All-time weather records — Scottsdale, AZ

Record high
113.0°F
August 7, 2025
Record low
19.9°F
February 3, 2011
Wettest day
3.01 in
December 1, 2007

Climate change signal in Scottsdale

72.7%

of Scottsdale's all-time daily heat records were set in the last decade (266 of 366 records since 2015).

39.1%

of all-time daily cold records were set in the last decade (143 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 #
2000s
65
142
2010s
101
142
2020s
200
82

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 2002, the latest in 2026. Period of observation: 2002-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 82.0°F — Jan 31, 2003 21.9°F — Jan 14, 2007 2.50 in — Jan 26, 2013
February 87.1°F — Feb 26, 2025 19.9°F — Feb 3, 2011 2.00 in — Feb 22, 2019
March 100.9°F — Mar 20, 2026 32.0°F — Mar 2, 2023 2.10 in — Mar 5, 2004
April 96.1°F — Apr 22, 2012 32.0°F — Apr 1, 2016 2.00 in — Apr 2, 2004
May 105.1°F — May 29, 2020 45.0°F — May 2, 2018 1.45 in — May 4, 2015
June 111.9°F — Jun 20, 2017 57.9°F — Jun 2, 2025 1.40 in — Jun 2, 2025
July 111.0°F — Jul 7, 2017 62.1°F — Jul 23, 2021 2.60 in — Jul 23, 2021
August 113.0°F — Aug 7, 2025 64.9°F — Aug 17, 2021 2.31 in — Aug 12, 2022
September 111.0°F — Sep 28, 2024 57.0°F — Sep 21, 2004 2.00 in — Sep 8, 2014
October 108.0°F — Oct 1, 2024 37.0°F — Oct 29, 2009 1.86 in — Oct 2, 2018
November 93.0°F — Nov 5, 2020 30.0°F — Nov 30, 2006 1.56 in — Nov 22, 2013
December 82.0°F — Dec 1, 2021 26.1°F — Dec 31, 2010 3.01 in — Dec 1, 2007

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