All-time weather records — Sioux Falls, SD

Record high
105.1°F
July 6, 2012
Record low
-26.0°F
January 30, 2019
Wettest day
4.99 in
August 7, 2022

Climate change signal in Sioux Falls

74.3%

of Sioux Falls's all-time daily heat records were set in the last decade (272 of 366 records since 2015).

63.7%

of all-time daily cold records were set in the last decade (233 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 #
2010s
172
252
2020s
194
114

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 2011, the latest in 2026. Period of observation: 2011-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 63.0°F — Jan 5, 2012 -26.0°F — Jan 30, 2019 0.89 in — Jan 8, 2024
February 68.0°F — Feb 26, 2024 -25.1°F — Feb 15, 2021 1.41 in — Feb 28, 2012
March 89.1°F — Mar 21, 2026 -18.0°F — Mar 3, 2019 1.89 in — Mar 13, 2019
April 91.0°F — Apr 1, 2012 5.0°F — Apr 4, 2018 1.68 in — Apr 30, 2022
May 100.9°F — May 27, 2018 26.1°F — May 16, 2014 2.56 in — May 26, 2013
June 102.0°F — Jun 6, 2011 43.0°F — Jun 1, 2017 3.52 in — Jun 20, 2024
July 105.1°F — Jul 6, 2012 44.1°F — Jul 15, 2011 2.43 in — Jul 27, 2011
August 105.1°F — Aug 2, 2022 44.1°F — Aug 17, 2012 4.99 in — Aug 7, 2022
September 100.9°F — Sep 2, 2023 30.0°F — Sep 23, 2012 3.57 in — Sep 15, 2016
October 93.0°F — Oct 1, 2023 12.0°F — Oct 26, 2020 2.61 in — Oct 23, 2015
November 80.1°F — Nov 6, 2020 -6.0°F — Nov 16, 2014 1.49 in — Nov 18, 2024
December 60.1°F — Dec 2, 2012 -25.1°F — Dec 18, 2016 1.25 in — Dec 25, 2016

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