All-time weather records — Leighton, IA

Record high
111.9°F
July 25, 1936
Record low
-31.0°F
January 12, 1912
Wettest day
11.07 in
October 11, 1947

Climate change signal in Leighton

4.9%

of Leighton's all-time daily heat records were set in the last decade (18 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 #
1890s
32
47
1900s
16
35
1910s
30
50
1920s
18
37
1930s
90
24
1940s
18
30
1950s
38
30
1960s
14
27
1970s
11
21
1980s
36
20
1990s
15
23
2000s
18
12
2010s
21
7
2020s
9
3

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 1893, the latest in 2024. Period of observation: 1893-2025.

Records by month

Month Hottest day Coldest day Wettest day
January 69.1°F — Jan 31, 1989 -31.0°F — Jan 12, 1912 3.00 in — Jan 17, 2008
February 78.1°F — Feb 24, 1930 -31.0°F — Feb 13, 1905 8.00 in — Feb 16, 2003
March 88.0°F — Mar 29, 1895 -29.9°F — Mar 1, 1962 2.37 in — Mar 16, 1919
April 91.9°F — Apr 10, 1930 6.1°F — Apr 5, 1982 3.82 in — Apr 18, 2013
May 106.0°F — May 31, 1934 24.1°F — May 4, 1907 3.43 in — May 26, 1903
June 104.0°F — Jun 2, 1934 36.0°F — Jun 4, 1945 6.51 in — Jun 24, 2000
July 111.9°F — Jul 25, 1936 44.1°F — Jul 21, 1944 4.35 in — Jul 8, 1994
August 111.9°F — Aug 8, 1934 36.0°F — Aug 20, 1950 5.36 in — Aug 5, 1970
September 100.9°F — Sep 8, 1947 19.9°F — Sep 28, 1942 5.55 in — Sep 13, 1961
October 96.1°F — Oct 2, 1953 3.0°F — Oct 30, 1925 11.07 in — Oct 11, 1947
November 82.9°F — Nov 10, 1987 -7.1°F — Nov 21, 1937 4.65 in — Nov 17, 1952
December 75.0°F — Dec 16, 2021 -29.9°F — Dec 28, 1924 5.00 in — Dec 24, 2008

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