San Antonio - Highest Temperature for Each Year

Here's where you'll find answers to questions about the highest temperatures and hottest days in San Antonio, Texas. How hot did it get in 2019? When was the last time thermometers in San Antonio rose to 110 °F? What was the highest temperature in San Antonio five decades ago? Answers to those questions and much more can be found quickly and easily in the list below of record high temperatures.

This page gives the highest temperature for each year in San Antonio and the date that it happened. A date with a plus sign beside it means it was that hot on at least one other day earlier that year.

These records were observed at San Antonio's International Airport and go back to 1947. The highest temperature measured during that time was 111 degrees Fahrenheit (44 Celsius) on September 5, 2000.

Highest San Antonio temperatures in recent years
Max °F Date Max °C
106 August 17, 2023 + 41
107 July 11, 2022   42
100 September 20, 2021 + 38
107 July 13, 2020   42
103 August 13, 2019 39
105 July 23, 2018 41
105 July 30, 2017 41
102 August 12, 2016 39
104 August 11, 2015 40
102 August 21, 2014 + 39
108 June 29, 2013 42
106 June 26, 2012 41
110 August 28, 2011 43
103 August 24, 2010 39
Highest temperature recorded at San Antonio each year
Max °F Date Max °C
104 August 23, 2009 + 40
102 June 19, 2008 39
98 August 13, 2007 37
102 August 26, 2006 + 39
105 September 25, 2005 41
104 May 31, 2004 40
103 August 08, 2003 39
100 August 27, 2002 + 38
102 August 06, 2001 39
111 September 05, 2000 44
104 August 21, 1999 40
107 June 15, 1998 42
102 August 17, 1997 39
103 June 20, 1996 39
103 July 28, 1995 39
104 July 25, 1994 40
101 September 08, 1993 38
100 August 26, 1992 38
103 July 31, 1991 39
102 August 27, 1990 + 39
106 July 19, 1989 41
102 August 10, 1988 + 39
100 August 16, 1987 38
108 August 19, 1986 42
103 September 02, 1985 39
101 August 19, 1984 + 38
101 August 31, 1983 38
102 August 17, 1982 39
100 August 16, 1981 + 38
105 June 27, 1980 41
98 October 03, 1979 + 37
101 July 16, 1978 38
99 September 05, 1977 37
96 August 10, 1976 + 36
96 July 29, 1975 + 36
99 July 26, 1974 37
97 August 23, 1973 36
98 July 30, 1972 37
100 July 16, 1971 + 38
100 August 10, 1970 38
104 August 17, 1969 + 40
99 August 12, 1968 + 37
102 July 31, 1967 39
99 August 06, 1966 + 37
99 September 11, 1965 + 37
104 August 05, 1964 40
100 September 07, 1963 + 38
106 August 13, 1962 41
100 August 04, 1961 38
104 July 30, 1960 40
101 September 01, 1959 + 38
100 August 03, 1958 + 38
102 July 30, 1957 + 39
103 July 16, 1956 39
101 August 09, 1955 + 38
106 July 27, 1954 + 41
106 August 09, 1953 41
101 September 01, 1952 + 38
105 July 19, 1951 41
99 August 06, 1950 + 37
101 August 02, 1949 38
103 August 22, 1948 + 39
104 August 10, 1947 40
Reference

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

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