Weather on December 9
Mcallen, TX
55 Years of Data
Avg High
75°F
Avg Low
54°F
Warmest
1994
80°F avg
Coldest
1978
42°F avg
About This Date
December 9th in Mcallen, TX typically brings pleasant winter weather, with average highs around 75°F and lows near 54°F. Over 55 years of records, the warmest December 9th was in 1994 (80°F average), while the coldest was 1978 (42°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 9th dates historically, with the wettest December 9th recording 2.44" 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 9th in Mcallen, TX? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 49° | 59° | — | — |
| 2024 | 88° | 65° | 76° | — | — |
| 2023 | 85° | 70° | 77° | — | — |
| 2022 | 86° | 69° | 78° | — | — |
| 2021 | 75° | 58° | 66° | — | — |
| 2020 | 73° | 40° | 56° | — | — |
| 2019 | 89° | 68° | 79° | — | — |
| 2018 | 68° | 45° | 56° | — | — |
| 2017 | 70° | 38° | 54° | — | — |
| 2016 | 58° | 42° | 50° | 0.51" | — |
| 2015 | 78° | 55° | 67° | — | — |
| 2014 | 64° | 61° | 62° | — | — |
| 2013 | 49° | 36° | 42° | — | — |
| 2012 | 85° | 70° | 77° | — | — |
| 2011 | 68° | 40° | 54° | — | — |
| 2010 | 61° | 40° | 50° | — | — |
| 2009 | 86° | 63° | 74° | — | — |
| 2008 | 83° | 65° | 74° | — | — |
| 2007 | 87° | 74° | 80° | — | — |
| 2006 | 52° | 40° | 46° | 0.25" | — |
| 2005 | 52° | 34° | 43° | — | — |
| 2004 | 86° | 59° | 73° | — | — |
| 2003 | 81° | 55° | 68° | — | — |
| 2002 | 72° | 61° | 66° | — | — |
| 2001 | 77° | 52° | 64° | — | — |
| 2000 | 74° | 44° | 59° | — | — |
| 1999 | 83° | 63° | 73° | — | — |
| 1998 | 65° | 55° | 60° | — | — |
| 1997 | 74° | 60° | 67° | — | — |
| 1996 | 73° | 49° | 61° | — | — |
| 1995 | 79° | 54° | 66° | — | — |
| 1994warmest | 86° | 73° | 80° | — | — |
| 1993 | 88° | 71° | 79° | — | — |
| 1992 | 66° | 55° | 61° | — | — |
| 1991 | 80° | 68° | 74° | — | — |
| 1990 | 69° | 37° | 53° | — | — |
| 1989 | 79° | 35° | 57° | — | — |
| 1988 | 78° | 42° | 60° | 0.36" | — |
| 1987 | 83° | 60° | 71° | — | — |
| 1986 | 83° | 66° | 74° | — | — |
| 1985 | 83° | 58° | 70° | — | — |
| 1984 | 74° | 57° | 65° | — | — |
| 1983 | 75° | 55° | 65° | — | — |
| 1982 | 79° | 60° | 69° | 2.44" | — |
| 1981 | 78° | 61° | 69° | — | — |
| 1980 | 82° | 52° | 67° | 0.15" | — |
| 1979 | 76° | 54° | 65° | — | — |
| 1978coldest | 49° | 35° | 42° | — | — |
| 1977 | 85° | 53° | 69° | — | — |
| 1976 | 65° | 35° | 50° | — | — |
| 1975 | 75° | 42° | 59° | — | — |
| 1974 | 62° | 46° | 54° | — | — |
| 1973 | 71° | 51° | 61° | — | — |
| 1972 | 65° | 44° | 54° | — | — |
| 1971 | 85° | 70° | 77° | — | — |
55 years of data from MCALLEN