San Antonio - Recent January Temperatures, Rain & Snow





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

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many days each January were hot or dropped below freezing. Then there's information on how much rain and snow actually landed this month during recent years, as well as how often San Antonio had wet or snowy weather.

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

Temperature Weather iconTemperature

January temperature averages by year in San Antonio
High °F Low °F Year High °C Low °C
66 41 2021 19 5
68 47 2020 20 9
62 42 2019 17 6
61 38 2018 16 3
70 45 2017 21 7
64 40 2016 18 4
60 39 2015 16 4
64 38 2014 18 3
65 43 2013 18 6
68 44 2012 20 7
61 40 2011 16 4
60 39 2010 16 4
Number of days in January when the temperature in San Antonio dropped to 32 or below, or rose to at least 70 or 90 degrees Fahrenheit
32 °F
0 °C
Year 70 °F
21 °C
90 °F
32 °C
5 2021 12 0
0 2020 15 0
3 2019 7 0
8 2018 9 0
3 2017 22 0
2 2016 7 0
2 2015 8 0
8 2014 13 0
5 2013 12 0
3 2012 15 0
3 2011 7 0
9 2010 8 0

Rainy Weather iconPrecipitation

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

Total precipitation for January in San Antonio
Days Year Inches Milli­metres
7 2021 1.0 26
8 2020 1.9 47
8 2019 1.6 41
4 2018 0.3 7
7 2017 2.7 69
5 2016 1.4 35
9 2015 3.7 93
4 2014 0.2 6
5 2013 2.8 72
5 2012 4.0 101
7 2011 2.7 68
5 2010 4.5 113

Snowy Weather iconSnow

Amount of snowfall in San Antonio for January and number of days when new snow totalled at least 1 inch (2.5 centimetres)
Days Year Inches Centi­metres
0 2021 0.2 1
0 2020 0.0 0
0 2019 0.0 0
0 2018 0.0 0
0 2017 0.0 0
0 2016 0.0 0
0 2015 0.0 0
0 2014 0.1 0
0 2013 0.0 0
0 2012 0.0 0
0 2011 0.0 0
0 2010 0.0 0
Reference

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

San Antonio - Recent Years
San Antonio - Extremes
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