All-time weather records — Pesotum, IL

Record high
825.1°F
June 7, 1947
Record low
-26.0°F
December 22, 1989
Wettest day
6.30 in
August 10, 1933

Climate change signal in Pesotum

7.7%

of Pesotum's all-time daily heat records were set in the last decade (28 of 366 records since 2015).

5.2%

of all-time daily cold records were set in the last decade (19 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
34
42
1900s
47
76
1910s
26
20
1920s
·
·
1930s
·
·
1940s
25
11
1950s
67
37
1960s
19
53
1970s
21
37
1980s
46
33
1990s
25
22
2000s
10
10
2010s
35
22
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 1894, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.0°F — Jan 23, 1909 -25.1°F — Jan 7, 1912 2.69 in — Jan 11, 2020
February 73.9°F — Feb 27, 2024 -23.1°F — Feb 13, 1905 3.61 in — Feb 21, 2018
March 87.1°F — Mar 21, 1907 -9.9°F — Mar 6, 1960 3.86 in — Mar 14, 1922
April 91.9°F — Apr 29, 1899 15.1°F — Apr 7, 1990 3.05 in — Apr 19, 2013
May 98.1°F — May 26, 1911 26.1°F — May 1, 1903 3.79 in — May 8, 1961
June 825.1°F — Jun 7, 1947 34.0°F — Jun 3, 1910 3.99 in — Jun 25, 1900
July 113.0°F — Jul 14, 1954 44.1°F — Jul 2, 1904 3.89 in — Jul 10, 2003
August 104.0°F — Aug 2, 1901 41.0°F — Aug 20, 1897 6.30 in — Aug 10, 1933
September 102.9°F — Sep 5, 1899 21.0°F — Sep 30, 1899 4.68 in — Sep 15, 1931
October 93.0°F — Oct 2, 1897 18.0°F — Oct 26, 1962 3.28 in — Oct 1, 1927
November 82.0°F — Nov 1, 1950 -7.1°F — Nov 25, 1950 3.51 in — Nov 2, 1936
December 71.1°F — Dec 4, 2012 -26.0°F — Dec 22, 1989 4.23 in — Dec 27, 2015

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