Weather on August 17
Round Rock, TX
55 Years of Data
Avg High
98°F
Avg Low
73°F
Warmest
1982
90°F avg
Coldest
2016
76°F avg
About This Date
August 17th in Round Rock, TX typically brings hot summer weather, with average highs around 98°F and lows near 73°F — a 25°F daily swing. Over 30 years of records, the warmest August 17th was in 1982 (90°F average), while the coldest was 2016 (76°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 17th dates historically, with the wettest August 17th recording 1.93" of rain.
Planning for August 17th 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 | 99° | 74° | 86° | — | — |
| 2024 | 100° | 76° | 88° | — | — |
| 2023 | 104° | 71° | 88° | — | — |
| 2022 | 98° | 74° | 86° | — | — |
| 2021 | 93° | 69° | 81° | — | — |
| 2020 | 104° | 74° | 89° | — | — |
| 2019 | 102° | 76° | 89° | — | — |
| 2018 | 100° | 74° | 87° | — | — |
| 2017 | 97° | 77° | 87° | — | — |
| 2016coldest | 78° | 73° | 76° | 1.93" | — |
| 2015 | 97° | 71° | 84° | — | — |
| 2014 | 102° | 76° | 89° | — | — |
| 2013 | 93° | 69° | 81° | — | — |
| 2012 | 100° | 76° | 88° | — | — |
| 2011 | 103° | 75° | 89° | — | — |
| 2010 | 104° | 73° | 89° | 0.99" | — |
| 2009 | 100° | 75° | 88° | — | — |
| 2008 | 92° | 72° | 82° | — | — |
| 1982warmest | 104° | 75° | 90° | — | — |
| 1981 | 99° | 72° | 85° | 1.02" | — |
| 1980 | 95° | 73° | 84° | — | — |
| 1979 | 95° | 67° | 81° | — | — |
| 1978 | 100° | 73° | 87° | — | — |
| 1977 | 106° | 72° | 89° | — | — |
| 1976 | 95° | 69° | 82° | 0.13" | — |
| 1975 | 98° | 72° | 85° | — | — |
| 1974 | 96° | 72° | 84° | — | — |
| 1973 | 94° | 69° | 81° | — | — |
| 1972 | 95° | 69° | 82° | — | — |
| 1971 | 91° | 67° | 79° | — | — |
30 years of data from GEORGETOWN