Historical Weather in Round Rock, TX
See 55+ years of weather history for any date in Round Rock going back to 1970.
Part of Texas weather history
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Today in Round Rock Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Round Rock, TX, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 97°F / Low: 72°F
Coldest MonthJanuaryAvg High: 60°F / Low: 37°F
Jan
60°/ 37°
💧 6.3"
❄️ 57.4"
Feb
65°/ 41°
💧 6.4"
❄️ 1.9"
Mar
74°/ 50°
💧 6.7"
Apr
80°/ 56°
💧 10.1"
May
86°/ 64°
💧 13.2"
Jun
93°/ 71°
💧 10.2"
Jul
96°/ 73°
💧 11.0"
Aug
97°/ 72°
💧 10.0"
Sep
91°/ 68°
💧 12.1"
Oct
82°/ 57°
💧 14.0"
Nov
70°/ 47°
💧 7.8"
Dec
64°/ 42°
💧 6.2"
❄️ 0.3"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Round Rock Temperature Records
- Record High: The hottest temperature ever recorded in Round Rock, TX is 112°F, set on September 5, 2000.
- Record Low: The coldest temperature ever recorded in Round Rock, TX is -2°F, set on December 23, 1989.
- Data Coverage: Based on 19 years of data from NOAA weather station: AUSTIN GREAT HILLS.
All-Time Record High
112°F
September 5, 2000
All-Time Record Low
-2°F
December 23, 1989
Monthly Temperature Records in Round Rock
| Month | Record High | Record Low |
|---|---|---|
| January | 90°F(1971) | 6°F(1982) |
| February | 99°F(1996) | 4°F(2021) |
| March | 98°F(1971) | 17°F(2014) |
| April | 99°F(1996) | 31°F(2007) |
| May | 102°F(2011) | 37°F(2016) |
| June | 109°F(2012) | 46°F(1995) |
| July | 110°F(2018) | 56°F(1995) |
| August | 112°F(2011) | 55°F(1995) |
| September | 112°F(2000) | 34°F(1983) |
| October | 101°F(2024) | 28°F(1993) |
| November | 93°F(1988) | 20°F(1976) |
| December | 89°F(2024) | -2°F(1989) |
Round Rock Snow RecordsSee the top 10 snowiest days ever recorded
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