All-time weather records — Denison, TX

Record high
113.0°F
August 10, 1936
Record low
-2.9°F
February 16, 2021
Wettest day
10.00 in
August 9, 1982

Climate change signal in Denison

6.6%

of Denison's all-time daily heat records were set in the last decade (24 of 366 records since 2015).

4.1%

of all-time daily cold records were set in the last decade (15 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
·
1
1900s
22
15
1910s
17
22
1920s
55
18
1930s
52
27
1940s
26
51
1950s
76
28
1960s
26
35
1970s
27
69
1980s
26
50
1990s
7
19
2000s
5
9
2010s
10
14
2020s
17
8

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 1902, the latest in 2026. Period of observation: 1897-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 86.0°F — Jan 23, 1943 -2.0°F — Jan 31, 1949 3.87 in — Jan 31, 1982
February 91.0°F — Feb 22, 1996 -2.9°F — Feb 16, 2021 3.20 in — Feb 18, 1938
March 95.0°F — Mar 23, 1929 7.0°F — Mar 3, 1943 6.60 in — Mar 27, 1977
April 97.0°F — Apr 1, 1974 28.0°F — Apr 2, 1936 7.45 in — Apr 29, 2009
May 107.1°F — May 28, 1927 28.9°F — May 3, 2005 8.00 in — May 13, 1982
June 109.9°F — Jun 28, 1980 48.0°F — Jun 23, 1991 7.10 in — Jun 18, 2007
July 109.0°F — Jul 11, 1933 46.0°F — Jul 8, 1931 5.10 in — Jul 3, 1903
August 113.0°F — Aug 10, 1936 52.0°F — Aug 13, 1967 10.00 in — Aug 9, 1982
September 107.1°F — Sep 2, 1951 36.0°F — Sep 27, 1942 5.60 in — Sep 22, 2018
October 100.0°F — Oct 4, 1951 21.9°F — Oct 30, 1917 7.28 in — Oct 16, 1981
November 89.1°F — Nov 1, 1977 12.9°F — Nov 29, 1976 7.93 in — Nov 14, 1994
December 88.0°F — Dec 25, 1955 -2.0°F — Dec 23, 1989 5.33 in — Dec 13, 1927

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