Weather on August 9
Richardson, TX
55 Years of Data
Avg High
97°F
Avg Low
77°F
Warmest
2011
94°F avg
Coldest
1989
69°F avg
About This Date
August 9th in Richardson, TX typically brings hot summer weather, with average highs around 97°F and lows near 77°F. Over 55 years of records, the warmest August 9th was in 2011 (94°F average), while the coldest was 1989 (69°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 9% of August 9th dates historically, with the wettest August 9th recording 4.06" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for August 9th in Richardson, 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 | 98° | 79° | 88° | — | — |
| 2024 | 92° | 80° | 86° | — | — |
| 2023 | 105° | 82° | 94° | — | — |
| 2022 | 99° | 80° | 89° | — | — |
| 2021 | 94° | 77° | 85° | — | — |
| 2020 | 97° | 77° | 87° | — | — |
| 2019 | 98° | 79° | 88° | — | — |
| 2018 | 96° | 71° | 84° | 4.06" | — |
| 2017 | 89° | 73° | 81° | — | — |
| 2016 | 100° | 80° | 90° | — | — |
| 2015 | 104° | 80° | 92° | — | — |
| 2014 | 100° | 77° | 89° | — | — |
| 2013 | 102° | 82° | 92° | — | — |
| 2012 | 106° | 75° | 90° | — | — |
| 2011warmest | 105° | 83° | 94° | — | — |
| 2010 | 99° | 80° | 89° | — | — |
| 2009 | 95° | 78° | 87° | — | — |
| 2008 | 99° | 76° | 87° | — | — |
| 2007 | 96° | 76° | 86° | — | — |
| 2006 | 102° | 80° | 91° | — | — |
| 2005 | 89° | 75° | 82° | — | — |
| 2004 | 94° | 78° | 86° | — | — |
| 2003 | 87° | 74° | 80° | 0.08" | — |
| 2002 | 96° | 74° | 85° | — | — |
| 2001 | 102° | 81° | 91° | — | — |
| 2000 | 98° | 78° | 88° | — | — |
| 1999 | 103° | 82° | 92° | — | — |
| 1998 | 103° | 79° | 91° | — | — |
| 1997 | 92° | 70° | 81° | — | — |
| 1996 | 93° | 76° | 84° | — | — |
| 1995 | 96° | 77° | 87° | — | — |
| 1994 | 91° | 72° | 81° | — | — |
| 1993 | 99° | 79° | 89° | — | — |
| 1992 | 95° | 80° | 88° | — | — |
| 1991 | 95° | 80° | 88° | — | — |
| 1990 | 96° | 71° | 84° | — | — |
| 1989coldest | 80° | 58° | 69° | — | — |
| 1988 | 103° | 83° | 93° | — | — |
| 1987 | 101° | 82° | 91° | — | — |
| 1986 | 97° | 78° | 87° | — | — |
| 1985 | 102° | 81° | 91° | — | — |
| 1984 | 97° | 79° | 88° | — | — |
| 1983 | 94° | 73° | 83° | — | — |
| 1982 | 95° | 75° | 85° | — | — |
| 1981 | 96° | 71° | 84° | — | — |
| 1980 | 102° | 81° | 91° | — | — |
| 1979 | 92° | 71° | 81° | 1.88" | — |
| 1978 | 94° | 74° | 84° | — | — |
| 1977 | 99° | 79° | 89° | — | — |
| 1976 | 102° | 77° | 90° | — | — |
| 1975 | 95° | 75° | 85° | — | — |
| 1974 | 100° | 77° | 89° | — | — |
| 1973 | 95° | 76° | 85° | — | — |
| 1972 | 98° | 77° | 88° | 1.91" | — |
| 1971 | 93° | 75° | 84° | 0.46" | — |
55 years of data from RICHARDSON