Weather on December 31
Mcallen, TX
55 Years of Data
Avg High
73°F
Avg Low
51°F
Warmest
2021
77°F avg
Coldest
1983
34°F avg
About This Date
December 31st in Mcallen, TX typically brings pleasant winter weather, with average highs around 73°F and lows near 51°F. Over 55 years of records, the warmest December 31st was in 2021 (77°F average), while the coldest was 1983 (34°F) — a 43°F range across recorded history. Rain or other precipitation has occurred on about 20% of December 31st dates historically, with the wettest December 31st recording 3.25" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for December 31st in Mcallen, TX? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 50° | 55° | — | — |
| 2024 | 93° | 58° | 75° | — | — |
| 2023 | 80° | 50° | 65° | — | — |
| 2022 | 81° | 56° | 68° | — | — |
| 2021warmest | 84° | 69° | 77° | — | — |
| 2020 | 82° | 46° | 64° | 0.28" | — |
| 2019 | 69° | 59° | 64° | — | — |
| 2018 | 63° | 51° | 57° | — | — |
| 2017 | 64° | 45° | 54° | 0.3" | — |
| 2016 | 72° | 55° | 63° | — | — |
| 2015 | 56° | 49° | 52° | 0.28" | — |
| 2014 | 72° | 50° | 61° | 0.91" | — |
| 2013 | 69° | 43° | 56° | 3.25" | — |
| 2012 | 68° | 43° | 55° | — | — |
| 2011 | 84° | 51° | 68° | — | — |
| 2010 | 83° | 62° | 72° | — | — |
| 2009 | 68° | 46° | 57° | — | — |
| 2008 | 72° | 54° | 63° | — | — |
| 2007 | 76° | 51° | 63° | — | — |
| 2006 | 63° | 47° | 55° | — | — |
| 2005 | 81° | 62° | 71° | — | — |
| 2004 | 79° | 55° | 67° | — | — |
| 2003 | 71° | 36° | 53° | — | — |
| 2002 | 84° | 56° | 70° | — | — |
| 2001 | 81° | 42° | 61° | 0.1" | — |
| 2000 | 63° | 38° | 50° | — | — |
| 1999 | 80° | 52° | 66° | — | — |
| 1998 | 76° | 46° | 61° | — | — |
| 1997 | 76° | 34° | 55° | — | — |
| 1996 | 82° | 60° | 71° | — | — |
| 1995 | 69° | 55° | 62° | — | — |
| 1994 | 68° | 47° | 57° | — | — |
| 1993 | 56° | 47° | 51° | 0.36" | — |
| 1992 | 83° | 66° | 74° | — | — |
| 1991 | 64° | 42° | 53° | 1.73" | — |
| 1990 | 86° | 35° | 61° | 0.66" | — |
| 1989 | 76° | 52° | 64° | — | — |
| 1988 | 82° | 59° | 71° | — | — |
| 1987 | 68° | 43° | 55° | — | — |
| 1986 | 55° | 42° | 49° | 0.05" | — |
| 1985 | 77° | 59° | 68° | — | — |
| 1984 | 78° | 65° | 71° | — | — |
| 1983coldest | 47° | 22° | 34° | — | — |
| 1982 | 45° | 44° | 44° | 0.69" | — |
| 1981 | 71° | 50° | 61° | — | — |
| 1980 | — | 42° | — | — | — |
| 1979 | 60° | 48° | 54° | — | — |
| 1978 | 69° | 60° | 65° | — | — |
| 1977 | 69° | 60° | 65° | — | — |
| 1976 | 70° | 42° | 56° | — | — |
| 1975 | 60° | 37° | 49° | — | — |
| 1974 | 82° | 69° | 76° | — | — |
| 1973 | 87° | 65° | 76° | — | — |
| 1972 | 76° | 52° | 64° | — | — |
| 1971 | 85° | 65° | 75° | — | — |
55 years of data from MCALLEN