All-time weather records — Cedar Rapids, IA

Record high
104.0°F
July 31, 1988
Record low
-29.7°F
January 31, 2019
Wettest day
5.35 in
August 27, 2009

Climate change signal in Cedar Rapids

16.1%

of Cedar Rapids's all-time daily heat records were set in the last decade (59 of 366 records since 2015).

13.9%

of all-time daily cold records were set in the last decade (51 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 #
1950s
52
22
1960s
56
73
1970s
32
60
1980s
59
52
1990s
43
38
2000s
36
51
2010s
49
41
2020s
39
29

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 1953, the latest in 2026. Period of observation: 1953-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.9°F — Jan 31, 1989 -29.7°F — Jan 31, 2019 2.02 in — Jan 12, 1960
February 75.9°F — Feb 22, 2017 -26.0°F — Feb 2, 1996 1.43 in — Feb 2, 1983
March 89.1°F — Mar 21, 2026 -20.0°F — Mar 1, 1962 2.43 in — Mar 30, 1998
April 95.0°F — Apr 22, 1980 1.0°F — Apr 6, 1982 3.26 in — Apr 13, 2014
May 97.0°F — May 27, 2018 25.0°F — May 3, 2005 3.39 in — May 9, 1996
June 100.0°F — Jun 7, 1963 39.0°F — Jun 1, 1993 4.77 in — Jun 16, 1990
July 104.0°F — Jul 31, 1988 46.0°F — Jul 4, 1967 4.18 in — Jul 5, 1993
August 102.0°F — Aug 15, 1988 39.9°F — Aug 28, 1986 5.35 in — Aug 27, 2009
September 99.0°F — Sep 9, 2013 27.0°F — Sep 29, 1984 3.39 in — Sep 3, 1958
October 93.9°F — Oct 3, 1997 15.1°F — Oct 27, 1997 2.51 in — Oct 31, 1960
November 78.1°F — Nov 8, 1999 -11.0°F — Nov 26, 1977 2.70 in — Nov 2, 1961
December 73.0°F — Dec 15, 2021 -22.0°F — Dec 23, 1989 1.82 in — Dec 13, 2015

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