San Antonio - Extreme Daily Precipitation for Each Year





This page lists the biggest rainstorms or snowstorms of the year in San Antonio, Texas along with the date they occurred. The information answers questions like: When was the last time more than five inches of rain landed on San Antonio in a single day? What was the rainiest day of 2019?

This page gives the highest daily precipitation for each year in San Antonio and the date that it happened. A date with a plus sign beside it means the same amount of moisture also fell on at least one other day earlier that year.

These records were observed at San Antonio's International Airport and go back to 1947. During that time the heaviest downpour measured for a single day was 9.87 inches (250.7 millimetres) on May 25, 2013.

Most precipitation in one day for recent years in San Antonio
Inches Date Milli­metres
2.64 October 13, 2021   67.1
2.06 April 04, 2020   52.3
3.11 October 24, 2019 79.0
6.07 September 03, 2018 154.2
3.31 August 07, 2017 84.1
4.75 September 26, 2016 120.7
4.07 October 24, 2015 103.4
3.02 July 18, 2014 76.7
9.87 May 25, 2013 250.7
2.94 January 25, 2012 74.7
3.06 October 09, 2011 77.7
3.69 September 07, 2010 93.7
Highest daily precipitation recorded at San Antonio each year
Inches Date Milli­metres
5.42 October 04, 2009 137.7
1.84 August 18, 2008 46.7
5.73 August 16, 2007 145.5
1.87 September 17, 2006 47.5
1.57 January 27, 2005 39.9
3.53 October 24, 2004 89.7
2.15 July 05, 2003 54.6
9.52 July 01, 2002 241.8
3.24 August 29, 2001 82.3
3.39 November 02, 2000 86.1
1.57 May 10, 1999 39.9
11.26 October 17, 1998 286.0
2.66 June 21, 1997 67.6
1.78 September 24, 1996 45.2
3.21 September 20, 1995 81.5
3.90 October 07, 1994 99.1
6.26 May 05, 1993 159.0
2.50 March 03, 1992 + 63.5
5.97 December 19, 1991 151.6
4.09 July 15, 1990 103.9
3.11 October 07, 1989 79.0
3.24 June 02, 1988 82.3
3.54 May 29, 1987 89.9
5.13 June 04, 1986 130.3
4.45 July 03, 1985 113.0
1.50 November 15, 1984 38.1
2.43 September 18, 1983 61.7
3.52 May 06, 1982 89.4
4.53 October 06, 1981 115.1
2.62 September 06, 1980 66.5
3.87 June 01, 1979 98.3
5.13 September 13, 1978 130.3
4.87 November 01, 1977 123.7
2.99 May 07, 1976 75.9
2.16 October 25, 1975 + 54.9
3.66 August 08, 1974 93.0
6.54 September 26, 1973 166.1
5.34 May 07, 1972 135.6
2.38 August 03, 1971 60.5
3.27 May 26, 1970 83.1
2.76 October 05, 1969 70.1
2.72 January 18, 1968 69.1
2.45 September 21, 1967 62.2
1.96 April 24, 1966 49.8
3.05 May 18, 1965 77.5
3.83 August 22, 1964 97.3
2.45 May 05, 1963 62.2
3.96 November 27, 1962 100.6
3.62 July 22, 1961 91.9
4.94 August 15, 1960 125.5
3.66 October 04, 1959 93.0
4.45 July 07, 1958 113.0
4.76 September 22, 1957 120.9
2.32 August 20, 1956 58.9
1.78 May 11, 1955 45.2
1.75 June 26, 1954 44.5
1.84 June 29, 1953 46.7
1.49 April 09, 1952 37.8
6.18 June 03, 1951 157.0
5.57 August 13, 1950 141.5
4.09 October 22, 1949 103.9
4.42 August 26, 1948 112.3
1.38 May 16, 1947 35.1
Reference

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

San Antonio - Extremes
Back to Top