Weather on August 9
Round Rock, TX
55 Years of Data
Avg High
97°F
Avg Low
72°F
Warmest
2011
91°F avg
Coldest
1983
72°F avg
About This Date
August 9th in Round Rock, TX typically brings hot summer weather, with average highs around 97°F and lows near 72°F — a 25°F daily swing. Over 54 years of records, the warmest August 9th was in 2011 (91°F average), while the coldest was 1983 (72°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 20% of August 9th dates historically, with the wettest August 9th recording 4.24" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for August 9th in Round Rock, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 101° | 75° | 88° | — | — |
| 2024 | 100° | 73° | 87° | — | — |
| 2023 | 105° | 76° | 90° | — | — |
| 2022 | 99° | 74° | 86° | — | — |
| 2021 | 94° | 77° | 85° | — | — |
| 2020 | 99° | 74° | 86° | — | — |
| 2019 | 101° | 77° | 89° | — | — |
| 2018 | 100° | 74° | 87° | — | — |
| 2017 | 87° | 71° | 79° | — | — |
| 2016 | 98° | 76° | 87° | — | — |
| 2015 | 100° | 74° | 87° | — | — |
| 2014 | 102° | 75° | 89° | — | — |
| 2013 | 102° | 73° | 88° | — | — |
| 2012 | 101° | 75° | 88° | — | — |
| 2011warmest | 105° | 77° | 91° | — | — |
| 2010 | 97° | 76° | 86° | — | — |
| 2009 | 99° | 76° | 87° | — | — |
| 2008 | 100° | 73° | 87° | — | — |
| 2007 | 94° | 74° | 84° | — | — |
| 2006 | 98° | 74° | 86° | — | — |
| 2005 | 93° | 67° | 80° | 3.56" | — |
| 2004 | 84° | 67° | 75° | — | — |
| 2002 | 93° | 73° | 83° | 1.09" | — |
| 2001 | 101° | 75° | 88° | — | — |
| 2000 | 101° | 75° | 88° | 0.13" | — |
| 1999 | 98° | 76° | 87° | — | — |
| 1998 | 99° | 72° | 85° | — | — |
| 1997 | 94° | 65° | 79° | 2.01" | — |
| 1996 | 99° | 72° | 85° | 0.61" | — |
| 1995 | 94° | 71° | 82° | — | — |
| 1994 | 96° | 71° | 84° | 4.24" | — |
| 1993 | 99° | 74° | 86° | — | — |
| 1992 | 94° | 74° | 84° | — | — |
| 1991 | 99° | 72° | 85° | — | — |
| 1990 | 92° | 67° | 79° | — | — |
| 1989 | 85° | 63° | 74° | — | — |
| 1988 | 106° | 71° | 88° | 0.1" | — |
| 1987 | 98° | 74° | 86° | — | — |
| 1986 | 97° | 72° | 84° | — | — |
| 1985 | 102° | 75° | 89° | — | — |
| 1984 | 97° | 73° | 85° | — | — |
| 1983coldest | 81° | 64° | 72° | 3.66" | — |
| 1982 | 93° | 74° | 83° | 3.81" | — |
| 1981 | 98° | 67° | 82° | — | — |
| 1980 | 95° | 71° | 83° | — | — |
| 1979 | 95° | 68° | 82° | 0.33" | — |
| 1978 | 97° | 67° | 82° | — | — |
| 1977 | 102° | 72° | 87° | — | — |
| 1976 | 101° | 72° | 86° | — | — |
| 1975 | 92° | 68° | 80° | — | — |
| 1974 | 93° | 68° | 81° | 4.06" | — |
| 1973 | 97° | 74° | 85° | — | — |
| 1972 | 94° | 72° | 83° | — | — |
| 1971 | 93° | 68° | 81° | — | — |
54 years of data from GEORGETOWN