All-time weather records — Grandfield, OK

Record high
114.1°F
June 17, 2011
Record low
-9.9°F
February 16, 2021
Wettest day
4.83 in
September 26, 2017

Climate change signal in Grandfield

56%

of Grandfield's all-time daily heat records were set in the last decade (205 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
13
31
2010s
205
232
2020s
148
103

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 82.0°F — Jan 11, 2017 3.9°F — Jan 7, 2017 1.80 in — Jan 16, 2020
February 91.0°F — Feb 11, 2017 -9.9°F — Feb 16, 2021 2.13 in — Feb 1, 2010
March 91.0°F — Mar 17, 2011 8.1°F — Mar 3, 2014 2.69 in — Mar 28, 2017
April 102.9°F — Apr 25, 2012 21.9°F — Apr 7, 2009 4.54 in — Apr 29, 2009
May 108.0°F — May 8, 2022 30.9°F — May 3, 2013 3.02 in — May 5, 2015
June 114.1°F — Jun 17, 2011 53.1°F — Jun 10, 2020 3.62 in — Jun 19, 2020
July 114.1°F — Jul 19, 2022 55.9°F — Jul 3, 2013 4.63 in — Jul 7, 2015
August 114.1°F — Aug 1, 2012 57.0°F — Aug 20, 2015 2.48 in — Aug 6, 2017
September 111.0°F — Sep 8, 2023 42.1°F — Sep 29, 2020 4.83 in — Sep 26, 2017
October 102.0°F — Oct 11, 2020 21.9°F — Oct 31, 2019 2.70 in — Oct 8, 2011
November 93.0°F — Nov 15, 2025 15.1°F — Nov 12, 2019 1.97 in — Nov 23, 2025
December 89.1°F — Dec 24, 2021 7.0°F — Dec 7, 2013 2.92 in — Dec 26, 2018

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