All-time weather records — South Tucson, AZ

Record high
115.0°F
June 19, 1960
Record low
6.1°F
January 7, 1913
Wettest day
4.16 in
October 1, 1983

Climate change signal in South Tucson

0%

of South Tucson's all-time daily heat records were set in the last decade (0 of 366 records since 2015).

0%

of all-time daily cold records were set in the last decade (0 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1890s
16
42
1900s
17
78
1910s
28
79
1920s
23
48
1930s
19
28
1940s
31
39
1950s
71
18
1960s
49
31
1970s
33
2
1980s
34
1
1990s
37
·
2000s
8
·

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1894, the latest in 2007. Period of observation: 1894-2008.

Records by month

Month Hottest day Coldest day Wettest day
January 90.0°F — Jan 19, 1971 6.1°F — Jan 7, 1913 2.63 in — Jan 19, 1916
February 93.0°F — Feb 14, 1957 17.1°F — Feb 7, 1899 1.25 in — Feb 25, 1987
March 98.1°F — Mar 26, 1988 21.9°F — Mar 4, 1965 1.42 in — Mar 25, 1903
April 104.0°F — Apr 20, 1989 28.0°F — Apr 2, 1917 1.27 in — Apr 15, 1988
May 111.0°F — May 29, 1910 6.1°F — May 26, 1989 1.34 in — May 15, 1931
June 115.0°F — Jun 19, 1960 43.0°F — Jun 4, 1908 1.56 in — Jun 28, 1938
July 115.0°F — Jul 28, 1995 48.9°F — Jul 3, 1911 2.36 in — Jul 30, 1950
August 111.9°F — Aug 4, 1944 55.0°F — Aug 20, 1917 2.88 in — Aug 1, 1935
September 111.9°F — Sep 1, 1950 42.1°F — Sep 30, 1965 2.84 in — Sep 26, 1962
October 104.0°F — Oct 11, 1950 28.9°F — Oct 22, 1908 4.16 in — Oct 1, 1983
November 93.9°F — Nov 1, 1924 19.0°F — Nov 19, 1921 2.09 in — Nov 22, 1931
December 88.0°F — Dec 6, 1970 10.0°F — Dec 14, 1901 2.15 in — Dec 3, 1906

Click a month to see every daily record for that month in South Tucson.