All-time weather records — Calvin, OK

Record high
111.0°F
August 2, 2011
Record low
-11.9°F
February 16, 2021
Wettest day
5.22 in
April 28, 2021

Climate change signal in Calvin

56.3%

of Calvin's all-time daily heat records were set in the last decade (206 of 366 records since 2015).

55.5%

of all-time daily cold records were set in the last decade (203 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
·
4
2010s
239
254
2020s
127
108

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 2010, the latest in 2026. Period of observation: 2009-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 78.1°F — Jan 28, 2015 1.0°F — Jan 7, 2017 1.67 in — Jan 10, 2020
February 86.0°F — Feb 26, 2024 -11.9°F — Feb 16, 2021 2.53 in — Feb 14, 2026
March 93.0°F — Mar 26, 2020 5.0°F — Mar 3, 2014 2.46 in — Mar 7, 2016
April 93.0°F — Apr 8, 2020 26.1°F — Apr 7, 2018 5.22 in — Apr 28, 2021
May 91.9°F — May 4, 2014 34.0°F — May 3, 2013 4.20 in — May 19, 2017
June 104.0°F — Jun 27, 2011 50.0°F — Jun 1, 2012 2.83 in — Jun 4, 2024
July 109.0°F — Jul 19, 2022 57.0°F — Jul 2, 2013 3.73 in — Jul 7, 2015
August 111.0°F — Aug 2, 2011 53.1°F — Aug 20, 2015 2.85 in — Aug 31, 2020
September 108.0°F — Sep 13, 2011 44.1°F — Sep 27, 2010 4.94 in — Sep 8, 2010
October 93.0°F — Oct 4, 2024 26.1°F — Oct 31, 2019 3.01 in — Oct 24, 2019
November 88.0°F — Nov 8, 2023 15.1°F — Nov 12, 2019 2.89 in — Nov 27, 2015
December 84.0°F — Dec 27, 2025 3.0°F — Dec 22, 2022 3.81 in — Dec 26, 2015

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