All-time weather records — Hill City, SD

Record high
100.9°F
July 30, 2006
Record low
-38.9°F
December 22, 1990
Wettest day
5.14 in
June 10, 1972

Climate change signal in Hill City

44%

of Hill City's all-time daily heat records were set in the last decade (161 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 #
1900s
·
·
1910s
·
·
1950s
·
·
1960s
3
·
1970s
9
54
1980s
19
19
1990s
54
101
2000s
69
64
2010s
106
68
2020s
106
60

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 1968, the latest in 2026. Period of observation: 1909-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.9°F — Jan 28, 2015 -34.1°F — Jan 14, 2024 0.43 in — Jan 23, 1964
February 70.0°F — Feb 17, 2017 -38.0°F — Feb 2, 1996 1.01 in — Mar 1, 2004
March 82.0°F — Mar 22, 2026 -25.1°F — Mar 4, 1989 3.25 in — Mar 14, 1973
April 84.9°F — Apr 25, 2012 -9.0°F — Apr 8, 1997 3.44 in — Apr 19, 2000
May 90.0°F — May 20, 2020 14.0°F — May 2, 2002 3.32 in — May 22, 1962
June 99.0°F — Jun 27, 2012 26.1°F — Jun 5, 1998 5.14 in — Jun 10, 1972
July 100.9°F — Jul 30, 2006 30.0°F — Jul 3, 1972 3.35 in — Jul 18, 1974
August 100.9°F — Aug 30, 2012 27.0°F — Aug 31, 2025 1.84 in — Aug 5, 1983
September 98.1°F — Sep 6, 2020 12.0°F — Sep 25, 1972 2.62 in — Sep 30, 2014
October 89.1°F — Oct 3, 2011 -20.9°F — Oct 27, 2020 2.56 in — Oct 13, 2021
November 78.1°F — Nov 4, 2020 -18.9°F — Nov 13, 2014 1.16 in — Nov 3, 1956
December 71.1°F — Dec 13, 2014 -38.9°F — Dec 22, 1990 1.72 in — Dec 25, 1964

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