All-time weather records — South Houston, TX

Record high
109.0°F
August 27, 2023
Record low
5.0°F
January 23, 1940
Wettest day
12.07 in
August 26, 2017

Climate change signal in South Houston

31.1%

of South Houston's all-time daily heat records were set in the last decade (114 of 366 records since 2015).

1.6%

of all-time daily cold records were set in the last decade (6 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
29
110
1940s
19
44
1950s
27
36
1960s
33
42
1970s
39
50
1980s
19
47
1990s
23
21
2000s
38
6
2010s
56
6
2020s
83
4

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 1930, the latest in 2026. Period of observation: 1930-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 84.9°F — Jan 1, 2022 5.0°F — Jan 23, 1940 4.10 in — Jan 27, 1997
February 89.1°F — Feb 28, 1940 14.0°F — Feb 2, 1951 3.88 in — Feb 1, 1952
March 96.1°F — Mar 30, 1946 21.9°F — Mar 3, 1943 5.00 in — Mar 17, 1957
April 93.9°F — Apr 27, 2011 21.9°F — Apr 4, 1995 6.20 in — Apr 27, 1972
May 100.0°F — May 31, 1998 44.1°F — May 4, 1978 9.48 in — May 3, 1981
June 105.1°F — Jun 29, 2013 55.9°F — Jun 1, 1984 9.29 in — Jun 19, 2006
July 105.1°F — Jul 8, 1939 45.0°F — Jul 27, 1983 7.07 in — Jul 7, 1973
August 109.0°F — Aug 27, 2023 60.1°F — Aug 21, 1940 12.07 in — Aug 26, 2017
September 108.0°F — Sep 4, 2000 50.0°F — Sep 27, 1940 8.83 in — Sep 19, 1979
October 98.1°F — Oct 14, 2024 33.1°F — Oct 31, 1993 9.95 in — Oct 7, 1949
November 90.0°F — Nov 1, 1934 24.1°F — Nov 25, 1938 5.63 in — Nov 2, 1943
December 87.1°F — Dec 9, 2021 9.0°F — Dec 23, 1989 4.45 in — Dec 29, 2010

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