All-time weather records — Toulon, IL

Record high
105.1°F
July 25, 1940
Record low
-27.0°F
January 31, 2019
Wettest day
5.41 in
October 10, 1954

Climate change signal in Toulon

11.2%

of Toulon's all-time daily heat records were set in the last decade (41 of 366 records since 2015).

6.8%

of all-time daily cold records were set in the last decade (25 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 #
1930s
8
1
1940s
59
62
1950s
72
55
1960s
48
28
1970s
31
56
1980s
43
74
1990s
19
33
2000s
32
21
2010s
31
30
2020s
23
6

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 1939, the latest in 2026. Period of observation: 1939-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 31, 1989 -27.0°F — Jan 31, 2019 1.83 in — Jan 12, 1960
February 73.9°F — Feb 27, 2024 -25.1°F — Feb 1, 2019 3.12 in — Feb 21, 1997
March 84.9°F — Mar 30, 1986 -11.0°F — Mar 5, 1978 2.75 in — Mar 24, 1954
April 91.0°F — Apr 19, 2002 -2.0°F — Apr 6, 1982 4.75 in — Apr 18, 2013
May 99.0°F — May 1, 1982 14.0°F — May 3, 1983 3.15 in — May 12, 2002
June 100.9°F — Jun 28, 1971 37.9°F — Jun 5, 1945 3.97 in — Jun 24, 1994
July 105.1°F — Jul 25, 1940 42.1°F — Jul 7, 1983 4.40 in — Jul 18, 1969
August 102.9°F — Aug 31, 1953 37.9°F — Aug 29, 1986 3.40 in — Aug 21, 1987
September 102.0°F — Sep 2, 1953 25.0°F — Sep 28, 1942 3.97 in — Sep 13, 2008
October 91.0°F — Oct 3, 1954 17.1°F — Oct 26, 1942 5.41 in — Oct 10, 1954
November 79.0°F — Nov 2, 1944 -4.0°F — Nov 17, 1959 3.00 in — Nov 9, 1966
December 70.0°F — Dec 16, 2021 -24.0°F — Dec 24, 1983 2.87 in — Dec 15, 1971

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