Tucson, AZ: records

4 October 2026: The hottest day on record in Tucson, AZ: 117°F on Tuesday 26 June 1990.

All-time records

Hottest day: 117°F; 26 June 1990
Coldest night: 6°F; 7 January 1913
Wettest day: 3.93 in; 29 July 1958
Warmest night: 89°F; 13 July 2020, 22 July 2006
Coldest day: 36°F; 4 January 1949, 3 January 1949, 21 January 1937, 6 January 1913

New daily records set in Tucson, AZ by decade since the 1920s: the most record highs, 101, came in the 2020s; the most record lows, 38, in the 1930s.

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1890s	0	0	6
1900s	0	0	10
1910s	0	0	10
1920s	51	29	10
1930s	85	38	10
1940s	54	13	10
1950s	42	18	10
1960s	11	20	10
1970s	5	5	10
1980s	74	3	10
1990s	66	2	10
2000s	40	3	10
2010s	71	6	10
2020s	101	1	7

Month	Highest	Lowest	Wettest day
January	88°F 4 January 1927	6°F 7 January 1913	2.63 in 19 January 1916
February	92°F 14 February 1957	17°F 7 February 1899	1.26 in 7 February 1966
March	102°F 21 March 2026	20°F 4 March 1965	1.42 in 25 March 1903
April	104°F 21 April 1989, 20 April 1989	27°F 4 April 1945	1.17 in 1 April 1999
May	111°F 29 May 1910	32°F 3 May 1899	1.34 in 15 May 1931
June	117°F 26 June 1990	43°F 4 June 1908	1.56 in 28 June 1938
July	114°F 28 July 1995, 4 July 1989	49°F 3 July 1911	3.93 in 29 July 1958
August	112°F 7 August 2025, 1 August 1993	55°F 20 August 1917	2.88 in 1 August 1935
September	111°F 10 September 2023	43°F 26 September 1913	2.85 in 10 September 1964
October	106°F 4 October 2024	26°F 30 October 1971	2.96 in 1 October 1983
November	94°F 5 November 2023, 5 November 2020, 1 November 1924	19°F 19 November 1921	2.09 in 22 November 1931
December	85°F 22 December 2025, 1 December 2021, 8 December 1939 and 3 more	10°F 14 December 1901	2.15 in 3 December 1906

Every record in words

The coldest night on record in Tucson, AZ: a low of 6°F on Tuesday 7 January 1913.
The wettest day on record in Tucson, AZ: 3.93 in on Tuesday 29 July 1958.
The warmest night on record in Tucson, AZ: a low of 89°F on Monday 13 July 2020 and Saturday 22 July 2006.
The coldest day on record in Tucson, AZ: a high of 36°F on Tuesday 4 January 1949, Monday 3 January 1949, Thursday 21 January 1937 and 1 other day.
The longest run of days with a high of 90°F or above in Tucson, AZ: 127 days, from Friday 17 May to Friday 20 September 2024.
The wettest month on record in Tucson, AZ: July 2021, with 8.06 in of precipitation.
The driest month on record in Tucson, AZ: December 2024, with 0.00 in of precipitation (shared with 106 other months).
The wettest year on record in Tucson, AZ: 1905, with 24.17 in of precipitation.
The driest year on record in Tucson, AZ: 2020, with 4.17 in of precipitation.

Tucson, AZ the day's answers