Weather on December 31
Brownsville, TX
55 Years of Data
Avg High
73°F
Avg Low
54°F
Warmest
2021
78°F avg
Coldest
1990
43°F avg
About This Date
December 31st in Brownsville, TX typically brings pleasant winter weather, with average highs around 73°F and lows near 54°F. Over 55 years of records, the warmest December 31st was in 2021 (78°F average), while the coldest was 1990 (43°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 27% of December 31st dates historically, with the wettest December 31st recording 2.34" of rain. The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
Planning for December 31st in Brownsville, TX? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 43° | 56° | — | — |
| 2024 | 79° | 61° | 70° | — | — |
| 2023 | 78° | 49° | 63° | — | — |
| 2022 | 82° | 58° | 70° | — | — |
| 2021warmest | 84° | 72° | 78° | — | — |
| 2020 | 71° | 43° | 57° | 0.81" | — |
| 2019 | 71° | 60° | 66° | — | — |
| 2018 | 61° | 47° | 54° | 0.03" | — |
| 2017 | 68° | 50° | 59° | 0.03" | — |
| 2016 | 76° | 63° | 69° | — | — |
| 2015 | 56° | 52° | 54° | — | — |
| 2014 | 67° | 44° | 55° | 0.91" | — |
| 2013 | 47° | 43° | 45° | 0.94" | — |
| 2012 | 81° | 64° | 72° | — | — |
| 2011 | 83° | 65° | 74° | — | — |
| 2010 | 89° | 65° | 77° | — | — |
| 2009 | 78° | 46° | 62° | — | — |
| 2008 | 80° | 60° | 70° | — | — |
| 2007 | 80° | 46° | 63° | — | — |
| 2006 | 75° | 52° | 63° | — | — |
| 2005 | 82° | 59° | 71° | — | — |
| 2004 | 82° | 67° | 74° | — | — |
| 2003 | 76° | 52° | 64° | — | — |
| 2002 | 78° | 48° | 63° | — | — |
| 2001 | 58° | 44° | 51° | — | — |
| 2000 | 63° | 54° | 58° | 0.64" | — |
| 1999 | 82° | 55° | 69° | — | — |
| 1998 | 79° | 61° | 70° | — | — |
| 1997 | 75° | 50° | 63° | 0.48" | — |
| 1996 | 81° | 69° | 75° | — | — |
| 1995 | 76° | 59° | 67° | — | — |
| 1994 | 68° | 57° | 63° | 0.13" | — |
| 1993 | 61° | 49° | 55° | 2.34" | — |
| 1992 | 81° | 64° | 72° | — | — |
| 1991 | 67° | 64° | 65° | 0.13" | — |
| 1990coldest | 51° | 35° | 43° | — | — |
| 1989 | 65° | 49° | 57° | — | — |
| 1988 | 77° | 61° | 69° | — | — |
| 1987 | 73° | 59° | 66° | 0.1" | — |
| 1986 | 67° | 45° | 56° | 0.03" | — |
| 1985 | 89° | 60° | 75° | — | — |
| 1984 | 85° | 68° | 76° | 0.03" | — |
| 1983 | 65° | 31° | 48° | — | — |
| 1982 | 50° | 48° | 49° | 0.28" | — |
| 1981 | 69° | 51° | 60° | — | — |
| 1980 | 71° | 38° | 54° | — | — |
| 1979 | 67° | 43° | 55° | — | — |
| 1978 | 81° | 53° | 67° | — | — |
| 1977 | 79° | 66° | 72° | — | — |
| 1976 | 63° | 38° | 50° | — | — |
| 1975 | 73° | 37° | 55° | — | — |
| 1974 | 82° | 60° | 71° | — | — |
| 1973 | 78° | 49° | 63° | — | — |
| 1972 | 69° | 57° | 63° | 1.22" | — |
| 1971 | 84° | 67° | 75° | — | — |
55 years of data from WFO BROWNSVILLE