All-time weather records — Stillwater, OK

Record high
111.9°F
August 1, 2012
Record low
-20.6°F
February 10, 2011
Wettest day
5.23 in
June 1, 2007

Climate change signal in Stillwater

46.4%

of Stillwater's all-time daily heat records were set in the last decade (170 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
87
126
2010s
163
150
2020s
116
90

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 80.6°F — Jan 28, 2015 -8.0°F — Jan 15, 2024 1.29 in — Jan 3, 2019
February 87.6°F — Feb 26, 2024 -20.6°F — Feb 10, 2011 2.13 in — Feb 3, 2012
March 97.7°F — Mar 21, 2026 0.9°F — Mar 3, 2014 2.51 in — Mar 4, 2004
April 99.9°F — Apr 17, 2006 21.7°F — Apr 7, 2009 4.57 in — Apr 29, 2017
May 99.3°F — May 25, 2006 32.2°F — May 3, 2013 4.30 in — May 20, 2019
June 103.8°F — Jun 10, 2006 49.6°F — Jun 1, 2012 5.23 in — Jun 1, 2007
July 110.8°F — Jul 9, 2011 53.1°F — Jul 28, 2005 2.92 in — Jul 12, 2008
August 111.9°F — Aug 1, 2012 51.8°F — Aug 20, 2015 2.91 in — Aug 23, 2019
September 104.7°F — Sep 3, 2012 39.9°F — Sep 29, 2020 2.52 in — Sep 22, 2019
October 95.5°F — Oct 3, 2024 23.2°F — Oct 31, 2019 3.71 in — Oct 4, 2017
November 88.7°F — Nov 7, 2023 14.2°F — Nov 12, 2019 3.46 in — Nov 3, 2024
December 84.7°F — Dec 27, 2025 0.3°F — Dec 9, 2005 2.30 in — Dec 26, 2018

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