All-time weather records — San Antonio, FL

Record high
102.9°F
June 7, 1985
Record low
6.1°F
April 29, 1984
Wettest day
13.12 in
June 15, 1934

Climate change signal in San Antonio

2.2%

of San Antonio's all-time daily heat records were set in the last decade (8 of 366 records since 2015).

1.1%

of all-time daily cold records were set in the last decade (4 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
59
21
1900s
34
53
1910s
3
35
1920s
39
37
1930s
15
42
1940s
49
29
1950s
11
18
1960s
21
26
1970s
16
33
1980s
46
29
1990s
41
21
2000s
24
11
2010s
·
9
2020s
8
2

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 1895, the latest in 2025. Period of observation: 1895-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 87.1°F — Jan 1, 1991 18.0°F — Jan 21, 1985 4.11 in — Jan 24, 1914
February 90.0°F — Feb 24, 1962 19.0°F — Feb 14, 1899 4.37 in — Feb 16, 1998
March 95.0°F — Mar 30, 1907 24.1°F — Mar 3, 1980 6.45 in — Mar 15, 1960
April 98.1°F — Apr 28, 1945 6.1°F — Apr 29, 1984 9.17 in — Apr 13, 1953
May 102.0°F — May 31, 1945 46.0°F — May 8, 1992 11.08 in — May 8, 1979
June 102.9°F — Jun 7, 1985 7.0°F — Jun 9, 1989 13.12 in — Jun 15, 1934
July 102.0°F — Jul 7, 1902 62.1°F — Jul 11, 2012 11.25 in — Jul 31, 1899
August 100.9°F — Aug 22, 1900 62.1°F — Aug 13, 1968 6.79 in — Aug 9, 1928
September 99.0°F — Sep 8, 1925 50.0°F — Sep 22, 1897 8.78 in — Sep 5, 1933
October 97.0°F — Oct 1, 2025 33.1°F — Oct 25, 1903 11.93 in — Oct 9, 2024
November 91.9°F — Nov 6, 1989 26.1°F — Nov 28, 1903 9.27 in — Nov 23, 1988
December 88.0°F — Dec 1, 1982 18.0°F — Dec 13, 1962 4.60 in — Dec 7, 2025

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