All-time weather records — Longtown, MO

Record high
109.9°F
June 29, 2012
Record low
-18.9°F
February 9, 1979
Wettest day
5.16 in
March 28, 1977

Climate change signal in Longtown

7.7%

of Longtown's all-time daily heat records were set in the last decade (28 of 366 records since 2015).

8.7%

of all-time daily cold records were set in the last decade (32 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
7
9
1910s
19
11
1940s
·
·
1950s
104
38
1960s
40
49
1970s
31
81
1980s
69
54
1990s
23
42
2000s
22
28
2010s
35
35
2020s
16
19

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 1908, the latest in 2026. Period of observation: 1907-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.9°F — Jan 19, 1952 -16.1°F — Jan 18, 1977 3.50 in — Jan 20, 1990
February 82.9°F — Feb 13, 1962 -18.9°F — Feb 9, 1979 4.04 in — Feb 26, 1945
March 89.1°F — Mar 24, 1910 0.0°F — Mar 6, 2015 5.16 in — Mar 28, 1977
April 91.9°F — Apr 21, 1987 17.1°F — Apr 7, 1971 4.90 in — Apr 16, 1998
May 98.1°F — May 31, 1911 28.0°F — May 3, 1978 4.31 in — May 10, 1986
June 109.9°F — Jun 29, 2012 37.0°F — Jun 1, 1972 3.84 in — Jun 23, 1969
July 108.0°F — Jul 1, 2012 35.1°F — Jul 9, 1983 3.90 in — Jul 4, 2001
August 109.0°F — Aug 3, 1964 35.1°F — Aug 29, 1986 4.78 in — Aug 26, 1975
September 104.0°F — Sep 5, 1954 28.9°F — Sep 23, 1995 4.83 in — Sep 8, 2018
October 96.1°F — Oct 5, 1954 3.9°F — Oct 23, 1982 4.88 in — Oct 18, 1996
November 86.0°F — Nov 13, 1989 -5.1°F — Nov 25, 1950 3.27 in — Nov 1, 1972
December 78.1°F — Dec 18, 1908 -13.0°F — Dec 22, 1989 4.15 in — Dec 26, 1987

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