Weather on May 21
Brownsville, TX
55 Years of Data
Avg High
89°F
Avg Low
73°F
Warmest
2011
88°F avg
Coldest
1986
72°F avg
About This Date
May 21st in Brownsville, TX typically brings warm spring weather, with average highs around 89°F and lows near 73°F. Over 55 years of records, the warmest May 21st was in 2011 (88°F average), while the coldest was 1986 (72°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 20% of May 21st dates historically, with the wettest May 21st recording 8.13" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for May 21st in Brownsville, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 80° | 85° | — | — |
| 2024 | 94° | 82° | 88° | — | — |
| 2023 | 87° | 73° | 80° | 0.2" | — |
| 2022 | 95° | 78° | 87° | — | — |
| 2021 | 86° | 72° | 79° | — | — |
| 2020 | 91° | 77° | 84° | 0.28" | — |
| 2019 | 94° | 81° | 87° | — | — |
| 2018 | 92° | 70° | 81° | 0.84" | — |
| 2017 | 92° | 78° | 85° | — | — |
| 2016 | 90° | 78° | 84° | 0.03" | — |
| 2015 | 87° | 74° | 80° | 0.2" | — |
| 2014 | 87° | 74° | 80° | — | — |
| 2013 | 90° | 78° | 84° | — | — |
| 2012 | 92° | 69° | 80° | — | — |
| 2011warmest | 95° | 81° | 88° | — | — |
| 2010 | 91° | 78° | 85° | — | — |
| 2009 | 86° | 61° | 73° | — | — |
| 2008 | 89° | 75° | 82° | — | — |
| 2007 | 87° | 67° | 77° | — | — |
| 2006 | 90° | 70° | 80° | — | — |
| 2005 | 94° | 70° | 82° | — | — |
| 2004 | 88° | 75° | 81° | — | — |
| 2003 | 88° | 72° | 80° | — | — |
| 2002 | 86° | 64° | 75° | — | — |
| 2001 | 94° | 78° | 86° | 0.23" | — |
| 2000 | 89° | 68° | 79° | — | — |
| 1999 | 90° | 74° | 82° | — | — |
| 1998 | 89° | 70° | 79° | — | — |
| 1997 | 87° | 70° | 78° | — | — |
| 1996 | 92° | 75° | 83° | — | — |
| 1995 | 86° | 69° | 78° | — | — |
| 1994 | 87° | 64° | 76° | — | — |
| 1993 | 87° | 66° | 77° | — | — |
| 1992 | 86° | 73° | 80° | 0.03" | — |
| 1991 | 88° | 72° | 80° | — | — |
| 1990 | 95° | 77° | 86° | — | — |
| 1989 | 90° | 76° | 83° | — | — |
| 1988 | 90° | 72° | 81° | — | — |
| 1987 | 88° | 76° | 82° | — | — |
| 1986coldest | 85° | 60° | 72° | — | — |
| 1985 | 85° | 67° | 76° | 8.13" | — |
| 1984 | 91° | 76° | 83° | — | — |
| 1983 | 92° | 76° | 84° | — | — |
| 1982 | 85° | 75° | 80° | 0.08" | — |
| 1981 | 87° | 73° | 80° | — | — |
| 1980 | 92° | 75° | 83° | — | — |
| 1979 | 86° | 76° | 81° | — | — |
| 1978 | 93° | 76° | 84° | — | — |
| 1977 | 84° | 78° | 81° | 0.53" | — |
| 1976 | 81° | 65° | 73° | 1.73" | — |
| 1975 | 93° | 80° | 87° | — | — |
| 1974 | 92° | 69° | 80° | — | — |
| 1973 | 88° | 70° | 79° | — | — |
| 1972 | 86° | 67° | 76° | — | — |
| 1971 | 90° | 75° | 82° | — | — |
55 years of data from WFO BROWNSVILLE