Weather on March 20
San Antonio, TX
55 Years of Data
Avg High
76°F
Avg Low
51°F
Warmest
1976
76°F avg
Coldest
2019
48°F avg
About This Date
March 20th in San Antonio, TX typically brings pleasant spring weather, with average highs around 76°F and lows near 51°F — a 25°F daily swing. Over 56 years of records, the warmest March 20th was in 1976 (76°F average), while the coldest was 2019 (48°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 29% of March 20th dates historically, with the wettest March 20th recording 4.62" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 20th in San Antonio, TX? Great weather for outdoor activities.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 90° | 55° | 72° | — | — |
| 2025 | 72° | 42° | 57° | — | — |
| 2024 | 59° | 49° | 54° | — | — |
| 2023 | 56° | 43° | 49° | 0.05" | — |
| 2022 | 79° | 43° | 61° | — | — |
| 2021 | 71° | 42° | 57° | — | — |
| 2020 | 83° | 68° | 75° | 0.94" | — |
| 2019coldest | 57° | 40° | 48° | — | — |
| 2018 | 84° | 53° | 69° | — | — |
| 2017 | 83° | 62° | 72° | — | — |
| 2016 | 65° | 40° | 52° | — | — |
| 2015 | 72° | 61° | 66° | 0.94" | — |
| 2014 | 74° | 47° | 60° | — | — |
| 2013 | 82° | 55° | 69° | — | — |
| 2012 | 81° | 53° | 67° | 4.62" | — |
| 2011 | 83° | 65° | 74° | — | — |
| 2010 | 75° | 52° | 63° | 1.32" | — |
| 2009 | 83° | 51° | 67° | — | — |
| 2008 | 72° | 40° | 56° | — | — |
| 2007 | 78° | 65° | 71° | 0.08" | — |
| 2006 | 81° | 60° | 70° | 2.31" | — |
| 2005 | 76° | 52° | 64° | 0.36" | — |
| 2004 | 77° | 67° | 72° | 0.1" | — |
| 2003 | 78° | 52° | 65° | — | — |
| 2002 | 76° | 57° | 66° | 1.73" | — |
| 2001 | 60° | 37° | 49° | — | — |
| 2000 | 72° | 41° | 56° | — | — |
| 1999 | 68° | 52° | 60° | 0.69" | — |
| 1998 | 73° | 40° | 56° | 0.03" | — |
| 1997 | 83° | 42° | 62° | — | — |
| 1996 | 69° | 34° | 51° | — | — |
| 1995 | 88° | 55° | 71° | — | — |
| 1994 | 84° | 66° | 75° | — | — |
| 1993 | 73° | 57° | 65° | — | — |
| 1992 | 68° | 48° | 58° | — | — |
| 1991 | 72° | 60° | 66° | — | — |
| 1990 | 69° | 38° | 53° | — | — |
| 1989 | 86° | 55° | 71° | 0.03" | — |
| 1988 | 77° | 32° | 55° | — | — |
| 1987 | 78° | 49° | 63° | — | — |
| 1986 | 67° | 42° | 54° | — | — |
| 1985 | 77° | 55° | 66° | 0.13" | — |
| 1984 | 76° | 40° | 58° | — | — |
| 1983 | 59° | 41° | 50° | 0.41" | — |
| 1982 | 74° | 68° | 71° | — | — |
| 1981 | 72° | 38° | 55° | — | — |
| 1980 | 88° | 59° | 73° | — | — |
| 1979 | 74° | 61° | 67° | 0.46" | — |
| 1978 | 78° | 62° | 70° | — | — |
| 1977 | 74° | 49° | 61° | — | — |
| 1976warmest | 93° | 59° | 76° | — | — |
| 1975 | 81° | 58° | 69° | — | — |
| 1974 | 85° | 55° | 70° | — | — |
| 1973 | 76° | 52° | 64° | — | — |
| 1972 | 80° | 60° | 70° | — | — |
| 1971 | 75° | 33° | 54° | — | — |
56 years of data from SAN ANTONIO INCARNATE WORD