All-time weather records — Avon, SD

Record high
980.1°F
June 30, 1903
Record low
-41.1°F
February 2, 1905
Wettest day
7.00 in
August 31, 2000

Climate change signal in Avon

7.1%

of Avon's all-time daily heat records were set in the last decade (26 of 366 records since 2015).

4.1%

of all-time daily cold records were set in the last decade (15 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
20
30
1900s
12
47
1910s
15
61
1920s
30
46
1930s
90
33
1940s
35
26
1950s
29
19
1960s
18
20
1970s
6
25
1980s
34
17
1990s
21
15
2000s
19
4
2010s
18
14
2020s
19
9

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 71.1°F — Jan 6, 2012 -38.0°F — Jan 12, 1912 1.96 in — Jan 3, 1949
February 75.9°F — Feb 22, 2017 -41.1°F — Feb 2, 1905 1.38 in — Feb 19, 1971
March 96.1°F — Mar 30, 1943 -18.9°F — Mar 4, 1960 4.10 in — Mar 18, 1905
April 99.0°F — Apr 28, 1894 -2.9°F — Apr 3, 1936 3.27 in — Apr 30, 1911
May 107.1°F — May 30, 1934 19.9°F — May 3, 1967 6.10 in — May 21, 1903
June 980.1°F — Jun 30, 1903 7.0°F — Jun 6, 1903 4.17 in — Jun 11, 1944
July 115.0°F — Jul 17, 1936 37.0°F — Jul 6, 1902 3.51 in — Jul 4, 2004
August 113.0°F — Aug 24, 1936 36.0°F — Aug 11, 1902 7.00 in — Aug 31, 2000
September 106.0°F — Sep 5, 1922 21.0°F — Sep 20, 1918 4.84 in — Sep 16, 2016
October 98.1°F — Oct 5, 1947 3.9°F — Oct 29, 1913 2.96 in — Oct 29, 1896
November 84.0°F — Nov 7, 2009 -18.9°F — Nov 14, 1959 1.74 in — Nov 21, 1979
December 70.0°F — Dec 6, 1939 -36.0°F — Dec 29, 1917 1.20 in — Dec 21, 2006

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