Weather on August 31
Mcallen, TX
55 Years of Data
Avg High
96°F
Avg Low
76°F
Warmest
2012
93°F avg
Coldest
2004
78°F avg
About This Date
August 31st in Mcallen, TX typically brings hot summer weather, with average highs around 96°F and lows near 76°F. Over 55 years of records, the warmest August 31st was in 2012 (93°F average), while the coldest was 2004 (78°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 20% of August 31st dates historically, with the wettest August 31st recording 3" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for August 31st in Mcallen, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 100° | 80° | 90° | — | — |
| 2024 | 99° | 80° | 89° | — | — |
| 2023 | 100° | 73° | 87° | — | — |
| 2022 | 99° | 81° | 90° | — | — |
| 2021 | 99° | 75° | 87° | — | — |
| 2020 | 101° | 82° | 91° | — | — |
| 2019 | 102° | 78° | 90° | — | — |
| 2018 | 101° | 80° | 90° | — | — |
| 2017 | 102° | 79° | 90° | — | — |
| 2016 | 91° | 77° | 84° | — | — |
| 2015 | 97° | 76° | 86° | — | — |
| 2014 | 93° | 76° | 84° | 0.66" | — |
| 2013 | 100° | 76° | 88° | — | — |
| 2012warmest | 106° | 80° | 93° | — | — |
| 2011 | 102° | 78° | 90° | — | — |
| 2010 | 98° | 79° | 88° | — | — |
| 2009 | 100° | 77° | 89° | — | — |
| 2008 | 94° | 77° | 85° | — | — |
| 2007 | 93° | 76° | 84° | — | — |
| 2006 | 102° | 77° | 90° | — | — |
| 2005 | 103° | 77° | 90° | 0.38" | — |
| 2004coldest | 93° | 62° | 78° | 2.92" | — |
| 2003 | 100° | 79° | 89° | — | — |
| 2002 | 97° | 76° | 86° | — | — |
| 2001 | 90° | 77° | 83° | — | — |
| 2000 | 99° | 76° | 87° | — | — |
| 1999 | 97° | 76° | 86° | — | — |
| 1998 | 85° | 76° | 80° | 0.15" | — |
| 1997 | 96° | 75° | 86° | — | — |
| 1996 | 97° | 76° | 86° | 1.14" | — |
| 1995 | 95° | 78° | 87° | — | — |
| 1994 | 92° | 75° | 83° | 0.94" | — |
| 1993 | 96° | 77° | 87° | — | — |
| 1992 | 97° | 77° | 87° | — | — |
| 1991 | 99° | 76° | 87° | — | — |
| 1990 | 98° | 78° | 88° | — | — |
| 1989 | 98° | 76° | 87° | — | — |
| 1988 | 90° | 75° | 82° | — | — |
| 1987 | 92° | 76° | 84° | 0.1" | — |
| 1986 | 94° | 74° | 84° | — | — |
| 1985 | 87° | 75° | 81° | — | — |
| 1984 | 101° | 76° | 88° | — | — |
| 1983 | 98° | 74° | 86° | — | — |
| 1982 | 96° | 75° | 86° | — | — |
| 1981 | 94° | 80° | 87° | — | — |
| 1980 | 97° | — | — | — | — |
| 1979 | 92° | 73° | 82° | — | — |
| 1978 | 87° | 77° | 82° | 0.33" | — |
| 1977 | — | 76° | — | 3" | — |
| 1976 | 88° | 71° | 79° | — | — |
| 1975 | 89° | 72° | 80° | 0.43" | — |
| 1974 | 96° | 74° | 85° | — | — |
| 1973 | 94° | 72° | 83° | — | — |
| 1972 | 98° | 72° | 85° | — | — |
| 1971 | 93° | 72° | 82° | 0.48" | — |
55 years of data from MCALLEN