San Diego - Recent January Temperatures and Rainfall

The numbers here describe what the January weather in San Diego, 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 Diego had wet weather.

The climate data come from weather measurements made at San Diego's International Airport.

Temperature Weather iconTemperature

January temperature averages by year in San Diego
High °F Low °F Year High °C Low °C
64 48 2023 18 9
67 47 2022 19 8
68 48 2021 20 9
68 49 2020 20 10
66 51 2019 19 11
70 53 2018 21 12
64 51 2017 18 11
65 52 2016 19 11
69 52 2015 21 11
71 52 2014 21 11
65 47 2013 18 8
67 49 2012 20 9
69 51 2011 21 11
67 50 2010 19 10
Number of days in January when the temperature in San Diego dropped to 32 or below, or rose to at least 70 degrees Fahrenheit
32 °F
0 °C
Year 70 °F
21 °C
0 2023 2
0 2022 9
0 2021 11
0 2020 9
0 2019 8
0 2018 12
0 2017 5
0 2016 7
0 2015 17
0 2014 15
0 2013 7
0 2012 11
0 2011 14
0 2010 9

Rainy Weather iconRain

This table gives the total precipitation that fell on San Diego 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 Diego
Days Year Inches Milli­metres
14 2023 5.2 131
2 2022 0.2 4
7 2021 1.8 46
3 2020 0.5 12
9 2019 2.8 71
5 2018 1.8 45
11 2017 3.0 77
9 2016 3.2 82
4 2015 0.4 11
1 2014 0.0 0
5 2013 1.2 31
4 2012 0.4 10
3 2011 0.3 8
9 2010 3.4 86
Reference

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

San Diego - Recent Years
San Diego - Extremes
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