Weather on August 9
Lewisville, TX
55 Years of Data
Avg High
96°F
Avg Low
75°F
Warmest
1999
95°F avg
Coldest
1989
71°F avg
About This Date
August 9th in Lewisville, TX typically brings hot summer weather, with average highs around 96°F and lows near 75°F. Over 55 years of records, the warmest August 9th was in 1999 (95°F average), while the coldest was 1989 (71°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 16% of August 9th dates historically, with the wettest August 9th recording 3.56" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for August 9th in Lewisville, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 79° | 89° | — | — |
| 2024 | 104° | 79° | 91° | — | — |
| 2023 | 101° | 83° | 92° | — | — |
| 2022 | 101° | 81° | 91° | — | — |
| 2021 | 95° | 77° | 86° | — | — |
| 2020 | 98° | 79° | 88° | — | — |
| 2019 | 97° | 80° | 88° | — | — |
| 2018 | 92° | 73° | 82° | 0.15" | — |
| 2017 | 89° | 70° | 79° | — | — |
| 2016 | 101° | 81° | 91° | — | — |
| 2015 | 102° | 81° | 91° | — | — |
| 2014 | 101° | 76° | 88° | 0.23" | — |
| 2013 | 101° | 82° | 91° | — | — |
| 2012 | 92° | 74° | 83° | 0.03" | — |
| 2011 | 105° | 84° | 95° | — | — |
| 2010 | 101° | 78° | 89° | — | — |
| 2009 | 96° | 80° | 88° | — | — |
| 2008 | 93° | 73° | 83° | 0.05" | — |
| 2007 | 96° | 76° | 86° | — | — |
| 2006 | 100° | 76° | 88° | — | — |
| 2005 | 91° | 74° | 82° | — | — |
| 2004 | 96° | 74° | 85° | — | — |
| 2003 | 87° | 71° | 79° | 0.76" | — |
| 2002 | 97° | 70° | 83° | — | — |
| 2001 | 101° | 80° | 90° | — | — |
| 2000 | 98° | 77° | 88° | — | — |
| 1999warmest | 107° | 82° | 95° | — | — |
| 1998 | 100° | 78° | 89° | — | — |
| 1997 | 88° | 65° | 76° | — | — |
| 1996 | 91° | 71° | 81° | 1.91" | — |
| 1995 | 92° | 74° | 83° | — | — |
| 1994 | 88° | 68° | 78° | — | — |
| 1993 | 100° | 73° | 87° | — | — |
| 1992 | 95° | 75° | 85° | — | — |
| 1991 | 90° | 77° | 83° | — | — |
| 1990 | 91° | 67° | 79° | — | — |
| 1989coldest | 82° | 59° | 71° | — | — |
| 1988 | 102° | 80° | 91° | — | — |
| 1987 | 99° | 79° | 89° | — | — |
| 1986 | 94° | 78° | 86° | — | — |
| 1985 | 102° | 70° | 86° | — | — |
| 1984 | 94° | 72° | 83° | — | — |
| 1983 | 94° | 72° | 83° | — | — |
| 1982 | 93° | 71° | 82° | 0.05" | — |
| 1981 | 93° | 63° | 78° | — | — |
| 1980 | 100° | 71° | 86° | — | — |
| 1979 | 92° | 69° | 80° | — | — |
| 1978 | 95° | 68° | 82° | — | — |
| 1977 | 94° | 78° | 86° | — | — |
| 1976 | 101° | 75° | 88° | — | — |
| 1975 | 95° | 69° | 82° | — | — |
| 1974 | 94° | 75° | 84° | 0.23" | — |
| 1973 | 92° | 74° | 83° | — | — |
| 1972 | 97° | 70° | 83° | 3.56" | — |
| 1971 | 93° | 68° | 81° | — | — |
55 years of data from DENTON 2 SE