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

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 Tucson, Arizona history. It is based on NOAA data from the years 1894–2024.

Earliest freezing temperature in Tucson?

The earliest in a winter season that Tucson, Arizona has recorded a low temperature of 32 °F or below is October 16 which happened in 1899.

Latest freezing temperature in Tucson?

The latest in a winter season that Tucson, Arizona has recorded a low temperature of 32 °F or below is May 3 which happened in 1899.

Earliest Days ≤ 32 °F

Date	Year	Temperature
October 16	1899	32 °F
October 22	1908	29 °F
October 22	1906	32 °F
October 23	1908	32 °F
October 23	1906	29 °F
October 26	1899	32 °F
October 27	2020	32 °F
October 28	1897	29 °F
October 29	1912	32 °F
October 30	1971	26 °F
October 30	1929	32 °F
October 31	2019	32 °F
October 31	1922	32 °F
October 31	1912	31 °F
October 31	1900	29 °F
November 1	1972	32 °F
November 1	1946	32 °F
November 1	1912	32 °F
November 1	1900	32 °F
November 3	1956	28 °F
November 3	1946	24 °F
November 3	1936	31 °F

Latest Days ≤ 32 °F

Date	Year	Temperature
May 3	1899	32 °F
April 24	1942	31 °F
April 19	1941	32 °F
April 18	1896	31 °F
April 17	1924	30 °F
April 11	1945	32 °F
April 11	1922	32 °F
April 10	1922	28 °F
April 7	1909	30 °F
April 7	1895	31 °F
April 6	1936	32 °F
April 6	1921	32 °F
April 5	2023	32 °F
April 5	1901	28 °F
April 4	1945	29 °F
April 4	1934	31 °F
April 3	1906	31 °F
April 3	1897	30 °F
April 2	1936	31 °F
April 2	1925	32 °F
April 2	1917	28 °F
April 2	1897	30 °F