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Tucson, Arizona
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National Weather Service Tucson Arizona
First date of 100 degree or greater across southeast Arizona
Location Average date Earliest Latest Record period
Pima County
Organ Pipe N.M May 10 April 6, 1989 June 16, 1982 since 1948
Ajo May 18 April 7, 1930 May 18, 1954 since 1914
Anvil Ranch May 25 April 19, 1989 June 16, 1982 since 1948
Tucson May 26 April 19, 1989 June 22, 1905 since 1894
Click on Tucson for yearly listing
Pinal County
Eloy May 10 April 7, 1989 June 11, 1972 since 1951
San Manuel June 8 May 18, 1970 June 29, 1965 since 1954
Oracle June 25 May 26, 1951 August 2, 1918 since 1893
San Carlos Res. June 2 May 13, 1959 June 23, 1965 since 1948
Santa Cruz County
Tumacacori N.M. May 27 April 20, 1989 June 20, 1999 since 1948
Nogales June 6 May 12, 1996 June 26, 1982 since 1952
Canelo June 19 May 12, 1996 July 26, 1995 since 1910
Santa Rita Exp. June 19 May 12, 1996 July 31, 1986 since 1950
Cochise County
Cascabel May 24 April 19, 1989 June 18, 1976 since 1969
Bowie May 31 May 3, 1923 June 19, 1972 since 1899
San Simon June 2 May 3, 1947 June 21, 1999 since 1898
Benson June 6 May 3, 1947 June 22, 1999 since 1923
Willcox June 13 May 8, 1989 June 26, 1935 since 1898
Douglas June 13 May 12, 1996 June 29, 1986 since 1948
Tombstone June 14 May 6, 1989 July 5, 1905 since 1893
Pearce-Sunsites June 14 May 11, 1996 July 1, 1967 since 1950
Sierra Vista June 17 May 22, 1989 June 29, 1986 since 1900
Coronado N.M. June 23 May 28, 1984 July 31, 1986 since 1960
Chiricahua N.M. June 24 May 28, 1910 July 27, 1995 since 1909
Portal June 30 June 25, 1994 July 11, 1958 since 1951
Graham County
Fort Thomas May 31 April 21, 1989 June 20, 1998 since 1958
Safford June 1 April 28, 2000 June 23, 1967 since 1948
Black River Pumps July 8 June 24, 1990 July 25, 1995 since 1948
Greenlee County
Clifton June 1 May 2, 1947 July 6, 1943 since 1893
Duncan June 10 April 27, 2000 July 10, 1958 since 1901
         
Due to the different period of records, the data presented may have some odd looking dates when comparing relatively close sites
         

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