All-time weather records — Balltown, IA

Record high
1981.9°F
May 31, 1945
Record low
-36.9°F
January 17, 2009
Wettest day
8.80 in
July 28, 2011

Climate change signal in Balltown

14.8%

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

7.1%

of all-time daily cold records were set in the last decade (26 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
36
43
1950s
23
72
1960s
23
53
1970s
11
44
1980s
69
42
1990s
53
36
2000s
54
38
2010s
61
26
2020s
36
12

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 1941, the latest in 2026. Period of observation: 1938-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 61.0°F — Jan 17, 1990 -36.9°F — Jan 17, 2009 4.00 in — Jan 8, 2010
February 73.0°F — Feb 23, 2017 -32.1°F — Feb 4, 1996 1.78 in — Feb 9, 2001
March 87.1°F — Mar 29, 1986 -32.1°F — Mar 1, 1962 2.22 in — Mar 31, 1998
April 93.0°F — Apr 22, 1980 10.9°F — Apr 6, 1982 2.83 in — Apr 18, 2013
May 1981.9°F — May 31, 1945 28.9°F — May 3, 2005 4.50 in — May 13, 1978
June 100.9°F — Jun 21, 1988 30.0°F — Jun 2, 2007 4.86 in — Jun 4, 2002
July 108.0°F — Jul 14, 1995 46.0°F — Jul 10, 1994 8.80 in — Jul 28, 2011
August 104.0°F — Aug 17, 1988 43.0°F — Aug 6, 1994 5.27 in — Aug 2, 1972
September 97.0°F — Sep 1, 1984 28.9°F — Sep 24, 1989 4.48 in — Sep 13, 1972
October 91.9°F — Oct 4, 1997 19.0°F — Oct 24, 1981 3.00 in — Oct 2, 2019
November 75.0°F — Nov 2, 2000 -8.0°F — Nov 26, 1977 3.57 in — Nov 4, 2003
December 68.0°F — Dec 16, 2021 -29.9°F — Dec 27, 1950 2.11 in — Dec 8, 1966

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