Weather on March 31
Brownsville, TX
55 Years of Data
Avg High
81°F
Avg Low
62°F
Warmest
2016
83°F avg
Coldest
1987
54°F avg
About This Date
March 31st in Brownsville, TX typically brings warm spring weather, with average highs around 81°F and lows near 62°F. Over 56 years of records, the warmest March 31st was in 2016 (83°F average), while the coldest was 1987 (54°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 11% of March 31st dates historically, with the wettest March 31st recording 3.38" of rain. The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
Planning for March 31st in Brownsville, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 85° | 71° | 78° | — | — |
| 2025 | 87° | 75° | 81° | — | — |
| 2024 | 85° | 69° | 77° | — | — |
| 2023 | 87° | 72° | 79° | — | — |
| 2022 | 80° | 56° | 68° | — | — |
| 2021 | 88° | 68° | 78° | — | — |
| 2020 | 93° | 70° | 81° | — | — |
| 2019 | 68° | 48° | 58° | 1.07" | — |
| 2018 | 85° | 57° | 71° | — | — |
| 2017 | 87° | 59° | 73° | — | — |
| 2016warmest | 91° | 75° | 83° | — | — |
| 2015 | 81° | 68° | 74° | — | — |
| 2014 | 83° | 65° | 74° | — | — |
| 2013 | 86° | 67° | 76° | — | — |
| 2012 | 88° | 69° | 78° | — | — |
| 2011 | 82° | 62° | 72° | — | — |
| 2010 | 82° | 60° | 71° | — | — |
| 2009 | 83° | 60° | 71° | — | — |
| 2008 | 86° | 73° | 80° | — | — |
| 2007 | 80° | 70° | 75° | 0.3" | — |
| 2006 | 87° | 72° | 79° | — | — |
| 2005 | 90° | 67° | 78° | — | — |
| 2004 | 84° | 56° | 70° | — | — |
| 2003 | 75° | 44° | 60° | — | — |
| 2002 | 87° | 61° | 74° | — | — |
| 2001 | 85° | 61° | 73° | — | — |
| 2000 | 84° | 69° | 77° | — | — |
| 1999 | 77° | 55° | 66° | — | — |
| 1998 | 80° | 53° | 67° | — | — |
| 1997 | 70° | 60° | 65° | 3.38" | — |
| 1996 | 75° | 62° | 69° | — | — |
| 1995 | 64° | 57° | 61° | 0.1" | — |
| 1994 | 74° | 51° | 62° | — | — |
| 1993 | 80° | 56° | 68° | — | — |
| 1992 | 77° | 57° | 67° | — | — |
| 1991 | 74° | 57° | 65° | — | — |
| 1990 | 72° | 69° | 70° | 0.03" | — |
| 1989 | 75° | 56° | 65° | — | — |
| 1988 | 83° | 63° | 73° | — | — |
| 1987coldest | 75° | 34° | 54° | — | — |
| 1986 | 82° | 65° | 73° | — | — |
| 1985 | 76° | 58° | 67° | — | — |
| 1984 | 80° | 60° | 70° | — | — |
| 1983 | 88° | 54° | 71° | — | — |
| 1982 | 90° | 73° | 81° | — | — |
| 1981 | 88° | 72° | 80° | — | — |
| 1980 | 80° | 54° | 67° | — | — |
| 1979 | 84° | 71° | 78° | — | — |
| 1978 | 81° | 54° | 67° | — | — |
| 1977 | 75° | 68° | 72° | 0.13" | — |
| 1976 | 73° | 53° | 63° | — | — |
| 1975 | 70° | 52° | 61° | — | — |
| 1974 | 88° | 73° | 80° | — | — |
| 1973 | 85° | 53° | 69° | — | — |
| 1972 | 72° | 52° | 62° | — | — |
| 1971 | 84° | 66° | 75° | — | — |
56 years of data from WFO BROWNSVILLE