All-time weather records — Hermosa, SD

Record high
106.0°F
July 26, 1914
Record low
-36.9°F
January 11, 1916
Wettest day
4.65 in
May 24, 1907

Climate change signal in Hermosa

0%

of Hermosa'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 #
1900s
64
57
1910s
166
174
1920s
119
125
1930s
17
10
1940s
·
·
1950s
·
·
1960s
·
·
1970s
·
·
1980s
·
·
1990s
·
·
2000s
·
·
2010s
·
·

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 1906, the latest in 1930. Period of observation: 1906-2012.

Records by month

Month Hottest day Coldest day Wettest day
January 72.0°F — Jan 7, 1914 -36.9°F — Jan 11, 1916 1.36 in — Jan 27, 1944
February 75.0°F — Feb 10, 1918 -29.0°F — Feb 1, 1917 0.92 in — Feb 22, 1914
March 87.1°F — Mar 23, 1910 -18.9°F — Mar 15, 1906 1.50 in — Mar 25, 1945
April 91.9°F — Apr 27, 1910 3.9°F — Apr 4, 1920 2.05 in — Apr 15, 1917
May 93.9°F — May 24, 1926 0.0°F — May 7, 1928 4.65 in — May 24, 1907
June 102.9°F — Jun 22, 1922 9.0°F — Jun 17, 1930 4.12 in — Jun 21, 1947
July 106.0°F — Jul 26, 1914 36.0°F — Jul 23, 1917 2.81 in — Jul 2, 1956
August 106.0°F — Aug 26, 1926 21.9°F — Aug 7, 1917 4.06 in — Aug 18, 2007
September 104.0°F — Sep 7, 1908 12.9°F — Sep 25, 1926 2.99 in — Sep 28, 1923
October 96.1°F — Oct 9, 1910 -7.1°F — Oct 29, 1925 1.81 in — Oct 14, 1980
November 78.1°F — Nov 3, 1909 -14.1°F — Nov 11, 1911 1.65 in — Nov 27, 1989
December 73.0°F — Dec 4, 1907 -26.0°F — Dec 18, 1924 1.40 in — Dec 5, 1906

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