All-time weather records — De Smet, SD

Record high
111.0°F
July 21, 1934
Record low
-44.0°F
January 12, 1912
Wettest day
4.65 in
August 5, 2023

Climate change signal in De Smet

7.9%

of De Smet's all-time daily heat records were set in the last decade (29 of 366 records since 2015).

2.7%

of all-time daily cold records were set in the last decade (10 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 #
1890s
34
66
1900s
20
46
1910s
21
45
1920s
25
46
1930s
100
36
1940s
26
21
1950s
25
16
1960s
14
20
1970s
13
17
1980s
24
13
1990s
15
14
2000s
11
15
2010s
16
10
2020s
22
1

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 1893, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 68.0°F — Jan 24, 1899 -44.0°F — Jan 12, 1912 1.20 in — Jan 30, 1929
February 68.0°F — Feb 22, 1931 -40.0°F — Feb 10, 1899 2.31 in — Feb 23, 1977
March 88.0°F — Mar 30, 1943 -26.0°F — Mar 2, 1913 1.90 in — Mar 13, 2019
April 96.1°F — Apr 20, 1980 -2.9°F — Apr 3, 1975 4.00 in — Apr 13, 1912
May 105.1°F — May 28, 1934 10.9°F — May 17, 2002 3.53 in — May 30, 2022
June 109.9°F — Jun 25, 1936 27.0°F — Jun 28, 1895 4.39 in — Jun 19, 1984
July 111.0°F — Jul 21, 1934 14.0°F — Jul 2, 1915 3.72 in — Jul 26, 1986
August 108.0°F — Aug 4, 1934 30.0°F — Aug 29, 1893 4.65 in — Aug 5, 2023
September 105.1°F — Sep 9, 1904 14.0°F — Sep 26, 1893 3.50 in — Sep 30, 1995
October 93.0°F — Oct 5, 1947 -8.0°F — Oct 29, 1925 3.05 in — Oct 30, 1956
November 80.1°F — Nov 8, 1893 -18.0°F — Nov 21, 1898 1.80 in — Nov 6, 1947
December 64.0°F — Dec 3, 1941 -34.1°F — Dec 18, 2016 1.93 in — Dec 24, 2023

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