All-time weather records — Jefferson City, MO

Record high
114.1°F
July 12, 1901
Record low
-54.9°F
June 21, 1940
Wettest day
7.50 in
December 20, 1895

Climate change signal in Jefferson City

5.2%

of Jefferson City's all-time daily heat records were set in the last decade (19 of 366 records since 2015).

0.5%

of all-time daily cold records were set in the last decade (2 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 #
1890s
26
17
1900s
47
35
1910s
54
48
1920s
21
26
1930s
62
14
1940s
16
36
1950s
35
49
1960s
27
58
1970s
18
32
1980s
14
35
1990s
16
10
2000s
6
3
2010s
11
1
2020s
13
2

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 1893, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 79.0°F — Jan 7, 1965 -23.1°F — Jan 7, 1912 4.00 in — Jan 2, 1897
February 89.1°F — Feb 24, 1930 -25.1°F — Feb 12, 1899 2.80 in — Feb 18, 2000
March 97.0°F — Mar 24, 1929 -16.1°F — Mar 5, 1960 4.00 in — Mar 10, 1922
April 96.1°F — Apr 4, 1929 12.9°F — Apr 5, 1920 4.35 in — Apr 30, 2017
May 102.0°F — May 30, 1934 24.1°F — May 2, 1961 4.24 in — May 18, 1943
June 105.1°F — Jun 19, 1936 -54.9°F — Jun 21, 1940 4.25 in — Jun 26, 2021
July 114.1°F — Jul 12, 1901 42.1°F — Jul 14, 1967 7.41 in — Jul 7, 1993
August 111.0°F — Aug 9, 1934 25.0°F — Aug 31, 1893 5.55 in — Aug 12, 1993
September 107.1°F — Sep 3, 1939 28.9°F — Sep 30, 1899 5.70 in — Sep 17, 1905
October 96.1°F — Oct 7, 1939 14.0°F — Oct 7, 1987 5.65 in — Oct 5, 1941
November 88.0°F — Nov 1, 1915 1.0°F — Nov 25, 1950 4.55 in — Nov 2, 1948
December 79.0°F — Dec 11, 1949 -24.0°F — Dec 20, 1901 7.50 in — Dec 20, 1895

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