All-time weather records — Henry, SD

Record high
109.9°F
July 17, 1936
Record low
-62.0°F
July 31, 1917
Wettest day
4.70 in
September 8, 1900

Climate change signal in Henry

0%

of Henry'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
15
11
1900s
34
57
1910s
22
62
1920s
40
51
1930s
106
45
1940s
22
33
1950s
32
32
1960s
13
29
1970s
15
19
1980s
31
12
1990s
14
12
2000s
15
3
2010s
7
·

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 1894, the latest in 2012. Period of observation: 1893-2012.

Records by month

Month Hottest day Coldest day Wettest day
January 66.0°F — Jan 24, 1981 -42.0°F — Jan 12, 1912 1.12 in — Jan 21, 1917
February 66.9°F — Feb 23, 1958 -40.0°F — Feb 2, 1905 2.00 in — Feb 5, 1946
March 84.9°F — Mar 30, 1943 -27.0°F — Mar 2, 1913 2.05 in — Mar 31, 2006
April 95.0°F — Apr 21, 1980 -8.0°F — Apr 3, 1975 2.78 in — Apr 13, 1912
May 107.1°F — May 30, 1934 16.0°F — May 3, 1907 4.47 in — May 5, 2007
June 108.0°F — Jun 26, 1933 28.0°F — Jun 2, 1951 3.75 in — Jun 15, 1977
July 109.9°F — Jul 17, 1936 -62.0°F — Jul 31, 1917 4.42 in — Jul 25, 1997
August 108.0°F — Aug 15, 1937 32.0°F — Aug 11, 1902 4.01 in — Aug 4, 1900
September 104.0°F — Sep 9, 1931 15.1°F — Sep 25, 1926 4.70 in — Sep 8, 1900
October 96.1°F — Oct 3, 1914 -8.0°F — Oct 29, 1925 3.80 in — Oct 6, 1946
November 78.1°F — Nov 9, 1999 -22.0°F — Nov 30, 1964 1.28 in — Nov 8, 1977
December 63.0°F — Dec 3, 1941 -35.0°F — Dec 13, 1917 1.50 in — Dec 11, 1949

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