All-time weather records — Omro, WI

Record high
107.1°F
July 13, 1936
Record low
-34.1°F
February 20, 1929
Wettest day
5.40 in
August 4, 1924

Climate change signal in Omro

11.2%

of Omro's all-time daily heat records were set in the last decade (41 of 366 records since 2015).

0.5%

of all-time daily cold records were set in the last decade (2 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
20
28
1900s
9
32
1910s
33
45
1920s
26
64
1930s
66
28
1940s
41
27
1950s
26
37
1960s
12
32
1970s
15
28
1980s
19
26
1990s
16
14
2000s
24
1
2010s
32
4
2020s
27
·

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 57.0°F — Jan 25, 1944 -32.1°F — Jan 30, 1951 2.40 in — Jan 31, 1917
February 72.0°F — Feb 28, 2024 -34.1°F — Feb 20, 1929 1.82 in — Feb 22, 1981
March 82.9°F — Mar 22, 2012 -24.0°F — Mar 1, 1962 2.48 in — Mar 31, 1998
April 91.0°F — Apr 22, 1980 5.0°F — Apr 1, 1899 3.70 in — Apr 13, 2014
May 104.0°F — May 31, 1934 19.9°F — May 9, 1966 4.15 in — May 3, 2012
June 102.0°F — Jun 1, 1934 28.0°F — Jun 25, 1922 5.16 in — Jun 13, 2008
July 107.1°F — Jul 13, 1936 24.1°F — Jul 8, 1922 3.90 in — Jul 15, 2021
August 102.0°F — Aug 16, 1937 28.9°F — Aug 3, 2000 5.40 in — Aug 4, 1924
September 99.0°F — Sep 10, 1931 25.0°F — Sep 22, 1974 4.58 in — Sep 11, 1986
October 90.0°F — Oct 6, 1963 8.1°F — Oct 30, 1925 5.00 in — Oct 23, 2020
November 78.1°F — Nov 1, 1933 -8.0°F — Nov 24, 1950 2.30 in — Nov 28, 1983
December 64.9°F — Dec 6, 2001 -27.0°F — Dec 24, 1983 1.78 in — Dec 23, 2006

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