All-time weather records — Worthington, IA

Record high
102.9°F
July 26, 2012
Record low
-35.0°F
January 10, 1982
Wettest day
7.55 in
August 22, 2002

Climate change signal in Worthington

14.8%

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

2.2%

of all-time daily cold records were set in the last decade (8 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
28
18
1950s
59
73
1960s
30
80
1970s
33
66
1980s
59
54
1990s
30
30
2000s
41
25
2010s
60
16
2020s
26
4

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 1947, the latest in 2026. Period of observation: 1947-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 59.0°F — Jan 25, 1981 -35.0°F — Jan 10, 1982 1.60 in — Jan 30, 2006
February 73.0°F — Feb 23, 2017 -33.0°F — Feb 3, 1996 2.23 in — Feb 26, 2007
March 87.1°F — Mar 30, 1986 -26.0°F — Mar 1, 1962 2.14 in — Mar 31, 1998
April 95.0°F — Apr 22, 1980 -2.9°F — Apr 7, 1982 3.43 in — Apr 18, 2013
May 96.1°F — May 28, 2018 19.9°F — May 3, 2005 3.10 in — May 13, 1978
June 100.9°F — Jun 21, 1988 35.1°F — Jun 11, 1972 5.05 in — Jun 4, 2002
July 102.9°F — Jul 26, 2012 42.1°F — Jul 5, 1972 4.30 in — Jul 8, 1951
August 102.9°F — Aug 1, 1988 35.1°F — Aug 20, 1950 7.55 in — Aug 22, 2002
September 98.1°F — Sep 1, 1953 21.0°F — Sep 29, 1949 5.50 in — Sep 21, 2001
October 91.9°F — Oct 4, 1997 10.0°F — Oct 29, 1952 3.24 in — Oct 2, 2019
November 77.0°F — Nov 2, 2000 -14.1°F — Nov 26, 1977 3.30 in — Nov 4, 2003
December 69.1°F — Dec 5, 1998 -27.9°F — Dec 23, 1960 1.73 in — Dec 14, 2015

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