All-time weather records — Wynona, OK

Record high
116.1°F
July 18, 1936
Record low
-26.0°F
January 22, 1930
Wettest day
9.55 in
September 15, 1915

Climate change signal in Wynona

0%

of Wynona's all-time daily heat records were set in the last decade (0 of 366 records since 2015).

0%

of all-time daily cold records were set in the last decade (0 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
6
7
1900s
27
38
1910s
113
49
1920s
16
16
1930s
56
32
1940s
28
43
1950s
47
44
1960s
16
37
1970s
15
26
1980s
11
33
1990s
11
17
2000s
15
14
2010s
5
10

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 1899, the latest in 2013. Period of observation: 1898-2016.

Records by month

Month Hottest day Coldest day Wettest day
January 81.0°F — Jan 30, 1913 -26.0°F — Jan 22, 1930 2.44 in — Jan 5, 2005
February 90.0°F — Feb 1, 1911 -25.1°F — Feb 10, 2011 3.25 in — Feb 21, 1997
March 97.0°F — Mar 19, 1907 -11.0°F — Mar 12, 1948 5.90 in — Mar 10, 1974
April 100.9°F — Apr 12, 1972 14.0°F — Apr 13, 1957 7.92 in — Apr 11, 1994
May 104.0°F — May 27, 1912 30.0°F — May 4, 1907 5.30 in — May 19, 1899
June 109.9°F — Jun 6, 1911 39.9°F — Jun 22, 2011 6.01 in — Jun 10, 1985
July 116.1°F — Jul 18, 1936 39.0°F — Jul 2, 2011 7.47 in — Jul 1, 1945
August 114.1°F — Aug 10, 1937 39.0°F — Aug 28, 2011 7.28 in — Aug 3, 1931
September 109.9°F — Sep 2, 1939 28.9°F — Sep 30, 1984 9.55 in — Sep 15, 1915
October 97.0°F — Oct 1, 1910 12.9°F — Oct 30, 1917 6.21 in — Oct 20, 1983
November 88.0°F — Nov 2, 2012 1.9°F — Nov 18, 1903 3.82 in — Nov 20, 1979
December 82.0°F — Dec 13, 1948 -14.1°F — Dec 30, 1983 4.11 in — Dec 19, 1898

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