Lowest Daily High Temperatures in Tucson History

This is a list of the coldest daily high temperatures ever recorded in Tucson, Arizona history from 1894–2024 based on data from the NOAA.

Lowest temperatures all-time

Record for the lowest daily high temperature in Tucson

The lowest high temperature for a calendar day in Tucson, Arizona history was 36 °F which has happened 4 times, most recently on Tuesday January 4, 1949.

Rank	Temperature	Date
1	36 °F	January 4, 1949
1	36 °F	January 3, 1949
1	36 °F	January 21, 1937
1	36 °F	January 6, 1913
5	37 °F	January 5, 1910
5	37 °F	February 6, 1899
7	38 °F	February 3, 2011
7	38 °F	December 8, 1978
7	38 °F	December 8, 1971
7	38 °F	January 2, 1906
11	39 °F	December 7, 1978
11	39 °F	January 5, 1971
11	39 °F	January 4, 1971
11	39 °F	January 20, 1935
11	39 °F	January 7, 1913
16	40 °F	January 17, 1987
16	40 °F	February 1, 1985
16	40 °F	January 6, 1971
16	40 °F	January 13, 1963
16	40 °F	January 20, 1937
16	40 °F	January 7, 1937
16	40 °F	November 22, 1931
16	40 °F	December 11, 1923
16	40 °F	December 18, 1909