Earliest and Latest Days at or Below 32° F in Flagstaff

This is a list of the earliest and latest days in a winter season where the low temperature fell to at least 32 °F in Flagstaff, Arizona history. It is based on NOAA data from the years 1893–2024.

Earliest freezing temperature in Flagstaff?

The earliest in a winter season that Flagstaff, Arizona has recorded a low temperature of 32 °F or below is July 5 which happened in 1955.

Latest freezing temperature in Flagstaff?

The latest in a winter season that Flagstaff, Arizona has recorded a low temperature of 32 °F or below is June 29 which happened in 2005.

Earliest Days ≤ 32 °F

Date	Year	Temperature
July 5	1955	32 °F
July 7	1955	32 °F
July 8	1955	32 °F
August 22	1968	32 °F
August 23	1968	24 °F
August 24	1968	30 °F
September 4	1999	32 °F
September 4	1961	27 °F
September 5	2004	32 °F
September 5	1961	31 °F
September 9	2001	31 °F
September 9	1941	31 °F
September 10	2020	26 °F
September 11	2020	30 °F
September 11	1986	30 °F
September 12	2020	32 °F
September 12	1985	25 °F
September 12	1952	32 °F
September 13	1988	29 °F
September 13	1985	32 °F
September 13	1952	26 °F
September 13	1951	32 °F
September 13	1942	32 °F

Latest Days ≤ 32 °F

Date	Year	Temperature
June 29	2005	32 °F
June 28	1965	30 °F
June 28	1941	30 °F
June 28	1895	28 °F
June 27	1991	32 °F
June 27	1965	26 °F
June 26	1975	26 °F
June 25	1976	32 °F
June 25	1965	30 °F
June 25	1963	31 °F
June 24	2023	29 °F
June 24	1975	32 °F
June 22	1991	32 °F
June 21	1995	31 °F
June 21	1975	28 °F
June 21	1952	32 °F
June 20	2022	31 °F
June 20	2011	30 °F
June 20	1995	32 °F
June 20	1979	30 °F
June 20	1965	31 °F
June 20	1964	32 °F