Weather on July 18
Lewisville, TX
55 Years of Data
Avg High
96°F
Avg Low
75°F
Warmest
2006
94°F avg
Coldest
2014
66°F avg
About This Date
July 18th 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 July 18th was in 2006 (94°F average), while the coldest was 2014 (66°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 7% of July 18th dates historically, with the wettest July 18th recording 2.87" 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 July 18th in Lewisville, 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 | 94° | 76° | 85° | — | — |
| 2024 | 89° | 73° | 81° | — | — |
| 2023 | 106° | 76° | 91° | — | — |
| 2022 | 105° | 83° | 94° | — | — |
| 2021 | 93° | 79° | 86° | — | — |
| 2020 | 98° | 78° | 88° | — | — |
| 2019 | 95° | 78° | 87° | — | — |
| 2018 | 104° | 80° | 92° | — | — |
| 2017 | 93° | 77° | 85° | — | — |
| 2016 | 94° | 78° | 86° | — | — |
| 2015 | 97° | 78° | 87° | — | — |
| 2014coldest | 70° | 63° | 66° | 2.87" | — |
| 2013 | 91° | 70° | 80° | — | — |
| 2012 | 98° | 76° | 87° | — | — |
| 2011 | 101° | 82° | 91° | — | — |
| 2010 | 100° | 79° | 89° | — | — |
| 2009 | 93° | 72° | 82° | — | — |
| 2008 | 98° | 74° | 86° | — | — |
| 2007 | 94° | 73° | 83° | — | — |
| 2006warmest | 106° | 83° | 94° | — | — |
| 2005 | 93° | 77° | 85° | — | — |
| 2004 | 104° | 75° | 90° | — | — |
| 2003 | 101° | 78° | 89° | — | — |
| 2002 | 92° | 75° | 83° | — | — |
| 2001 | 99° | 81° | 90° | — | — |
| 2000 | 102° | 80° | 91° | — | — |
| 1999 | 97° | 75° | 86° | — | — |
| 1998 | 101° | 75° | 88° | — | — |
| 1997 | 95° | 76° | 85° | — | — |
| 1996 | 94° | 78° | 86° | — | — |
| 1995 | 96° | 72° | 84° | 0.41" | — |
| 1994 | 94° | 75° | 84° | — | — |
| 1993 | 97° | 76° | 86° | — | — |
| 1992 | 81° | 69° | 75° | 0.15" | — |
| 1991 | 99° | 70° | 84° | — | — |
| 1990 | 88° | 71° | 79° | — | — |
| 1989 | 95° | 77° | 86° | — | — |
| 1988 | 100° | 78° | 89° | — | — |
| 1987 | 94° | 74° | 84° | — | — |
| 1986 | 99° | 78° | 88° | — | — |
| 1985 | 96° | 73° | 85° | — | — |
| 1984 | 97° | 73° | 85° | — | — |
| 1983 | 92° | 71° | 81° | — | — |
| 1982 | 95° | 75° | 85° | — | — |
| 1981 | 95° | 76° | 85° | — | — |
| 1980 | 104° | 78° | 91° | — | — |
| 1979 | 83° | 71° | 77° | 0.15" | — |
| 1978 | 101° | 79° | 90° | — | — |
| 1977 | 94° | 71° | 82° | — | — |
| 1976 | 87° | 70° | 78° | — | — |
| 1975 | 92° | 78° | 85° | — | — |
| 1974 | 94° | 70° | 82° | — | — |
| 1973 | 90° | 74° | 82° | — | — |
| 1972 | 93° | 76° | 84° | — | — |
| 1971 | 102° | 78° | 90° | — | — |
55 years of data from DENTON 2 SE