Weather on December 21
San Angelo, TX
55 Years of Data
Avg High
62°F
Avg Low
32°F
Warmest
2010
65°F avg
Coldest
1980
27°F avg
About This Date
December 21st in San Angelo, TX typically brings mild winter weather, with average highs around 62°F and lows near 32°F — a 30°F daily swing. Over 55 years of records, the warmest December 21st was in 2010 (65°F average), while the coldest was 1980 (27°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 21st dates historically, with the wettest December 21st recording 1.24" of rain. The last decade has been 7.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.2°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in San Angelo, TX? Great weather for outdoor activities.
Warming Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 35° | 49° | — | — |
| 2024 | 70° | 31° | 51° | — | — |
| 2023 | 68° | 51° | 60° | 0.15" | — |
| 2022 | 51° | 40° | 45° | — | — |
| 2021 | 75° | 29° | 52° | — | — |
| 2020 | 73° | 29° | 51° | — | — |
| 2019 | 66° | 28° | 47° | — | — |
| 2018 | 68° | 28° | 48° | — | — |
| 2017 | 80° | 49° | 64° | — | — |
| 2016 | 75° | 33° | 54° | — | — |
| 2015 | 75° | 40° | 57° | — | — |
| 2014 | 63° | 48° | 55° | — | — |
| 2013 | 63° | 38° | 50° | 0.84" | — |
| 2012 | 63° | 19° | 41° | — | — |
| 2011 | 62° | 26° | 44° | — | — |
| 2010warmest | 86° | 44° | 65° | — | — |
| 2009 | 72° | 40° | 56° | — | — |
| 2008 | 43° | 26° | 34° | — | — |
| 2007 | 78° | 34° | 56° | — | — |
| 2006 | 59° | 28° | 44° | — | — |
| 2005 | 61° | 32° | 46° | — | — |
| 2004 | 57° | 37° | 47° | — | — |
| 2003 | 72° | 47° | 59° | — | — |
| 2002 | 66° | 32° | 49° | — | — |
| 2001 | 66° | 27° | 46° | — | — |
| 2000 | 69° | 20° | 44° | — | — |
| 1999 | 43° | 24° | 33° | — | — |
| 1998 | 65° | 37° | 51° | — | — |
| 1997 | 44° | 31° | 37° | 1.24" | — |
| 1996 | 52° | 23° | 37° | — | — |
| 1995 | 42° | 27° | 34° | — | — |
| 1994 | 63° | 30° | 46° | — | — |
| 1993 | 49° | 23° | 36° | — | — |
| 1992 | 46° | 34° | 40° | — | — |
| 1991 | 57° | 39° | 48° | 0.46" | — |
| 1990 | 74° | 22° | 48° | — | — |
| 1989 | 61° | 19° | 40° | — | — |
| 1988 | 61° | 26° | 43° | — | — |
| 1987 | 53° | 30° | 42° | — | — |
| 1986 | 55° | 47° | 51° | 0.1" | — |
| 1985 | 61° | 28° | 44° | — | — |
| 1984 | 70° | 53° | 61° | — | — |
| 1983 | 42° | 20° | 31° | — | — |
| 1982 | 75° | 41° | 58° | — | — |
| 1981 | 69° | 45° | 57° | — | — |
| 1980coldest | 30° | 25° | 27° | — | — |
| 1979 | 73° | 41° | 57° | — | — |
| 1978 | 67° | 27° | 47° | — | — |
| 1977 | 50° | 20° | 35° | — | — |
| 1976 | 56° | 19° | 37° | — | — |
| 1975 | 60° | 26° | 43° | — | — |
| 1974 | 60° | 32° | 46° | — | — |
| 1973 | 44° | 16° | 30° | — | — |
| 1972 | 67° | 37° | 52° | — | — |
| 1971 | 70° | 40° | 55° | — | — |
55 years of data from SAN ANGELO DAM