Weather on May 18
Brownsville, TX
55 Years of Data
Avg High
88°F
Avg Low
72°F
Warmest
1978
86°F avg
Coldest
1976
73°F avg
About This Date
May 18th in Brownsville, TX typically brings warm spring weather, with average highs around 88°F and lows near 72°F. Over 55 years of records, the warmest May 18th was in 1978 (86°F average), while the coldest was 1976 (73°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 22% of May 18th dates historically, with the wettest May 18th recording 6.99" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in Brownsville, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 78° | 84° | — | — |
| 2024 | 94° | 76° | 85° | — | — |
| 2023 | 87° | 70° | 78° | — | — |
| 2022 | 89° | 75° | 82° | — | — |
| 2021 | 87° | 75° | 81° | — | — |
| 2020 | 92° | 72° | 82° | — | — |
| 2019 | 92° | 81° | 86° | — | — |
| 2018 | 93° | 75° | 84° | — | — |
| 2017 | 88° | 78° | 83° | — | — |
| 2016 | 88° | 76° | 82° | 0.05" | — |
| 2015 | 91° | 77° | 84° | — | — |
| 2014 | 84° | 69° | 77° | — | — |
| 2013 | 93° | 76° | 84° | — | — |
| 2012 | 91° | 67° | 79° | — | — |
| 2011 | 88° | 78° | 83° | — | — |
| 2010 | 88° | 68° | 78° | 3.35" | — |
| 2009 | 84° | 64° | 74° | — | — |
| 2008 | 88° | 66° | 77° | — | — |
| 2007 | 83° | 69° | 76° | — | — |
| 2006 | 93° | 67° | 80° | — | — |
| 2005 | 89° | 71° | 80° | — | — |
| 2004 | 89° | 75° | 82° | — | — |
| 2003 | 92° | 75° | 83° | — | — |
| 2002 | 81° | 66° | 73° | 0.3" | — |
| 2001 | 91° | 74° | 82° | — | — |
| 2000 | 91° | 77° | 84° | — | — |
| 1999 | 81° | 68° | 74° | 6.99" | — |
| 1998 | 90° | 70° | 80° | — | — |
| 1997 | 86° | 69° | 78° | — | — |
| 1996 | 90° | 76° | 83° | — | — |
| 1995 | 89° | 79° | 84° | 0.15" | — |
| 1994 | 89° | 71° | 80° | — | — |
| 1993 | 83° | 65° | 74° | 0.58" | — |
| 1992 | 86° | 68° | 77° | — | — |
| 1991 | 88° | 69° | 78° | — | — |
| 1990 | 89° | 79° | 84° | — | — |
| 1989 | 91° | 79° | 85° | 0.03" | — |
| 1988 | 86° | 68° | 77° | — | — |
| 1987 | 87° | 75° | 81° | — | — |
| 1986 | 80° | 66° | 73° | 2.64" | — |
| 1985 | 87° | 66° | 77° | 2.44" | — |
| 1984 | 84° | 69° | 77° | 6.6" | — |
| 1983 | 87° | 76° | 81° | — | — |
| 1982 | 87° | 69° | 78° | 3.71" | — |
| 1981 | 93° | 77° | 85° | — | — |
| 1980 | 91° | 78° | 85° | — | — |
| 1979 | 85° | 65° | 75° | — | — |
| 1978warmest | 93° | 79° | 86° | — | — |
| 1977 | 87° | 77° | 82° | — | — |
| 1976coldest | 80° | 67° | 73° | — | — |
| 1975 | 88° | 73° | 80° | — | — |
| 1974 | 89° | 77° | 83° | — | — |
| 1973 | 88° | 64° | 76° | — | — |
| 1972 | 85° | 71° | 78° | 0.08" | — |
| 1971 | 87° | 73° | 80° | — | — |
55 years of data from WFO BROWNSVILLE