All-time weather records — Superior, AZ

Record high
111.9°F
July 29, 1995
Record low
18.0°F
December 9, 1996
Wettest day
3.80 in
August 14, 1990

Climate change signal in Superior

0%

of Superior'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 #
1920s
·
·
1930s
·
·
1940s
·
·
1950s
31
44
1960s
51
77
1970s
95
102
1980s
74
82
1990s
46
50
2000s
69
11

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 1953, the latest in 2006. Period of observation: 1920-2006.

Records by month

Month Hottest day Coldest day Wettest day
January 81.0°F — Jan 18, 1971 19.9°F — Jan 4, 1975 2.56 in — Jan 24, 1943
February 87.1°F — Feb 7, 1963 19.9°F — Feb 12, 1972 2.53 in — Feb 13, 2005
March 91.0°F — Mar 11, 1989 24.1°F — Mar 2, 1971 3.66 in — Mar 22, 1954
April 96.1°F — Apr 20, 1989 28.9°F — Apr 6, 1981 1.49 in — Apr 2, 1999
May 105.1°F — May 29, 2000 34.0°F — May 4, 1982 1.73 in — May 2, 1941
June 111.0°F — Jun 24, 1974 50.0°F — Jun 1, 1991 1.24 in — Jun 23, 1972
July 111.9°F — Jul 29, 1995 59.0°F — Jul 22, 1986 2.00 in — Jul 18, 1976
August 109.9°F — Aug 25, 1985 36.0°F — Aug 1, 1988 3.80 in — Aug 14, 1990
September 109.0°F — Sep 17, 1986 37.0°F — Sep 23, 1992 2.75 in — Sep 18, 1946
October 102.0°F — Oct 2, 1980 33.1°F — Oct 11, 1973 3.72 in — Oct 30, 1959
November 96.1°F — Nov 21, 1993 19.0°F — Nov 4, 1982 2.66 in — Nov 13, 1941
December 82.9°F — Dec 29, 1980 18.0°F — Dec 9, 1996 2.92 in — Dec 15, 1967

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