All-time weather records — Sierra Vista, AZ

Record high
109.9°F
June 20, 2017
Record low
3.9°F
February 3, 2011
Wettest day
2.84 in
August 23, 1992

Climate change signal in Sierra Vista

45.6%

of Sierra Vista's all-time daily heat records were set in the last decade (167 of 366 records since 2015).

45.1%

of all-time daily cold records were set in the last decade (165 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 #
1980s
68
92
1990s
37
52
2000s
43
37
2010s
111
88
2020s
107
97

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 1982, the latest in 2026. Period of observation: 1982-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 97.0°F — Jan 15, 2009 12.0°F — Jan 17, 1987 1.08 in — Jan 18, 1993
February 86.0°F — Feb 18, 2014 3.9°F — Feb 3, 2011 1.09 in — Feb 15, 2018
March 95.0°F — Mar 22, 2026 21.9°F — Mar 1, 2018 0.84 in — Mar 1, 2014
April 97.0°F — Apr 20, 1989 21.9°F — Apr 13, 1996 1.45 in — Apr 6, 2001
May 102.0°F — May 31, 2002 35.1°F — May 3, 2018 1.25 in — May 6, 1987
June 109.9°F — Jun 20, 2017 43.0°F — Jun 1, 2023 1.15 in — Jun 21, 2000
July 108.0°F — Jul 4, 1989 51.1°F — Jul 13, 2009 2.02 in — Jul 25, 2003
August 105.1°F — Aug 6, 2023 53.1°F — Aug 27, 1987 2.84 in — Aug 23, 1992
September 102.9°F — Sep 11, 2023 43.0°F — Sep 25, 2000 2.25 in — Sep 9, 2014
October 96.1°F — Oct 2, 2015 26.1°F — Oct 28, 2020 2.12 in — Oct 4, 1989
November 86.0°F — Nov 6, 2023 19.0°F — Nov 30, 2004 2.11 in — Nov 28, 2019
December 81.0°F — Dec 15, 2016 15.1°F — Dec 26, 1987 1.77 in — Dec 17, 1987

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