Lowest Daily High Temperatures in St. George History

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

Lowest temperatures all-time

Record for the lowest daily high temperature in St. George

The lowest high temperature for a calendar day in St. George, Utah history was 17 °F which happened on Friday, January 22, 1937.

Rank	Temperature	Date
1	17 °F	January 22, 1937
2	19 °F	January 24, 1937
3	21 °F	January 21, 1937
4	23 °F	January 23, 1937
4	23 °F	January 9, 1937
6	24 °F	January 25, 1937
7	25 °F	January 27, 1937
7	25 °F	January 26, 1937
9	26 °F	December 13, 1932
9	26 °F	January 19, 1922
9	26 °F	January 17, 1917
9	26 °F	December 28, 1916
13	27 °F	December 23, 1990
13	27 °F	February 6, 1989
13	27 °F	January 8, 1937
16	28 °F	January 4, 1950
16	28 °F	January 6, 1913
18	29 °F	February 7, 1989
18	29 °F	January 7, 1973
18	29 °F	January 6, 1973
18	29 °F	January 7, 1971
18	29 °F	January 13, 1963
18	29 °F	January 28, 1937
18	29 °F	December 12, 1932
18	29 °F	December 25, 1924