Weather on December 23
San Antonio, TX
55 Years of Data
Avg High
64°F
Avg Low
41°F
Warmest
2025
73°F avg
Coldest
1989
18°F avg
About This Date
December 23rd in San Antonio, TX typically brings mild winter weather, with average highs around 64°F and lows near 41°F. Over 55 years of records, the warmest December 23rd was in 2025 (73°F average), while the coldest was 1989 (18°F) — a 55°F range across recorded history. Rain or other precipitation has occurred on about 22% of December 23rd dates historically, with the wettest December 23rd recording 0.66" of rain. The last decade has been 7.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.6°F warmer on this date compared to 20-30 years ago.
Planning for December 23rd in San Antonio, TX? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 80° | 67° | 73° | — | — |
| 2024 | 77° | 60° | 69° | — | — |
| 2023 | 70° | 62° | 66° | — | — |
| 2022 | 33° | 16° | 25° | — | — |
| 2021 | 74° | 41° | 57° | — | — |
| 2020 | 74° | 41° | 57° | — | — |
| 2019 | 71° | 35° | 53° | — | — |
| 2018 | 77° | 33° | 55° | — | — |
| 2017 | 76° | 42° | 59° | — | — |
| 2016 | 68° | 53° | 61° | 0.03" | — |
| 2015 | 83° | 55° | 69° | — | — |
| 2014 | 58° | 44° | 51° | — | — |
| 2013 | 62° | 32° | 47° | — | — |
| 2012 | 67° | 36° | 51° | — | — |
| 2011 | 71° | 40° | 55° | — | — |
| 2010 | 65° | 55° | 60° | 0.05" | — |
| 2009 | 70° | 57° | 63° | — | — |
| 2008 | 38° | 32° | 35° | 0.15" | — |
| 2007 | 70° | 27° | 48° | — | — |
| 2006 | 65° | 37° | 51° | — | — |
| 2005 | 65° | 33° | 49° | — | — |
| 2004 | 51° | 28° | 40° | — | — |
| 2003 | 76° | 49° | 62° | — | — |
| 2002 | 70° | 42° | 56° | 0.53" | — |
| 2001 | 76° | 37° | 56° | — | — |
| 2000 | 51° | 31° | 41° | 0.03" | — |
| 1999 | 53° | 36° | 44° | — | — |
| 1998 | 33° | 26° | 30° | — | — |
| 1997 | 68° | 42° | 55° | 0.25" | — |
| 1996 | 77° | 56° | 66° | — | — |
| 1995 | 48° | 33° | 41° | — | — |
| 1994 | 64° | 41° | 53° | — | — |
| 1993 | 51° | 24° | 38° | — | — |
| 1992 | 74° | 56° | 65° | 0.1" | — |
| 1991 | 64° | 47° | 55° | — | — |
| 1990 | 41° | 16° | 28° | — | — |
| 1989coldest | 30° | 6° | 18° | — | — |
| 1988 | 68° | 54° | 61° | — | — |
| 1987 | 70° | 49° | 59° | 0.05" | — |
| 1986 | 53° | 39° | 46° | 0.15" | — |
| 1985 | 72° | 42° | 57° | — | — |
| 1984 | 63° | 54° | 58° | 0.03" | — |
| 1983 | 37° | 16° | 26° | — | — |
| 1982 | 75° | 61° | 68° | — | — |
| 1981 | 57° | 37° | 47° | — | — |
| 1980 | 64° | 44° | 54° | — | — |
| 1979 | 69° | 50° | 60° | 0.66" | — |
| 1978 | 69° | 38° | 53° | — | — |
| 1977 | 67° | 46° | 56° | — | — |
| 1976 | 61° | 35° | 48° | — | — |
| 1975 | 57° | 33° | 45° | 0.05" | — |
| 1974 | 74° | 62° | 68° | — | — |
| 1973 | 70° | 41° | 55° | — | — |
| 1972 | 83° | 32° | 57° | — | — |
| 1971 | 63° | 45° | 54° | — | — |
55 years of data from SAN ANTONIO INCARNATE WORD