Lowest Daily High Temperatures in San Antonio History

This is a list of the coldest daily high temperatures ever recorded in San Antonio, Texas history from 1893–2024 based on data from the NOAA.

Lowest temperatures all-time

Record for the lowest daily high temperature in San Antonio

The lowest high temperature for a calendar day in San Antonio, Texas history was 22 °F which happened on Tuesday, January 12, 1909.

Rank	Temperature	Date
1	22 °F	January 12, 1909
2	23 °F	December 22, 1989
2	23 °F	January 30, 1951
4	24 °F	February 1, 1985
4	24 °F	December 19, 1909
6	25 °F	December 24, 1983
6	25 °F	January 31, 1951
6	25 °F	February 12, 1899
9	26 °F	February 16, 2021
9	26 °F	December 22, 1990
9	26 °F	January 10, 1962
12	27 °F	January 11, 1982
13	28 °F	February 15, 2021
13	28 °F	February 3, 2011
13	28 °F	January 13, 1997
13	28 °F	January 30, 1949
13	28 °F	January 28, 1948
13	28 °F	December 28, 1925
13	28 °F	February 1, 1918
13	28 °F	January 3, 1911