Weather on August 9
Allen, TX
55 Years of Data
Avg High
97°F
Avg Low
73°F
Warmest
2011
95°F avg
Coldest
1989
70°F avg
About This Date
August 9th in Allen, TX typically brings hot summer weather, with average highs around 97°F and lows near 73°F. Over 55 years of records, the warmest August 9th was in 2011 (95°F average), while the coldest was 1989 (70°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 5% of August 9th dates historically, with the wettest August 9th recording 2.31" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 9th in Allen, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 98° | 77° | 88° | — | — |
| 2024 | 91° | 76° | 83° | 0.13" | — |
| 2023 | 104° | 82° | 93° | — | — |
| 2022 | 98° | 75° | 87° | — | — |
| 2021 | 98° | 79° | 88° | — | — |
| 2020 | 97° | 76° | 86° | — | — |
| 2019 | 99° | 78° | 88° | — | — |
| 2018 | 95° | 72° | 83° | 2.31" | — |
| 2017 | 90° | 71° | 80° | — | — |
| 2016 | 99° | 78° | 88° | — | — |
| 2015 | 103° | 77° | 90° | — | — |
| 2014 | 100° | 75° | 88° | — | — |
| 2013 | 103° | 78° | 90° | — | — |
| 2012 | 107° | 72° | 89° | — | — |
| 2011warmest | 107° | 83° | 95° | — | — |
| 2010 | 99° | 77° | 88° | — | — |
| 2009 | 94° | 78° | 86° | — | — |
| 2008 | 101° | 74° | 87° | — | — |
| 2007 | 94° | 70° | 82° | — | — |
| 2006 | 101° | 76° | 88° | — | — |
| 2005 | 89° | 72° | 80° | — | — |
| 2004 | 94° | 70° | 82° | — | — |
| 2003 | 103° | 76° | 89° | — | — |
| 2002 | 96° | 66° | 81° | — | — |
| 2001 | 101° | 80° | 90° | — | — |
| 2000 | 98° | 76° | 87° | — | — |
| 1999 | 104° | 78° | 91° | — | — |
| 1998 | 103° | 76° | 89° | — | — |
| 1997 | 87° | — | — | — | — |
| 1996 | 88° | 74° | 81° | — | — |
| 1995 | 95° | 74° | 84° | — | — |
| 1994 | 87° | 65° | 76° | — | — |
| 1993 | 97° | 72° | 84° | — | — |
| 1992 | 95° | 75° | 85° | — | — |
| 1991 | 98° | 75° | 87° | — | — |
| 1990 | 87° | 62° | 75° | — | — |
| 1989coldest | 82° | 58° | 70° | — | — |
| 1988 | 103° | 78° | 90° | — | — |
| 1987 | 100° | 79° | 89° | — | — |
| 1986 | 98° | 76° | 87° | — | — |
| 1985 | 100° | 76° | 88° | — | — |
| 1984 | 95° | 75° | 85° | — | — |
| 1983 | 97° | 73° | 85° | — | — |
| 1982 | 95° | 70° | 82° | — | — |
| 1981 | 95° | 62° | 79° | — | — |
| 1980 | 101° | 70° | 85° | — | — |
| 1979 | 90° | 67° | 78° | — | — |
| 1978 | 95° | 67° | 81° | — | — |
| 1977 | 98° | 76° | 87° | — | — |
| 1976 | 99° | 74° | 86° | — | — |
| 1975 | 96° | 68° | 82° | — | — |
| 1974 | 95° | 71° | 83° | 0.36" | — |
| 1973 | 94° | 70° | 82° | — | — |
| 1972 | 100° | 70° | 85° | — | — |
| 1971 | 93° | 68° | 81° | — | — |
55 years of data from MCKINNEY MUNI AP