Weather on August 20
Round Rock, TX
55 Years of Data
About This Date
August 20th 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 55 years of records, the warmest August 20th was in 1999 (91°F average), while the coldest was 1992 (65°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 15% of August 20th dates historically, with the wettest August 20th recording 6.93" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Round Rock, TX? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 98° | 70° | 84° | 0.05" | — |
| 2024 | 103° | 74° | 88° | — | — |
| 2023 | 105° | 75° | 90° | — | — |
| 2022 | 89° | 72° | 80° | 1.17" | — |
| 2021 | 97° | 76° | 86° | — | — |
| 2020 | 100° | 67° | 83° | — | — |
| 2019 | 101° | 77° | 89° | — | — |
| 2018 | 100° | 75° | 88° | — | — |
| 2017 | 99° | 73° | 86° | — | — |
| 2016 | 91° | 71° | 81° | 0.28" | — |
| 2015 | 96° | 72° | 84° | — | — |
| 2014 | 92° | 75° | 83° | — | — |
| 2013 | 94° | 67° | 80° | — | — |
| 2012 | 87° | 71° | 79° | — | — |
| 2011 | 106° | 74° | 90° | — | — |
| 2010 | 99° | 75° | 87° | — | — |
| 2009 | 97° | 77° | 87° | — | — |
| 2008 | 86° | 70° | 78° | 4.55" | — |
| 2007 | 93° | 74° | 83° | — | — |
| 2006 | 102° | 73° | 88° | — | — |
| 2005 | 93° | 73° | 83° | — | — |
| 2004 | 89° | 68° | 79° | 6.93" | — |
| 2003 | 97° | 73° | 85° | — | — |
| 2002 | 97° | 76° | 86° | — | — |
| 2001 | 94° | 71° | 82° | 0.38" | — |
| 2000 | 104° | 72° | 88° | — | — |
| 1999warmest | 104° | 77° | 91° | — | — |
| 1998 | 95° | 73° | 84° | — | — |
| 1997 | 97° | 74° | 85° | — | — |
| 1996 | 96° | 67° | 81° | — | — |
| 1995 | 97° | 75° | 86° | — | — |
| 1994 | 94° | 75° | 84° | — | — |
| 1993 | 99° | 72° | 85° | — | — |
| 1992coldest | 73° | 57° | 65° | 0.05" | — |
| 1991 | 98° | 69° | 84° | — | — |
| 1990 | 99° | 73° | 86° | — | — |
| 1989 | 99° | 74° | 86° | — | — |
| 1988 | 97° | 70° | 83° | — | — |
| 1987 | 98° | 71° | 85° | — | — |
| 1986 | 100° | 74° | 87° | — | — |
| 1985 | 103° | 74° | 88° | — | — |
| 1984 | 106° | 75° | 90° | — | — |
| 1983 | 83° | 65° | 74° | 0.2" | — |
| 1982 | 101° | 73° | 87° | — | — |
| 1981 | 92° | 68° | 80° | — | — |
| 1980 | 101° | 71° | 86° | — | — |
| 1979 | 97° | 69° | 83° | — | — |
| 1978 | 102° | 70° | 86° | — | — |
| 1977 | 100° | 72° | 86° | — | — |
| 1976 | 92° | 68° | 80° | — | — |
| 1975 | 98° | 78° | 88° | — | — |
| 1974 | 95° | 72° | 83° | — | — |
| 1973 | 98° | 69° | 84° | — | — |
| 1972 | 95° | 69° | 82° | — | — |
| 1971 | 94° | 69° | 81° | — | — |
Round Rock, TX Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Round Rock, TX Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Round Rock, TX Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Round Rock, TX
Round Rock, TX has no months that meet our "pleasant" threshold — every season has tradeoffs.