17 8
57 42 2017 14 6
61 47 2016 16 8
62 41 2015 17 5
66 42 2014 19 5
58 37 2013 15 3
62 40 2012 17 4
60 42 2011 16 6
58 44 2010 14 7
Number of days in January 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 2023 0
1 2022 0
1 2021 5
0 2020 0
0 2019 0
0 2018 2
1 2017 0
0 2016 0
3 2015 3
0 2014 7
7 2013 0
3 2012 0
1 2011 4
0 2010 0

Rainy Weather iconRain

This table gives the total precipitation that fell on San Jose during January 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 January in San Jose
Days Year Inches Milli­metres
12 2023 3.5 89
0 2022 0.0 0
7 2021 2.8 72
8 2020 0.8 21
13 2019 2.9 73
11 2018 3.2 81
16 2017 5.6 142
18 2016 4.1 104
1 2015 0.0 0
3 2014 0.1 3
8 2013 0.7 18
5 2012 0.9 23
6 2011 1.0 24
13 2010 4.6 117
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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