Number of Days of 100 °F in Tucson by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Tucson, Arizona, between 1894 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 2020 holds the record for the most 100 °F days in Tucson history. There were 108 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 degrees Fahrenheit in Tucson so far in 2024. As of April 23, the highest temperature this year is 95 °F.

The last time it reached at least 100° F was October 20, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 100 °F
2024	130	0
2023	4	89
2022	27	66
2021	38	63
2020	1	108
2019	15	73
2018	17	71
2017	22	68
2016	44	61
2015	38	63
2014	29	65
2013	12	74
2012	15	73
2011	20	70
2010	12	74
2009	12	74
2008	72	50
2007	29	65
2006	72	50
2005	31	64
2004	62	53
2003	9	75
2002	25	67
2001	31	64
2000	9	75
1999	101	39
1998	72	50
1997	31	64
1996	44	61
1995	38	63
1994	2	99
1993	6	77
1992	20	70
1991	6	77
1990	64	51
1989	3	93
1988	5	78
1987	17	71
1986	27	66
1985	48	59
1984	117	31
1983	56	57
1982	117	31
1981	91	42
1980	51	58
1979	51	58
1978	82	47
1977	76	49
1976	122	28
1975	123	26
1974	111	34
1973	91	42
1972	116	33
1971	111	34
1970	101	39
1969	97	40
1968	110	35
1967	128	21
1966	120	29
1965	123	26
1964	123	26
1963	106	38
1962	89	45
1961	111	34
1960	77	48
1959	101	39
1958	64	51
1957	64	51
1956	31	64
1955	90	43
1954	101	39
1953	38	63
1952	51	58
1951	22	68
1950	109	36
1949	108	37
1948	43	62
1947	130	0
1946	51	58
1945	56	57
1944	22	68
1943	17	71
1942	31	64
1941	64	51
1940	82	47
1939	77	48
1938	86	46
1937	46	60
1936	64	51
1935	94	41
1934	51	58
1933	64	51
1932	63	52
1931	86	46
1930	64	51
1929	77	48
1928	56	57
1927	64	51
1926	61	55
1925	82	47
1924	9	75
1923	126	23
1922	48	59
1921	120	29
1920	72	50
1919	111	34
1918	38	63
1917	25	67
1916	97	40
1915	59	56
1914	106	38
1913	117	31
1912	97	40
1911	77	48
1910	8	76
1909	101	39
1908	97	40
1907	94	41
1906	82	47
1905	86	46
1904	111	34
1903	48	59
1902	77	48
1901	31	64
1900	31	64
1899	59	56
1898	91	42
1897	126	23
1896	94	41
1895	46	60
1894	129	8

Weather Station Details

Years	Station	Coordinates
1947–2024	Tucson International Airport	location
1894–1946	Tucson WFO	location