All-time weather records — Bartonville, IL

Record high
105.1°F
June 25, 1988
Record low
-25.1°F
January 17, 1977
Wettest day
5.19 in
July 15, 2020

Climate change signal in Bartonville

19.1%

of Bartonville's all-time daily heat records were set in the last decade (70 of 366 records since 2015).

4.1%

of all-time daily cold records were set in the last decade (15 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 #
1940s
30
32
1950s
51
49
1960s
31
78
1970s
27
79
1980s
58
57
1990s
22
36
2000s
45
14
2010s
59
18
2020s
43
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 1943, the latest in 2026. Period of observation: 1943-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 70.0°F — Jan 31, 1989 -25.1°F — Jan 17, 1977 4.43 in — Jan 1, 1965
February 78.1°F — Feb 27, 2024 -18.9°F — Feb 3, 1996 1.81 in — Feb 21, 1997
March 87.1°F — Mar 26, 2026 -9.9°F — Mar 6, 1960 2.88 in — Mar 14, 1944
April 91.9°F — Apr 25, 1986 14.0°F — Apr 6, 1982 5.06 in — Apr 24, 1950
May 97.0°F — May 27, 2018 25.0°F — May 10, 1966 3.10 in — May 13, 1957
June 105.1°F — Jun 25, 1988 39.0°F — Jun 1, 1993 4.42 in — Jun 2, 1980
July 104.0°F — Jul 7, 2012 46.9°F — Jul 5, 1972 5.19 in — Jul 15, 2020
August 102.9°F — Aug 17, 1988 41.0°F — Aug 28, 1986 4.32 in — Aug 29, 1955
September 100.0°F — Sep 1, 1953 28.9°F — Sep 23, 1995 4.11 in — Sep 13, 1961
October 93.0°F — Oct 3, 2006 19.0°F — Oct 19, 1972 3.98 in — Oct 24, 2021
November 81.0°F — Nov 1, 1950 -2.0°F — Nov 26, 1977 4.26 in — Nov 27, 1990
December 71.1°F — Dec 2, 1982 -23.1°F — Dec 22, 1989 2.52 in — Dec 24, 1965

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