All-time weather records — Holy Cross, IA

Record high
102.9°F
July 25, 2012
Record low
-67.0°F
August 28, 1956
Wettest day
6.23 in
July 22, 2017

Climate change signal in Holy Cross

14.8%

of Holy Cross's all-time daily heat records were set in the last decade (54 of 366 records since 2015).

5.7%

of all-time daily cold records were set in the last decade (21 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 #
1930s
11
1
1940s
25
21
1950s
49
69
1960s
23
70
1970s
28
86
1980s
58
44
1990s
34
30
2000s
48
18
2010s
57
16
2020s
33
11

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 1938, the latest in 2026. Period of observation: 1937-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 60.1°F — Jan 26, 2002 -36.0°F — Jan 30, 1951 2.00 in — Jan 9, 2026
February 73.0°F — Feb 22, 2017 -38.0°F — Feb 3, 1996 1.24 in — Feb 28, 1948
March 87.1°F — Mar 29, 1986 -29.9°F — Mar 1, 1962 2.93 in — Mar 31, 1998
April 97.0°F — Apr 22, 1980 7.0°F — Apr 6, 1982 3.15 in — Apr 25, 2008
May 95.0°F — May 14, 2013 1.0°F — May 10, 1996 3.80 in — May 29, 2020
June 100.9°F — Jun 21, 1988 39.0°F — Jun 13, 2019 4.50 in — Jun 15, 1991
July 102.9°F — Jul 25, 2012 46.0°F — Jul 4, 1967 6.23 in — Jul 22, 2017
August 102.9°F — Aug 24, 2023 -67.0°F — Aug 28, 1956 3.25 in — Aug 15, 1940
September 100.9°F — Sep 7, 1939 27.0°F — Sep 29, 1949 4.43 in — Sep 20, 2018
October 93.9°F — Oct 3, 1997 14.0°F — Oct 19, 1972 3.52 in — Oct 23, 2020
November 78.1°F — Nov 1, 1950 -11.0°F — Nov 26, 1977 3.72 in — Nov 4, 2003
December 69.1°F — Dec 16, 2021 -29.0°F — Dec 25, 2000 2.01 in — Dec 14, 2015

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