Weather on December 23
Mcallen, TX
55 Years of Data
Avg High
71°F
Avg Low
50°F
Warmest
2025
78°F avg
Coldest
1989
24°F avg
About This Date
December 23rd in Mcallen, TX typically brings pleasant winter weather, with average highs around 71°F and lows near 50°F. Over 55 years of records, the warmest December 23rd was in 2025 (78°F average), while the coldest was 1989 (24°F) — a 54°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 23rd dates historically, with the wettest December 23rd recording 1.65" of rain. The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
Planning for December 23rd in Mcallen, TX? Great weather for outdoor activities.
Warming Trend
2.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 86° | 69° | 78° | — | — |
| 2024 | 74° | 65° | 69° | — | — |
| 2023 | 73° | 64° | 69° | 0.05" | — |
| 2022 | 74° | 30° | 52° | — | — |
| 2021 | 77° | 53° | 65° | — | — |
| 2020 | 79° | 62° | 70° | — | — |
| 2019 | 75° | 39° | 57° | — | — |
| 2018 | 86° | 54° | 70° | — | — |
| 2017 | 69° | 55° | 62° | — | — |
| 2016 | 84° | 65° | 74° | — | — |
| 2015 | 81° | 64° | 72° | — | — |
| 2014 | 80° | 59° | 70° | — | — |
| 2013 | 80° | 47° | 63° | — | — |
| 2012 | 75° | 55° | 65° | — | — |
| 2011 | 72° | 51° | 61° | — | — |
| 2010 | 82° | 63° | 72° | — | — |
| 2009 | 78° | 52° | 65° | — | — |
| 2008 | 47° | 37° | 42° | — | — |
| 2007 | 77° | 46° | 62° | — | — |
| 2006 | 74° | 52° | 63° | — | — |
| 2005 | 79° | 45° | 62° | — | — |
| 2004 | 85° | 38° | 61° | — | — |
| 2003 | 82° | 57° | 70° | — | — |
| 2002 | 81° | 70° | 75° | — | — |
| 2001 | 84° | 59° | 72° | — | — |
| 2000 | 49° | 46° | 47° | — | — |
| 1999 | 50° | 46° | 48° | 1.65" | — |
| 1998 | 41° | 34° | 37° | — | — |
| 1997 | 78° | 51° | 65° | — | — |
| 1996 | 81° | 58° | 69° | — | — |
| 1995 | 55° | 43° | 49° | — | — |
| 1994 | 73° | 51° | 62° | — | — |
| 1993 | 53° | 41° | 47° | — | — |
| 1992 | 67° | 58° | 62° | — | — |
| 1991 | 78° | 67° | 72° | — | — |
| 1990 | 42° | 32° | 37° | — | — |
| 1989coldest | 29° | 19° | 24° | — | — |
| 1988 | 87° | 66° | 77° | — | — |
| 1987 | 63° | 53° | 58° | — | — |
| 1986 | 75° | 43° | 59° | — | — |
| 1985 | 67° | 58° | 62° | — | — |
| 1984 | 79° | 58° | 68° | — | — |
| 1983 | 41° | 35° | 38° | 0.05" | — |
| 1982 | 83° | 62° | 72° | — | — |
| 1981 | 87° | 42° | 65° | 0.08" | — |
| 1980 | 54° | 45° | 49° | — | — |
| 1979 | 81° | 62° | 71° | — | — |
| 1978 | 75° | 42° | 59° | — | — |
| 1977 | 69° | 34° | 51° | — | — |
| 1976 | 49° | 44° | 46° | 0.23" | — |
| 1975 | 70° | 41° | 55° | — | — |
| 1974 | 83° | 62° | 72° | — | — |
| 1973 | 76° | 40° | 58° | — | — |
| 1972 | 74° | 42° | 58° | — | — |
| 1971 | 78° | 50° | 64° | — | — |
55 years of data from MCALLEN