All-time weather records — Lemmon, SD

Record high
115.0°F
July 6, 1936
Record low
-45.0°F
February 16, 1936
Wettest day
5.04 in
August 12, 1999

Climate change signal in Lemmon

13.4%

of Lemmon's all-time daily heat records were set in the last decade (49 of 366 records since 2015).

2.5%

of all-time daily cold records were set in the last decade (9 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
·
5
1910s
20
52
1920s
28
57
1930s
70
66
1940s
22
40
1950s
23
36
1960s
29
34
1970s
17
26
1980s
27
16
1990s
29
15
2000s
36
8
2010s
32
5
2020s
33
6

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 1910, the latest in 2026. Period of observation: 1908-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 69.1°F — Jan 23, 1981 -42.0°F — Jan 17, 1943 0.90 in — Jan 4, 1997
February 70.0°F — Mar 1, 1992 -45.0°F — Feb 16, 1936 0.90 in — Feb 1, 1939
March 84.9°F — Mar 22, 1910 -27.0°F — Mar 1, 1962 1.50 in — Mar 15, 1920
April 93.0°F — Apr 21, 1980 -6.0°F — Apr 3, 1936 2.18 in — Apr 28, 2025
May 102.9°F — May 28, 1934 10.0°F — May 3, 1967 3.03 in — May 25, 1972
June 109.0°F — Jun 29, 2002 27.0°F — Jun 16, 2006 4.00 in — Jun 15, 1922
July 115.0°F — Jul 6, 1936 37.0°F — Jul 6, 1934 3.92 in — Jul 13, 2009
August 107.1°F — Aug 27, 1937 30.9°F — Aug 30, 1935 5.04 in — Aug 12, 1999
September 105.1°F — Sep 1, 1929 14.0°F — Sep 25, 1926 2.62 in — Sep 8, 2013
October 95.0°F — Oct 1, 1953 -9.9°F — Oct 26, 1919 2.98 in — Oct 13, 2021
November 82.0°F — Nov 7, 1999 -24.0°F — Nov 13, 1940 2.02 in — Nov 1, 2000
December 70.0°F — Dec 1, 1913 -34.1°F — Dec 16, 1946 2.00 in — Dec 10, 2000

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