All-time weather records — Summersville, MO

Record high
107.1°F
July 19, 1980
Record low
-18.9°F
January 20, 1985
Wettest day
6.03 in
April 30, 2017

Climate change signal in Summersville

21.3%

of Summersville's all-time daily heat records were set in the last decade (78 of 366 records since 2015).

9.6%

of all-time daily cold records were set in the last decade (35 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 #
1940s
·
·
1950s
·
·
1960s
51
61
1970s
54
82
1980s
96
75
1990s
41
65
2000s
33
39
2010s
42
20
2020s
49
24

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 1963, the latest in 2026. Period of observation: 1940-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.0°F — Jan 21, 1986 -18.9°F — Jan 20, 1985 4.30 in — Jan 1, 1966
February 84.0°F — Feb 28, 2024 -11.0°F — Feb 11, 1981 4.99 in — Feb 9, 1966
March 89.1°F — Mar 21, 2017 -2.0°F — Mar 4, 1978 4.26 in — Mar 19, 2008
April 90.0°F — Apr 26, 1987 18.0°F — Apr 8, 2007 6.03 in — Apr 30, 2017
May 93.9°F — May 23, 2000 28.0°F — May 10, 1966 5.10 in — May 7, 2002
June 100.9°F — Jun 30, 2023 39.9°F — Jun 1, 1972 3.86 in — Jun 10, 1982
July 107.1°F — Jul 19, 1980 44.1°F — Jul 6, 1972 4.25 in — Jul 26, 1979
August 104.0°F — Aug 9, 1969 39.0°F — Aug 29, 1986 5.00 in — Aug 29, 1974
September 99.0°F — Sep 1, 1995 30.0°F — Sep 23, 1995 4.85 in — Sep 23, 1984
October 96.1°F — Oct 7, 2004 19.0°F — Oct 24, 1981 4.90 in — Oct 5, 1998
November 82.9°F — Nov 2, 2016 3.9°F — Nov 30, 1976 4.35 in — Nov 15, 2005
December 79.0°F — Dec 27, 2025 -9.9°F — Dec 18, 1983 4.00 in — Dec 18, 2021

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