Weather on December 21
San Angelo, TX
55 Years of Data
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.
| 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° | — | — |
San Angelo, TX Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Angelo, TX Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Angelo, 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 Angelo, TX
San Angelo, TX has no months that meet our "pleasant" threshold — every season has tradeoffs.