All-time weather records — Rensselaer, IN

Record high
104.0°F
August 18, 1988
Record low
-25.1°F
January 20, 1985
Wettest day
4.80 in
July 6, 1994

Climate change signal in Rensselaer

20.5%

of Rensselaer's all-time daily heat records were set in the last decade (75 of 366 records since 2015).

17.5%

of all-time daily cold records were set in the last decade (64 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 #
1970s
44
106
1980s
90
85
1990s
62
61
2000s
48
30
2010s
82
51
2020s
40
33

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 1970, the latest in 2026. Period of observation: 1970-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.0°F — Jan 8, 2008 -25.1°F — Jan 20, 1985 3.53 in — Jan 8, 2008
February 78.1°F — Feb 28, 1976 -22.0°F — Feb 10, 1982 2.79 in — Feb 21, 2018
March 87.1°F — Mar 22, 2012 -5.1°F — Mar 5, 1978 2.60 in — Mar 8, 1998
April 90.0°F — Apr 26, 1986 1.9°F — Apr 7, 1982 2.24 in — Apr 25, 2007
May 98.1°F — May 29, 2018 24.1°F — May 9, 2020 4.75 in — May 19, 1987
June 102.9°F — Jun 26, 1988 37.0°F — Jun 1, 2003 3.86 in — Jun 23, 2018
July 100.9°F — Jul 8, 2012 42.1°F — Jul 31, 1971 4.80 in — Jul 6, 1994
August 104.0°F — Aug 18, 1988 41.0°F — Aug 29, 1986 3.83 in — Aug 22, 2014
September 97.0°F — Sep 11, 2013 30.0°F — Sep 22, 1995 4.60 in — Sep 28, 2019
October 90.0°F — Oct 1, 1971 21.0°F — Oct 22, 1976 3.57 in — Oct 16, 1993
November 79.0°F — Nov 2, 2016 1.9°F — Nov 13, 2019 3.50 in — Nov 2, 1982
December 72.0°F — Dec 4, 2012 -23.1°F — Dec 22, 1989 2.37 in — Dec 15, 2011

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