All-time weather records — Armour, SD

Record high
116.1°F
July 24, 1940
Record low
-45.0°F
January 12, 1912
Wettest day
7.00 in
December 30, 2006

Climate change signal in Armour

0%

of Armour's all-time daily heat records were set in the last decade (0 of 366 records since 2015).

0%

of all-time daily cold records were set in the last decade (0 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
3
31
1900s
39
68
1910s
23
62
1920s
26
46
1930s
111
24
1940s
33
17
1950s
30
28
1960s
21
26
1970s
7
24
1980s
31
17
1990s
24
13
2000s
18
10

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 1896, the latest in 2007. Period of observation: 1896-2008.

Records by month

Month Hottest day Coldest day Wettest day
January 70.0°F — Jan 24, 1981 -45.0°F — Jan 12, 1912 4.00 in — Jan 1, 1907
February 75.0°F — Feb 21, 2000 -45.0°F — Feb 2, 1905 6.50 in — Feb 28, 2007
March 93.9°F — Mar 30, 1943 -20.9°F — Mar 2, 1913 4.00 in — Mar 1, 2007
April 98.1°F — Apr 25, 1962 -2.0°F — Apr 3, 1936 2.34 in — Apr 18, 1995
May 105.1°F — May 29, 1934 17.1°F — May 1, 1908 2.55 in — May 18, 1897
June 109.9°F — Jun 23, 1937 0.0°F — Jun 11, 1951 4.55 in — Jun 10, 1986
July 116.1°F — Jul 24, 1940 39.0°F — Jul 30, 1971 3.40 in — Jul 21, 1978
August 111.9°F — Aug 2, 1930 35.1°F — Aug 20, 1950 5.46 in — Aug 18, 1937
September 109.0°F — Sep 6, 1939 17.1°F — Sep 29, 1899 4.44 in — Sep 20, 1950
October 99.0°F — Oct 3, 1905 -4.0°F — Oct 29, 1925 4.10 in — Oct 5, 1911
November 93.9°F — Nov 3, 1903 -18.0°F — Nov 14, 1959 1.91 in — Nov 1, 2000
December 72.0°F — Dec 6, 1939 -38.9°F — Dec 29, 1917 7.00 in — Dec 30, 2006

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