All-time weather records — Oacoma, SD

Record high
111.9°F
July 15, 2006
Record low
-22.9°F
February 15, 2021
Wettest day
7.54 in
June 20, 2024

Climate change signal in Oacoma

23.2%

of Oacoma's all-time daily heat records were set in the last decade (85 of 366 records since 2015).

26.8%

of all-time daily cold records were set in the last decade (98 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 #
1990s
32
25
2000s
173
176
2010s
76
67
2020s
85
98

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 1998, the latest in 2026. Period of observation: 1998-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 68.0°F — Jan 5, 2012 -21.8°F — Jan 30, 2023 0.48 in — Jan 19, 2000
February 73.9°F — Feb 21, 2000 -22.9°F — Feb 15, 2021 0.83 in — Feb 10, 2013
March 88.0°F — Mar 18, 2012 -22.0°F — Mar 11, 1998 1.11 in — Mar 29, 2007
April 91.9°F — Apr 11, 2023 8.2°F — Apr 2, 2009 2.46 in — Apr 16, 2024
May 99.0°F — May 5, 2004 23.0°F — May 3, 2005 2.10 in — May 29, 2010
June 105.1°F — Jun 8, 2000 33.1°F — Jun 3, 1998 7.54 in — Jun 20, 2024
July 111.9°F — Jul 15, 2006 45.0°F — Jul 6, 2023 2.64 in — Jul 23, 2008
August 111.9°F — Aug 29, 2012 39.9°F — Aug 19, 2004 4.93 in — Aug 3, 2007
September 102.9°F — Sep 2, 2023 28.9°F — Sep 24, 2000 2.64 in — Sep 1, 2008
October 95.0°F — Oct 4, 2011 3.2°F — Oct 27, 2020 2.28 in — Oct 12, 2023
November 84.0°F — Nov 8, 1999 -9.0°F — Nov 24, 2003 1.18 in — Nov 8, 1998
December 72.0°F — Dec 1, 1998 -18.9°F — Dec 12, 2000 1.15 in — Dec 27, 2012

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