Weather on December 18
Brownsville, TX
55 Years of Data
Avg High
72°F
Avg Low
51°F
Warmest
2002
75°F avg
Coldest
1996
40°F avg
About This Date
December 18th in Brownsville, TX typically brings pleasant winter weather, with average highs around 72°F and lows near 51°F. Over 55 years of records, the warmest December 18th was in 2002 (75°F average), while the coldest was 1996 (40°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 31% of December 18th dates historically, with the wettest December 18th recording 1.4" of rain. The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Brownsville, TX? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 58° | 71° | 0.03" | — |
| 2024 | 82° | 64° | 73° | — | — |
| 2023 | 75° | 43° | 59° | — | — |
| 2022 | 66° | 51° | 59° | 0.38" | — |
| 2021 | 83° | 65° | 74° | 0.03" | — |
| 2020 | 74° | 52° | 63° | 0.03" | — |
| 2019 | 63° | 43° | 53° | — | — |
| 2018 | 72° | 50° | 61° | — | — |
| 2017 | 80° | 61° | 70° | — | — |
| 2016 | 73° | 40° | 56° | — | — |
| 2015 | 69° | 48° | 59° | — | — |
| 2014 | 80° | 69° | 75° | — | — |
| 2013 | 78° | 49° | 63° | — | — |
| 2012 | 85° | 49° | 67° | — | — |
| 2011 | 70° | 53° | 61° | 0.36" | — |
| 2010 | 70° | 48° | 59° | — | — |
| 2009 | 56° | 48° | 52° | — | — |
| 2008 | 79° | 60° | 69° | 0.23" | — |
| 2007 | 74° | 61° | 67° | 0.03" | — |
| 2006 | 82° | 64° | 73° | — | — |
| 2005 | 65° | 50° | 57° | — | — |
| 2004 | 70° | 50° | 60° | — | — |
| 2003 | 71° | 37° | 54° | — | — |
| 2002warmest | 80° | 69° | 75° | — | — |
| 2001 | 75° | 45° | 60° | — | — |
| 2000 | 79° | 53° | 66° | — | — |
| 1999 | 73° | 46° | 60° | — | — |
| 1998 | 75° | 51° | 63° | — | — |
| 1997 | 76° | 42° | 59° | — | — |
| 1996coldest | 46° | 33° | 40° | — | — |
| 1995 | 77° | 55° | 66° | — | — |
| 1994 | 65° | 56° | 60° | 0.38" | — |
| 1993 | 73° | 63° | 68° | 0.94" | — |
| 1992 | 77° | 51° | 64° | — | — |
| 1991 | 66° | 57° | 62° | 0.13" | — |
| 1990 | 76° | 51° | 63° | 0.05" | — |
| 1989 | 52° | 38° | 45° | — | — |
| 1988 | 72° | 40° | 56° | — | — |
| 1987 | 75° | 58° | 66° | — | — |
| 1986 | 73° | 55° | 64° | 0.03" | — |
| 1985 | 58° | 49° | 53° | 0.18" | — |
| 1984 | 83° | 66° | 74° | — | — |
| 1983 | 66° | 40° | 53° | 0.13" | — |
| 1982 | 78° | 55° | 67° | — | — |
| 1981 | 56° | 36° | 46° | — | — |
| 1980 | 79° | 53° | 66° | — | — |
| 1979 | 61° | 33° | 47° | — | — |
| 1978 | 68° | 52° | 60° | — | — |
| 1977 | 83° | 44° | 63° | — | — |
| 1976 | 76° | 61° | 68° | 0.05" | — |
| 1975 | 62° | 40° | 51° | 1.4" | — |
| 1974 | 77° | 49° | 63° | — | — |
| 1973 | 78° | 57° | 68° | — | — |
| 1972 | 71° | 53° | 62° | 0.05" | — |
| 1971 | 65° | 53° | 59° | — | — |
55 years of data from WFO BROWNSVILLE