All-time weather records — Mill Creek, OK

Record high
111.9°F
August 3, 2011
Record low
-9.9°F
February 16, 2021
Wettest day
7.09 in
September 21, 2018

Climate change signal in Mill Creek

58.5%

of Mill Creek's all-time daily heat records were set in the last decade (214 of 366 records since 2015).

51.1%

of all-time daily cold records were set in the last decade (187 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
14
36
2010s
210
225
2020s
142
105

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 2009, the latest in 2026. Period of observation: 2009-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 78.1°F — Jan 11, 2023 1.9°F — Jan 17, 2018 3.98 in — Jan 10, 2020
February 90.0°F — Feb 26, 2009 -9.9°F — Feb 16, 2021 2.08 in — Feb 14, 2026
March 90.0°F — Mar 26, 2020 8.1°F — Mar 3, 2014 2.23 in — Mar 27, 2018
April 91.0°F — Apr 8, 2020 26.1°F — Apr 7, 2009 3.57 in — Apr 28, 2024
May 93.9°F — May 14, 2025 33.1°F — May 3, 2011 4.57 in — May 19, 2017
June 102.9°F — Jun 26, 2012 52.0°F — Jun 1, 2012 4.87 in — Jun 17, 2015
July 109.9°F — Jul 19, 2018 55.0°F — Jul 3, 2013 4.71 in — Jul 8, 2015
August 111.9°F — Aug 3, 2011 53.1°F — Aug 20, 2015 4.02 in — Aug 19, 2021
September 107.1°F — Sep 13, 2011 43.0°F — Sep 23, 2021 7.09 in — Sep 21, 2018
October 93.9°F — Oct 14, 2015 26.1°F — Oct 31, 2019 5.45 in — Oct 22, 2015
November 90.0°F — Nov 2, 2017 14.0°F — Nov 18, 2014 6.69 in — Nov 3, 2024
December 82.0°F — Dec 4, 2017 6.1°F — Dec 22, 2022 3.02 in — Dec 13, 2018

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