Weather on March 21
San Angelo, TX
55 Years of Data
Avg High
74°F
Avg Low
45°F
Warmest
2026
81°F avg
Coldest
1983
39°F avg
About This Date
March 21st in San Angelo, TX typically brings pleasant spring weather, with average highs around 74°F and lows near 45°F — a 29°F daily swing. Over 56 years of records, the warmest March 21st was in 2026 (81°F average), while the coldest was 1983 (39°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 16% of March 21st dates historically, with the wettest March 21st recording 1.96" of rain. The last decade has been 7.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.7°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in San Angelo, TX? Great weather for outdoor activities.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 100° | 63° | 81° | — | — |
| 2025 | 81° | 42° | 61° | — | — |
| 2024 | 78° | 51° | 65° | — | — |
| 2023 | 81° | 53° | 67° | — | — |
| 2022 | 78° | 57° | 68° | 0.03" | — |
| 2021 | 79° | 45° | 62° | — | — |
| 2020 | 48° | 41° | 45° | 1.09" | — |
| 2019 | 74° | 38° | 56° | — | — |
| 2018 | 80° | 41° | 61° | — | — |
| 2017 | 95° | 58° | 76° | — | — |
| 2016 | 70° | 33° | 51° | — | — |
| 2015 | 58° | 52° | 55° | 0.81" | — |
| 2014 | 87° | 61° | 74° | — | — |
| 2013 | 86° | 56° | 71° | — | — |
| 2012 | 66° | 41° | 54° | 0.08" | — |
| 2011 | 80° | 67° | 73° | — | — |
| 2010 | 64° | 27° | 45° | — | — |
| 2009 | 82° | 59° | 71° | — | — |
| 2008 | 79° | 51° | 65° | — | — |
| 2007 | 84° | 64° | 74° | — | — |
| 2006 | 59° | 33° | 46° | — | — |
| 2005 | 73° | 46° | 60° | — | — |
| 2004 | 66° | 52° | 59° | — | — |
| 2003 | 73° | 33° | 53° | 1.57" | — |
| 2002 | 61° | 35° | 48° | — | — |
| 2001 | 72° | 31° | 51° | — | — |
| 2000 | 82° | 50° | 66° | — | — |
| 1999 | 75° | 39° | 57° | — | — |
| 1998 | 62° | 32° | 47° | — | — |
| 1997 | 85° | 49° | 67° | — | — |
| 1996 | 61° | 30° | 45° | — | — |
| 1995 | 79° | 50° | 64° | — | — |
| 1994 | 89° | 50° | 70° | — | — |
| 1993 | 61° | 45° | 53° | — | — |
| 1992 | 73° | 44° | 59° | — | — |
| 1991 | 69° | 59° | 64° | — | — |
| 1990 | 72° | 41° | 56° | — | — |
| 1989 | 84° | 23° | 54° | 0.05" | — |
| 1988 | 86° | 43° | 64° | — | — |
| 1987 | 79° | 47° | 63° | — | — |
| 1986 | 63° | 33° | 48° | — | — |
| 1985 | 60° | 42° | 51° | — | — |
| 1984 | 71° | 41° | 56° | — | — |
| 1983coldest | 52° | 26° | 39° | 0.03" | — |
| 1982 | 73° | 47° | 60° | 1.42" | — |
| 1981 | 69° | 47° | 58° | — | — |
| 1980 | 71° | 39° | 55° | — | — |
| 1979 | 64° | 51° | 58° | 1.96" | — |
| 1978 | 88° | 53° | 70° | — | — |
| 1977 | 74° | 42° | 58° | — | — |
| 1976 | 74° | 38° | 56° | — | — |
| 1975 | 88° | 56° | 72° | — | — |
| 1974 | 72° | 32° | 52° | — | — |
| 1973 | 65° | 38° | 51° | — | — |
| 1972 | 84° | 46° | 65° | — | — |
| 1971 | 71° | 35° | 53° | — | — |
56 years of data from SAN ANGELO DAM