All-time weather records — Mount Vernon, KY

Record high
102.0°F
July 16, 1980
Record low
-24.0°F
January 19, 1994
Wettest day
5.18 in
January 10, 1974

Climate change signal in Mount Vernon

3.3%

of Mount Vernon's all-time daily heat records were set in the last decade (12 of 366 records since 2015).

1.6%

of all-time daily cold records were set in the last decade (6 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 #
1950s
32
43
1960s
59
101
1970s
68
57
1980s
86
91
1990s
38
33
2000s
49
16
2010s
34
25

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 1956, the latest in 2016. Period of observation: 1956-2016.

Records by month

Month Hottest day Coldest day Wettest day
January 75.9°F — Jan 23, 1999 -24.0°F — Jan 19, 1994 5.18 in — Jan 10, 1974
February 79.0°F — Feb 24, 1996 -17.0°F — Feb 20, 2015 3.52 in — Feb 6, 2004
March 86.0°F — Mar 21, 2012 -8.0°F — Mar 6, 1960 3.64 in — Mar 12, 1975
April 91.0°F — Apr 29, 1970 17.1°F — Apr 7, 1982 3.00 in — Apr 28, 1970
May 91.0°F — May 5, 1959 27.0°F — May 10, 1966 3.63 in — May 3, 2010
June 100.9°F — Jun 30, 2012 36.0°F — Jun 1, 1966 3.32 in — Jun 23, 1960
July 102.0°F — Jul 16, 1980 45.0°F — Jul 7, 1972 3.35 in — Jul 15, 1996
August 102.0°F — Aug 22, 1983 37.9°F — Aug 29, 1986 3.04 in — Aug 4, 1975
September 97.0°F — Sep 3, 2011 33.1°F — Sep 24, 1983 3.53 in — Sep 17, 2004
October 91.0°F — Oct 8, 2007 19.0°F — Oct 27, 1962 3.40 in — Oct 17, 1989
November 82.0°F — Nov 2, 2016 6.1°F — Nov 30, 1976 2.93 in — Nov 20, 1988
December 78.1°F — Dec 3, 1982 -16.1°F — Dec 22, 1989 4.66 in — Dec 8, 1978

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