Weather on August 18
Dallas, TX
55 Years of Data
About This Date
August 18th in Dallas, TX typically brings hot summer weather, with average highs around 96°F and lows near 77°F. Over 56 years of records, the warmest August 18th was in 2011 (96°F average), while the coldest was 1981 (74°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 18th dates historically, with the wettest August 18th recording 1.33" 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 18th in Dallas, TX? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 105° | 83° | 94° | — | — |
| 2025 | 101° | 81° | 91° | — | — |
| 2024 | 105° | 83° | 94° | — | — |
| 2023 | 110° | 83° | 96° | — | — |
| 2022 | 87° | 75° | 81° | — | — |
| 2021 | 82° | 73° | 78° | 0.25" | — |
| 2020 | 97° | 77° | 87° | — | — |
| 2019 | 100° | 81° | 90° | — | — |
| 2018 | 103° | 76° | 89° | 0.36" | — |
| 2017 | 94° | 78° | 86° | 0.01" | — |
| 2016 | 89° | 75° | 82° | 0.35" | — |
| 2015 | 100° | 79° | 89° | — | — |
| 2014 | 90° | 75° | 82° | — | — |
| 2013 | 92° | 70° | 81° | — | — |
| 2012 | 87° | 69° | 78° | 1.33" | — |
| 2011warmest | 107° | 84° | 96° | — | — |
| 2010 | 97° | 82° | 89° | — | — |
| 2009 | 96° | 79° | 87° | — | — |
| 2008 | 80° | 73° | 77° | 0.22" | — |
| 2007 | 91° | 76° | 83° | — | — |
| 2006 | 104° | 84° | 94° | — | — |
| 2005 | 99° | 80° | 89° | — | — |
| 2004 | 93° | 71° | 82° | — | — |
| 2003 | 102° | 81° | 91° | — | — |
| 2002 | 99° | 78° | 88° | — | — |
| 2001 | 95° | 76° | 85° | — | — |
| 2000 | 104° | 85° | 94° | — | — |
| 1999 | 101° | 81° | 91° | — | — |
| 1998 | 93° | 77° | 85° | — | — |
| 1997 | 98° | 81° | 89° | — | — |
| 1996 | 92° | 75° | 83° | — | — |
| 1995 | 100° | 78° | 89° | — | — |
| 1994 | 102° | 78° | 90° | — | — |
| 1993 | 101° | 82° | 91° | — | — |
| 1992 | 82° | 66° | 74° | 0.09" | — |
| 1991 | 98° | 77° | 88° | — | — |
| 1990 | 98° | 79° | 88° | — | — |
| 1989 | 93° | 71° | 82° | — | — |
| 1988 | 98° | 77° | 88° | — | — |
| 1987 | 103° | 79° | 91° | — | — |
| 1986 | 101° | 81° | 91° | — | — |
| 1985 | 103° | 82° | 92° | — | — |
| 1984 | 104° | 76° | 90° | — | — |
| 1983 | 90° | 71° | 80° | 0.59" | — |
| 1982 | 94° | 79° | 86° | — | — |
| 1981coldest | 77° | 71° | 74° | 0.01" | — |
| 1980 | 100° | 77° | 89° | — | — |
| 1979 | 92° | 74° | 83° | — | — |
| 1978 | 102° | 76° | 89° | — | — |
| 1977 | 92° | 76° | 84° | 0.21" | — |
| 1976 | 94° | 77° | 85° | — | — |
| 1975 | 99° | 75° | 87° | — | — |
| 1974 | 99° | 79° | 89° | — | — |
| 1973 | 90° | 73° | 81° | — | — |
| 1972 | 97° | 77° | 87° | — | — |
| 1971 | 89° | 75° | 82° | — | — |
Dallas, TX Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Dallas, TX Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Dallas, TX Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Dallas, TX
Most pleasant months in Dallas, TX: March, April, October, November.
What to expect on August 18th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
August 18th outlook →