Lowest Daily High Temperatures in Flagstaff History

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

Lowest temperatures all-time

Record for the lowest daily high temperature in Flagstaff

The lowest high temperature for a calendar day in Flagstaff, Arizona history was 5 °F which happened on Saturday, January 12, 1963.

Rank	Temperature	Date
1	5 °F	January 12, 1963
2	7 °F	February 6, 1989
3	8 °F	January 6, 1971
4	10 °F	December 7, 1978
4	10 °F	January 5, 1971
6	12 °F	February 2, 2011
6	12 °F	December 8, 1978
6	12 °F	January 4, 1971
6	12 °F	January 22, 1937
10	14 °F	December 21, 1990
10	14 °F	February 7, 1933
10	14 °F	December 22, 1905
13	15 °F	January 29, 1979
13	15 °F	January 24, 1937
13	15 °F	January 21, 1937
16	16 °F	January 14, 2013
16	16 °F	December 23, 1990
16	16 °F	January 20, 1937
16	16 °F	January 20, 1935
16	16 °F	December 29, 1905