All-time weather records — Hannibal, MO

Record high
114.1°F
July 14, 1954
Record low
-20.9°F
January 20, 1985
Wettest day
5.92 in
July 20, 1949

Climate change signal in Hannibal

12.6%

of Hannibal's all-time daily heat records were set in the last decade (46 of 366 records since 2015).

4.9%

of all-time daily cold records were set in the last decade (18 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 #
1930s
94
26
1940s
25
51
1950s
51
46
1960s
22
51
1970s
32
56
1980s
35
46
1990s
17
42
2000s
23
18
2010s
35
25
2020s
32
5

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 1933, the latest in 2026. Period of observation: 1933-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.0°F — Jan 24, 1950 -20.9°F — Jan 20, 1985 2.88 in — Jan 31, 2002
February 81.0°F — Feb 28, 2024 -18.9°F — Feb 3, 1996 4.37 in — Feb 21, 1997
March 91.0°F — Mar 27, 2026 -9.0°F — Mar 5, 1960 2.73 in — Mar 18, 2021
April 93.0°F — Apr 21, 1987 15.1°F — Apr 3, 1936 3.41 in — Apr 30, 2017
May 104.0°F — May 31, 1934 30.0°F — May 3, 1976 3.61 in — May 15, 1991
June 104.0°F — Jun 19, 1936 44.1°F — Jun 3, 1946 4.29 in — Jun 30, 2020
July 114.1°F — Jul 14, 1954 45.0°F — Jul 8, 1995 5.92 in — Jul 20, 1949
August 109.9°F — Aug 9, 1934 39.9°F — Aug 31, 1999 4.79 in — Aug 31, 1981
September 102.0°F — Sep 2, 2011 30.0°F — Sep 28, 1942 5.07 in — Sep 10, 2014
October 95.0°F — Oct 7, 1939 15.1°F — Oct 31, 1934 4.54 in — Oct 12, 1969
November 82.9°F — Nov 1, 1938 -6.0°F — Nov 30, 1964 2.44 in — Nov 4, 1938
December 75.9°F — Dec 16, 2021 -20.9°F — Dec 22, 1989 3.38 in — Dec 3, 1982

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