Weather on August 19
Lewisville, TX
55 Years of Data
Avg High
95°F
Avg Low
74°F
Warmest
2023
97°F avg
Coldest
1992
70°F avg
About This Date
August 19th in Lewisville, TX typically brings hot summer weather, with average highs around 95°F and lows near 74°F. Over 55 years of records, the warmest August 19th was in 2023 (97°F average), while the coldest was 1992 (70°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 20% of August 19th dates historically, with the wettest August 19th recording 6.22" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for August 19th in Lewisville, 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 | 102° | 77° | 90° | — | — |
| 2024 | 105° | 80° | 93° | — | — |
| 2023warmest | 110° | 84° | 97° | — | — |
| 2022 | 83° | 72° | 77° | 1.02" | — |
| 2021 | 80° | 73° | 77° | 6.22" | — |
| 2020 | 93° | 67° | 80° | — | — |
| 2019 | 99° | 80° | 89° | — | — |
| 2018 | 99° | 73° | 86° | 0.51" | — |
| 2017 | 85° | 75° | 80° | 0.13" | — |
| 2016 | 85° | 73° | 79° | 2.34" | — |
| 2015 | 99° | 78° | 88° | — | — |
| 2014 | 94° | 75° | 84° | — | — |
| 2013 | 92° | 66° | 79° | — | — |
| 2012 | 88° | 67° | 77° | 0.81" | — |
| 2011 | 106° | 82° | 94° | — | — |
| 2010 | 94° | 77° | 85° | — | — |
| 2009 | 95° | 76° | 85° | — | — |
| 2008 | 88° | 70° | 79° | 4.5" | — |
| 2007 | 97° | 77° | 87° | 1.5" | — |
| 2006 | 106° | 82° | 94° | — | — |
| 2005 | 98° | 78° | 88° | — | — |
| 2004 | 78° | 69° | 74° | 4.19" | — |
| 2003 | 100° | 79° | 89° | — | — |
| 2002 | 97° | 78° | 87° | — | — |
| 2001 | 98° | 71° | 85° | — | — |
| 2000 | 103° | 77° | 90° | — | — |
| 1999 | 107° | 79° | 93° | — | — |
| 1998 | 99° | 76° | 87° | — | — |
| 1997 | 90° | 78° | 84° | — | — |
| 1996 | 91° | 73° | 82° | — | — |
| 1995 | 98° | 72° | 85° | — | — |
| 1994 | 100° | 79° | 89° | — | — |
| 1993 | 100° | 73° | 87° | — | — |
| 1992coldest | 78° | 62° | 70° | 0.41" | — |
| 1991 | 95° | 69° | 82° | — | — |
| 1990 | 96° | 75° | 86° | — | — |
| 1989 | 92° | 73° | 82° | — | — |
| 1988 | 99° | 76° | 87° | — | — |
| 1987 | 100° | 77° | 89° | — | — |
| 1986 | 101° | 76° | 88° | — | — |
| 1985 | 103° | 74° | 88° | — | — |
| 1984 | 104° | 74° | 89° | — | — |
| 1983 | 82° | 68° | 75° | 4.88" | — |
| 1982 | 92° | 70° | 81° | — | — |
| 1981 | 88° | 68° | 78° | — | — |
| 1980 | 97° | 74° | 85° | — | — |
| 1979 | 94° | 72° | 83° | — | — |
| 1978 | 98° | 75° | 87° | — | — |
| 1977 | 87° | 72° | 79° | — | — |
| 1976 | 92° | 64° | 78° | — | — |
| 1975 | 89° | 73° | 81° | — | — |
| 1974 | 97° | 73° | 85° | — | — |
| 1973 | 93° | 70° | 81° | — | — |
| 1972 | 94° | 73° | 83° | — | — |
| 1971 | 90° | 68° | 79° | — | — |
55 years of data from DENTON 2 SE