Weather on March 20
San Antonio, TX
55 Years of Data
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.
| 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° | — | — |
San Antonio, TX Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Antonio, TX Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Antonio, TX Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit San Antonio, TX
San Antonio, TX has no months that meet our "pleasant" threshold — every season has tradeoffs.