All-time weather records — Calhoun, IL

Record high
111.9°F
July 14, 1936
Record low
-25.1°F
February 2, 1951
Wettest day
6.43 in
September 3, 1926

Climate change signal in Calhoun

4.9%

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

3.6%

of all-time daily cold records were set in the last decade (13 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
10
9
1900s
35
18
1910s
43
60
1920s
41
36
1930s
77
25
1940s
40
25
1950s
36
23
1960s
13
44
1970s
13
36
1980s
14
41
1990s
9
19
2000s
8
8
2010s
16
19
2020s
11
3

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 1897, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.0°F — Jan 24, 1943 -24.0°F — Jan 19, 1994 3.17 in — Jan 1, 1948
February 78.1°F — Mar 1, 1972 -25.1°F — Feb 2, 1951 2.54 in — Feb 9, 1965
March 89.1°F — Mar 24, 1910 -15.0°F — Mar 5, 1978 6.30 in — Mar 25, 1904
April 91.0°F — Apr 11, 1930 21.0°F — Apr 5, 1944 3.75 in — Apr 19, 1959
May 98.1°F — May 27, 1911 28.9°F — May 1, 1963 5.37 in — May 7, 1961
June 106.0°F — Jun 26, 1954 36.0°F — Jun 16, 1917 4.43 in — Jun 18, 1911
July 111.9°F — Jul 14, 1936 45.0°F — Jul 1, 1937 4.55 in — Jul 10, 1933
August 109.0°F — Aug 8, 1930 41.0°F — Aug 13, 1964 4.12 in — Aug 3, 1924
September 106.0°F — Sep 2, 1953 27.0°F — Sep 26, 1928 6.43 in — Sep 3, 1926
October 97.0°F — Oct 2, 1953 17.1°F — Oct 29, 1952 4.60 in — Oct 18, 1905
November 89.1°F — Nov 23, 1923 -2.0°F — Nov 30, 1929 5.34 in — Nov 14, 1993
December 73.9°F — Dec 2, 1982 -18.9°F — Dec 22, 1989 3.95 in — Dec 3, 1982

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