Weather on February 21
San Antonio, TX
55 Years of Data
Avg High
71°F
Avg Low
47°F
Warmest
1996
76°F avg
Coldest
2025
36°F avg
About This Date
February 21st in San Antonio, TX typically brings pleasant winter weather, with average highs around 71°F and lows near 47°F. Over 56 years of records, the warmest February 21st was in 1996 (76°F average), while the coldest was 2025 (36°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 32% of February 21st dates historically, with the wettest February 21st recording 2.67" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for February 21st in San Antonio, TX? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 76° | 52° | 64° | — | — |
| 2025coldest | 40° | 31° | 36° | — | — |
| 2024 | 78° | 45° | 61° | — | — |
| 2023 | 85° | 57° | 71° | — | — |
| 2022 | 83° | 62° | 72° | — | — |
| 2021 | 91° | 22° | 56° | — | — |
| 2020 | 49° | 40° | 44° | — | — |
| 2019 | 68° | 33° | 51° | — | — |
| 2018 | 69° | 49° | 59° | 0.23" | — |
| 2017 | 84° | 50° | 67° | — | — |
| 2016 | 73° | 65° | 69° | — | — |
| 2015 | 79° | 62° | 70° | — | — |
| 2014 | 83° | 41° | 62° | — | — |
| 2013 | 69° | 54° | 61° | 0.03" | — |
| 2012 | 70° | 49° | 59° | — | — |
| 2011 | 82° | 63° | 72° | — | — |
| 2010 | 66° | 56° | 61° | 0.13" | — |
| 2009 | 73° | 37° | 55° | — | — |
| 2008 | 75° | 60° | 68° | — | — |
| 2007 | 72° | 51° | 61° | 0.03" | — |
| 2006 | 47° | 37° | 42° | 0.1" | — |
| 2005 | 71° | 57° | 64° | 0.03" | — |
| 2004 | 78° | 49° | 63° | — | — |
| 2003 | 60° | 51° | 56° | 2.31" | — |
| 2002 | 79° | 41° | 60° | — | — |
| 2001 | 75° | 55° | 65° | 0.03" | — |
| 2000 | 65° | 53° | 59° | — | — |
| 1999 | 78° | 45° | 61° | — | — |
| 1998 | 67° | 40° | 53° | — | — |
| 1997 | 70° | 45° | 57° | — | — |
| 1996warmest | 100° | 51° | 76° | — | — |
| 1995 | 79° | 45° | 62° | — | — |
| 1994 | 75° | 63° | 69° | 0.13" | — |
| 1993 | 82° | 48° | 65° | — | — |
| 1992 | 67° | 50° | 58° | 0.64" | — |
| 1991 | 58° | 47° | 52° | 0.03" | — |
| 1990 | 64° | 45° | 54° | 2.67" | — |
| 1989 | 63° | 42° | 52° | — | — |
| 1988 | 76° | 37° | 56° | — | — |
| 1987 | 51° | 43° | 47° | — | — |
| 1986 | 65° | 43° | 54° | — | — |
| 1985 | 71° | 63° | 67° | 0.53" | — |
| 1984 | 64° | 32° | 48° | — | — |
| 1983 | 60° | 42° | 51° | — | — |
| 1982 | 83° | 52° | 67° | — | — |
| 1981 | 81° | 64° | 72° | 0.05" | — |
| 1980 | 85° | 49° | 67° | — | — |
| 1979 | 64° | 39° | 52° | — | — |
| 1978 | 57° | 30° | 44° | — | — |
| 1977 | 73° | 38° | 55° | — | — |
| 1976 | 63° | 45° | 54° | 0.08" | — |
| 1975 | 82° | 46° | 64° | — | — |
| 1974 | 71° | 43° | 57° | 0.03" | — |
| 1973 | 50° | 44° | 47° | 1.91" | — |
| 1972 | 81° | 60° | 70° | — | — |
| 1971 | 69° | 40° | 54° | 0.1" | — |
56 years of data from SAN ANTONIO INCARNATE WORD