All-time weather records — Dean, TX

Record high
117.0°F
June 28, 1980
Record low
-11.9°F
January 4, 1947
Wettest day
6.19 in
September 27, 1980

Climate change signal in Dean

18.3%

of Dean's all-time daily heat records were set in the last decade (67 of 366 records since 2015).

8.2%

of all-time daily cold records were set in the last decade (30 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
·
·
1900s
1
5
1910s
·
·
1920s
28
14
1930s
30
25
1940s
18
37
1950s
33
52
1960s
36
47
1970s
33
48
1980s
25
52
1990s
17
29
2000s
42
14
2010s
49
24
2020s
54
19

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 1907, the latest in 2026. Period of observation: 1897-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 87.1°F — Jan 8, 1969 -11.9°F — Jan 4, 1947 2.25 in — Jan 22, 1919
February 93.9°F — Feb 11, 2017 -8.0°F — Feb 2, 1985 2.97 in — Feb 15, 1938
March 100.0°F — Mar 27, 1971 6.1°F — Mar 11, 1948 3.60 in — Mar 1, 1988
April 102.9°F — Apr 18, 2011 24.1°F — Apr 3, 1975 5.20 in — Apr 29, 2009
May 109.9°F — May 23, 2000 35.1°F — May 1, 2014 5.12 in — May 22, 1975
June 117.0°F — Jun 28, 1980 50.0°F — Jun 5, 1928 5.36 in — Jun 5, 1985
July 115.0°F — Jul 19, 2022 54.0°F — Jul 5, 1924 3.10 in — Jul 2, 1914
August 113.0°F — Aug 6, 1964 53.1°F — Aug 28, 1992 4.79 in — Aug 13, 2018
September 111.9°F — Sep 8, 2023 37.9°F — Sep 21, 1983 6.19 in — Sep 27, 1980
October 102.0°F — Oct 1, 1938 21.0°F — Oct 31, 1993 4.34 in — Oct 15, 2006
November 91.9°F — Nov 15, 2025 14.0°F — Nov 24, 1950 3.15 in — Nov 2, 1902
December 91.0°F — Dec 24, 2021 -7.1°F — Dec 23, 1989 3.12 in — Dec 6, 1926

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