Weather on August 31
Round Rock, TX
55 Years of Data
Avg High
95°F
Avg Low
71°F
Warmest
2011
90°F avg
Coldest
1976
77°F avg
About This Date
August 31st in Round Rock, TX typically brings hot summer weather, with average highs around 95°F and lows near 71°F. Over 30 years of records, the warmest August 31st was in 2011 (90°F average), while the coldest was 1976 (77°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 31st dates historically, with the wettest August 31st recording 4.22" of rain.
Planning for August 31st 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 | 97° | 73° | 85° | 0.81" | — |
| 2024 | 92° | 72° | 82° | — | — |
| 2023 | 100° | 69° | 85° | — | — |
| 2022 | 86° | 72° | 79° | 2.24" | — |
| 2021 | 93° | 72° | 82° | 0.76" | — |
| 2020 | 99° | 77° | 88° | — | — |
| 2019 | 98° | 73° | 86° | — | — |
| 2018 | 97° | 69° | 83° | — | — |
| 2017 | 89° | 65° | 77° | — | — |
| 2016 | 88° | 71° | 79° | — | — |
| 2015 | 94° | 73° | 83° | — | — |
| 2014 | 95° | 72° | 83° | — | — |
| 2013 | 102° | 73° | 88° | — | — |
| 2012 | 98° | 70° | 84° | — | — |
| 2011warmest | 104° | 75° | 90° | — | — |
| 2010 | 99° | 78° | 88° | — | — |
| 2009 | 91° | 69° | 80° | — | — |
| 2008 | 94° | 71° | 82° | 0.15" | — |
| 1982 | 100° | 74° | 87° | 4.22" | — |
| 1981 | 93° | 70° | 81° | — | — |
| 1980 | 98° | 74° | 86° | — | — |
| 1979 | 98° | 65° | 81° | — | — |
| 1978 | 93° | 66° | 80° | — | — |
| 1977 | 100° | 69° | 85° | — | — |
| 1976coldest | 84° | 69° | 77° | 0.13" | — |
| 1975 | 92° | 68° | 80° | — | — |
| 1974 | 88° | 69° | 78° | 0.79" | — |
| 1973 | 94° | 69° | 81° | 0.13" | — |
| 1972 | 94° | 70° | 82° | — | — |
| 1971 | 94° | 66° | 80° | — | — |
30 years of data from GEORGETOWN