All-time weather records — Vermilion, IL

Record high
109.0°F
July 14, 1936
Record low
-23.1°F
January 18, 1930
Wettest day
10.20 in
June 28, 1957

Climate change signal in Vermilion

6%

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

5.5%

of all-time daily cold records were set in the last decade (20 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
50
30
1900s
21
25
1910s
44
43
1920s
28
67
1930s
75
29
1940s
26
22
1950s
35
32
1960s
6
28
1970s
13
19
1980s
16
29
1990s
11
13
2000s
9
4
2010s
17
19
2020s
15
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 1893, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 80.1°F — Jan 9, 1932 -23.1°F — Jan 18, 1930 3.00 in — Jan 18, 1949
February 75.0°F — Feb 26, 2000 -20.9°F — Feb 13, 1905 3.00 in — Feb 28, 2011
March 88.0°F — Mar 22, 1907 -8.0°F — Mar 6, 1960 4.60 in — Mar 14, 1922
April 91.9°F — Apr 11, 1930 17.1°F — Apr 7, 1982 3.95 in — Apr 2, 2024
May 99.0°F — May 10, 1896 27.0°F — May 14, 1895 4.20 in — May 2, 1935
June 106.0°F — Jun 25, 1954 33.1°F — Jun 6, 1894 10.20 in — Jun 28, 1957
July 109.0°F — Jul 14, 1936 45.0°F — Jul 1, 1937 3.98 in — Jul 28, 1979
August 107.1°F — Aug 3, 1897 39.0°F — Aug 31, 1915 3.46 in — Aug 17, 1993
September 105.1°F — Sep 5, 1954 24.1°F — Sep 30, 1899 6.75 in — Sep 15, 1931
October 93.0°F — Oct 3, 1954 15.1°F — Oct 29, 1925 3.95 in — Oct 11, 1949
November 82.9°F — Nov 1, 1933 -6.0°F — Nov 25, 1950 3.70 in — Nov 14, 1993
December 73.0°F — Dec 2, 1982 -22.0°F — Dec 22, 1989 4.55 in — Dec 27, 2015

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