All-time weather records — Manchester, IL

Record high
113.0°F
July 20, 1934
Record low
-26.0°F
January 7, 1912
Wettest day
5.60 in
December 3, 1982

Climate change signal in Manchester

6%

of Manchester's all-time daily heat records were set in the last decade (22 of 366 records since 2015).

3.3%

of all-time daily cold records were set in the last decade (12 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
15
1900s
22
33
1910s
49
67
1920s
37
49
1930s
103
23
1940s
36
26
1950s
33
19
1960s
10
21
1970s
15
32
1980s
9
38
1990s
8
17
2000s
13
7
2010s
19
15
2020s
10
4

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 1894, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 77.0°F — Jan 23, 1909 -26.0°F — Jan 7, 1912 2.32 in — Jan 13, 1911
February 82.9°F — Feb 10, 1932 -25.1°F — Feb 13, 1905 2.12 in — Feb 21, 2018
March 93.9°F — Mar 22, 1907 -13.0°F — Mar 5, 1978 2.78 in — Mar 14, 1922
April 93.0°F — Apr 10, 1930 10.9°F — Apr 5, 1920 4.00 in — Apr 30, 2017
May 102.9°F — May 31, 1934 21.9°F — May 1, 1907 3.68 in — May 5, 1991
June 106.0°F — Jun 28, 1934 35.1°F — Jun 3, 1946 4.22 in — Jun 9, 1945
July 113.0°F — Jul 20, 1934 35.1°F — Jul 19, 1918 4.50 in — Jul 19, 2015
August 111.9°F — Aug 9, 1934 41.0°F — Aug 27, 1910 4.80 in — Aug 16, 1946
September 104.0°F — Sep 6, 1913 25.0°F — Sep 28, 1942 5.39 in — Sep 4, 1926
October 95.0°F — Oct 2, 1953 12.9°F — Oct 30, 1925 3.52 in — Oct 5, 1941
November 84.0°F — Nov 1, 1937 -6.0°F — Nov 30, 1929 3.63 in — Nov 22, 1942
December 73.9°F — Dec 2, 2012 -20.0°F — Dec 22, 1989 5.60 in — Dec 3, 1982

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