All-time weather records — Clarkson Valley, MO

Record high
109.0°F
June 28, 2012
Record low
-22.0°F
December 23, 1989
Wettest day
4.47 in
September 14, 2008

Climate change signal in Clarkson Valley

32.2%

of Clarkson Valley's all-time daily heat records were set in the last decade (118 of 366 records since 2015).

26.2%

of all-time daily cold records were set in the last decade (96 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 #
1980s
38
43
1990s
49
75
2000s
86
98
2010s
131
83
2020s
62
67

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 1987, the latest in 2026. Period of observation: 1987-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.9°F — Jan 28, 2002 -16.1°F — Jan 5, 1999 2.66 in — Jan 13, 1995
February 84.0°F — Feb 27, 2024 -11.7°F — Feb 7, 2014 2.47 in — Feb 18, 2000
March 93.9°F — Mar 26, 2026 1.0°F — Mar 4, 2002 2.67 in — Mar 26, 2004
April 93.9°F — Apr 18, 2002 21.0°F — Apr 7, 1990 4.24 in — Apr 4, 2025
May 95.0°F — May 26, 2012 30.9°F — May 6, 1992 4.14 in — May 7, 2000
June 109.0°F — Jun 28, 2012 45.0°F — Jun 1, 2003 3.80 in — Jun 24, 2000
July 108.0°F — Jul 7, 2012 50.0°F — Jul 28, 2013 3.53 in — Jul 9, 1991
August 106.0°F — Aug 15, 2007 46.0°F — Aug 13, 2004 4.14 in — Aug 6, 1995
September 100.9°F — Sep 1, 2011 32.0°F — Sep 23, 1995 4.47 in — Sep 14, 2008
October 93.9°F — Oct 3, 2006 23.2°F — Oct 19, 2022 2.69 in — Oct 8, 2009
November 84.9°F — Nov 1, 2016 5.0°F — Nov 8, 1991 3.10 in — Nov 4, 2024
December 77.0°F — Dec 28, 2025 -22.0°F — Dec 23, 1989 4.13 in — Dec 26, 2015

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