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
| 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 |
| 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 |
Rain
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.
| 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.