All-time weather records — Carterville, IL

Record high
113.0°F
August 9, 1930
Record low
-61.1°F
August 16, 1955
Wettest day
6.90 in
June 17, 2000

Climate change signal in Carterville

4.9%

of Carterville's all-time daily heat records were set in the last decade (18 of 366 records since 2015).

4.4%

of all-time daily cold records were set in the last decade (16 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
2
8
1900s
18
42
1910s
83
33
1920s
55
37
1930s
77
21
1940s
22
26
1950s
23
38
1960s
18
27
1970s
7
38
1980s
11
44
1990s
8
25
2000s
14
7
2010s
15
11
2020s
13
9

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 1898, the latest in 2026. Period of observation: 1894-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.9°F — Jan 24, 1943 -25.1°F — Jan 11, 1977 4.78 in — Jan 14, 1937
February 79.0°F — Feb 24, 1982 -22.0°F — Feb 2, 1951 3.75 in — Feb 6, 2008
March 93.0°F — Mar 23, 1910 -11.0°F — Mar 5, 1978 6.10 in — Mar 19, 2008
April 91.9°F — Apr 28, 1915 19.9°F — Apr 1, 1954 5.21 in — Apr 29, 2017
May 100.9°F — May 28, 1911 6.1°F — May 7, 1983 5.77 in — May 22, 1957
June 108.0°F — Jun 30, 2012 39.0°F — Jun 16, 1917 6.90 in — Jun 17, 2000
July 111.9°F — Jul 14, 1936 42.1°F — Jul 6, 1972 5.29 in — Jul 7, 2016
August 113.0°F — Aug 9, 1930 -61.1°F — Aug 16, 1955 5.04 in — Aug 17, 1959
September 108.0°F — Sep 4, 1925 19.9°F — Sep 30, 1899 4.22 in — Sep 12, 1988
October 96.1°F — Oct 3, 1922 16.0°F — Oct 29, 1952 4.42 in — Oct 4, 1910
November 88.0°F — Nov 1, 1933 -0.9°F — Nov 30, 1929 5.35 in — Nov 20, 1991
December 77.0°F — Dec 3, 1982 -14.1°F — Dec 22, 1989 3.57 in — Dec 3, 1982

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