Weather on August 15
Round Rock, TX
55 Years of Data
Avg High
96°F
Avg Low
72°F
Warmest
2011
91°F avg
Coldest
2004
72°F avg
About This Date
August 15th in Round Rock, TX typically brings hot summer weather, with average highs around 96°F and lows near 72°F. Over 55 years of records, the warmest August 15th was in 2011 (91°F average), while the coldest was 2004 (72°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 15th dates historically, with the wettest August 15th recording 7.06" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Round Rock, 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 | 101° | 76° | 88° | — | — |
| 2024 | 98° | 77° | 88° | — | — |
| 2023 | 106° | 76° | 91° | — | — |
| 2022 | 92° | 75° | 83° | 0.03" | — |
| 2021 | 95° | 73° | 84° | — | — |
| 2020 | 104° | 76° | 90° | — | — |
| 2019 | 101° | 75° | 88° | — | — |
| 2018 | 96° | 74° | 85° | — | — |
| 2017 | 96° | 74° | 85° | — | — |
| 2016 | 78° | 69° | 74° | 7.06" | — |
| 2015 | 99° | 77° | 88° | — | — |
| 2014 | 96° | 67° | 81° | — | — |
| 2013 | 101° | 73° | 87° | — | — |
| 2012 | 101° | 76° | 88° | — | — |
| 2011warmest | 104° | 77° | 91° | — | — |
| 2010 | 101° | 77° | 89° | — | — |
| 2009 | 98° | 73° | 86° | — | — |
| 2008 | 101° | 71° | 86° | — | — |
| 2007 | 98° | 73° | 86° | — | — |
| 2006 | 98° | 74° | 86° | — | — |
| 2005 | 93° | 74° | 83° | — | — |
| 2004coldest | 83° | 62° | 72° | — | — |
| 2003 | 88° | 66° | 77° | 1.22" | — |
| 2002 | 95° | 75° | 85° | — | — |
| 2001 | 94° | 71° | 82° | 0.64" | — |
| 2000 | 99° | 73° | 86° | — | — |
| 1999 | 102° | 76° | 89° | — | — |
| 1998 | 82° | 69° | 76° | 0.43" | — |
| 1997 | 96° | 75° | 86° | — | — |
| 1996 | 96° | 68° | 82° | — | — |
| 1995 | 93° | 75° | 84° | — | — |
| 1994 | 96° | 72° | 84° | — | — |
| 1993 | 100° | 75° | 88° | — | — |
| 1992 | 91° | 67° | 79° | 0.97" | — |
| 1991 | 86° | 70° | 78° | 1.96" | — |
| 1990 | 96° | 74° | 85° | — | — |
| 1989 | 87° | 70° | 78° | 0.13" | — |
| 1988 | 99° | 71° | 85° | — | — |
| 1987 | 100° | 76° | 88° | — | — |
| 1986 | 97° | 77° | 87° | — | — |
| 1985 | 98° | 72° | 85° | — | — |
| 1984 | 96° | 67° | 81° | 0.13" | — |
| 1983 | 96° | 71° | 84° | — | — |
| 1982 | 102° | 74° | 88° | — | — |
| 1981 | 102° | 73° | 88° | — | — |
| 1980 | 98° | 70° | 84° | — | — |
| 1979 | 96° | 67° | 81° | — | — |
| 1978 | 100° | 72° | 86° | — | — |
| 1977 | 104° | 72° | 88° | — | — |
| 1976 | 97° | 73° | 85° | — | — |
| 1975 | 96° | 73° | 85° | — | — |
| 1974 | 95° | 72° | 83° | — | — |
| 1973 | 97° | 65° | 81° | 0.03" | — |
| 1972 | 94° | 69° | 81° | — | — |
| 1971 | 93° | 72° | 82° | — | — |
55 years of data from GEORGETOWN