All-time weather records — Dallas, TX

Record high
111.9°F
June 26, 1980
Record low
0.0°F
January 23, 1940
Wettest day
6.90 in
March 19, 2006

Climate change signal in Dallas

16.9%

of Dallas's all-time daily heat records were set in the last decade (62 of 366 records since 2015).

3.8%

of all-time daily cold records were set in the last decade (14 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 #
1930s
7
·
1940s
33
90
1950s
72
70
1960s
24
51
1970s
40
47
1980s
51
57
1990s
26
23
2000s
28
5
2010s
44
13
2020s
41
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 1939, the latest in 2026. Period of observation: 1939-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 88.0°F — Jan 8, 1969 0.0°F — Jan 23, 1940 5.14 in — Jan 24, 1949
February 95.0°F — Feb 21, 1996 2.1°F — Feb 16, 2021 3.83 in — Feb 20, 2018
March 97.0°F — Mar 31, 1974 10.9°F — Mar 3, 1943 6.90 in — Mar 19, 2006
April 100.0°F — Apr 17, 2006 30.9°F — Apr 13, 1957 5.10 in — Apr 26, 1957
May 102.9°F — May 31, 1985 39.0°F — May 4, 1954 5.14 in — May 17, 1949
June 111.9°F — Jun 26, 1980 32.0°F — Jun 24, 2025 5.28 in — Jun 11, 2009
July 111.9°F — Jul 22, 2018 60.1°F — Jul 5, 1940 4.62 in — Jul 27, 1962
August 111.0°F — Aug 3, 2011 55.9°F — Aug 20, 1940 6.80 in — Aug 27, 1947
September 109.9°F — Sep 4, 2000 36.0°F — Sep 27, 1942 5.25 in — Sep 8, 2010
October 100.0°F — Oct 1, 1979 27.0°F — Oct 31, 1993 6.01 in — Oct 1, 1959
November 91.9°F — Nov 2, 2017 17.1°F — Nov 11, 1950 4.91 in — Nov 2, 1946
December 89.1°F — Dec 24, 1955 1.0°F — Dec 23, 1989 3.98 in — Dec 20, 1991

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