All-time weather records — Lester, IA

Record high
111.0°F
July 4, 1936
Record low
-40.0°F
January 12, 1912
Wettest day
6.41 in
June 22, 2024

Climate change signal in Lester

9.3%

of Lester's all-time daily heat records were set in the last decade (34 of 366 records since 2015).

3.6%

of all-time daily cold records were set in the last decade (13 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
16
83
1900s
7
14
1910s
26
49
1920s
15
44
1930s
69
25
1940s
23
15
1950s
22
23
1960s
20
22
1970s
18
29
1980s
47
19
1990s
18
18
2000s
33
5
2010s
26
13
2020s
26
7

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 1894, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 68.0°F — Jan 27, 2002 -40.0°F — Jan 12, 1912 1.09 in — Jan 11, 1975
February 70.0°F — Feb 24, 2002 -40.0°F — Feb 9, 1899 1.74 in — Feb 28, 1951
March 90.0°F — Mar 22, 2026 -23.1°F — Mar 11, 1948 2.03 in — Mar 31, 2006
April 95.0°F — Apr 27, 1987 3.0°F — Apr 3, 1936 3.60 in — Apr 23, 2001
May 106.0°F — May 30, 1934 19.9°F — May 3, 1967 3.49 in — May 22, 1936
June 107.1°F — Jun 22, 1988 32.0°F — Jun 5, 2000 6.41 in — Jun 22, 2024
July 111.0°F — Jul 4, 1936 32.0°F — Jul 9, 1895 5.15 in — Jul 22, 2010
August 109.0°F — Aug 24, 1936 34.0°F — Aug 14, 1895 4.15 in — Aug 16, 1977
September 104.0°F — Sep 7, 1976 18.0°F — Sep 27, 1893 6.41 in — Sep 1, 1933
October 93.9°F — Oct 5, 1963 -9.9°F — Oct 29, 1925 2.73 in — Oct 16, 1968
November 80.1°F — Nov 9, 1999 -20.0°F — Nov 14, 1959 2.55 in — Nov 20, 1975
December 70.0°F — Dec 4, 1998 -29.9°F — Dec 29, 1917 1.57 in — Dec 30, 1931

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