All-time weather records — Allendale, IL

Record high
109.9°F
August 3, 2002
Record low
-18.9°F
January 20, 1985
Wettest day
6.20 in
March 25, 1913

Climate change signal in Allendale

0%

of Allendale's all-time daily heat records were set in the last decade (0 of 366 records since 2015).

0%

of all-time daily cold records were set in the last decade (0 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
·
·
1900s
·
·
1910s
·
·
1920s
·
·
1930s
·
·
1940s
29
4
1950s
27
14
1970s
19
41
1980s
72
121
1990s
101
82
2000s
102
101
2010s
16
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 1948, the latest in 2011. Period of observation: 1891-2011.

Records by month

Month Hottest day Coldest day Wettest day
January 72.0°F — Jan 2, 2000 -18.9°F — Jan 20, 1985 4.25 in — Jan 24, 1949
February 78.1°F — Feb 28, 1996 -11.9°F — Feb 2, 1951 3.00 in — Feb 15, 1908
March 84.0°F — Mar 26, 2007 0.0°F — Mar 5, 1978 6.20 in — Mar 25, 1913
April 90.0°F — Apr 27, 1989 19.9°F — Apr 8, 2007 3.93 in — Apr 29, 1996
May 96.1°F — May 25, 2007 32.0°F — May 1, 2005 3.85 in — May 18, 1995
June 100.9°F — Jun 26, 1988 43.0°F — Jun 21, 1992 4.26 in — Jun 1, 1903
July 102.0°F — Jul 9, 1988 45.0°F — Jul 24, 2004 4.60 in — Jul 27, 1979
August 109.9°F — Aug 3, 2002 43.0°F — Aug 29, 1986 4.03 in — Aug 25, 2004
September 99.0°F — Sep 4, 1999 33.1°F — Sep 24, 1995 5.60 in — Sep 2, 1931
October 93.0°F — Oct 8, 2007 24.1°F — Oct 24, 1981 5.30 in — Oct 27, 1919
November 84.9°F — Nov 1, 2000 1.9°F — Nov 25, 1950 3.66 in — Nov 18, 1938
December 73.0°F — Dec 7, 1998 -17.0°F — Dec 22, 1989 3.57 in — Dec 12, 1949

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