All-time weather records — Rapid City, SD

Record high
106.0°F
June 26, 2012
Record low
-23.1°F
January 13, 2024
Wettest day
3.03 in
May 22, 2008

Climate change signal in Rapid City

42.3%

of Rapid City's all-time daily heat records were set in the last decade (155 of 366 records since 2015).

25.7%

of all-time daily cold records were set in the last decade (94 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
30
85
2000s
126
130
2010s
104
101
2020s
106
50

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 1996, the latest in 2026. Period of observation: 1996-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.0°F — Jan 8, 2002 -23.1°F — Jan 13, 2024 0.30 in — Jan 3, 1996
February 73.0°F — Feb 4, 2005 -23.1°F — Feb 1, 1996 0.71 in — Feb 3, 1997
March 84.9°F — Mar 21, 2026 -16.1°F — Mar 2, 2014 0.98 in — Mar 16, 2018
April 87.1°F — Apr 11, 2023 3.9°F — Apr 3, 2020 1.60 in — Apr 6, 2024
May 95.0°F — May 11, 2025 25.0°F — May 2, 2008 3.03 in — May 22, 2008
June 106.0°F — Jun 26, 2012 30.9°F — Jun 3, 1998 2.33 in — Jun 2, 1997
July 106.0°F — Jul 15, 2006 46.9°F — Jul 1, 2001 2.22 in — Jul 24, 2022
August 106.0°F — Aug 29, 2012 45.0°F — Aug 11, 2004 2.01 in — Aug 13, 1997
September 102.0°F — Sep 5, 2020 28.9°F — Sep 23, 2000 2.58 in — Sep 29, 2014
October 93.9°F — Oct 2, 2011 3.9°F — Oct 26, 2020 2.63 in — Oct 12, 2023
November 82.9°F — Nov 7, 1999 -8.0°F — Nov 23, 2010 0.96 in — Nov 30, 2019
December 73.9°F — Dec 2, 2021 -18.9°F — Dec 15, 2008 0.57 in — Dec 1, 2018

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