Round Rock Texas Climate Data

Monthly Average Climate Data for Round Rock Texas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January37.8 °F61.3 °F2.63 in.
February41.4 °F64.7 °F2.1 in.
March48.3 °F71.6 °F3.03 in.
April55.3 °F78.8 °F2.65 in.
May64.4 °F85.3 °F4.51 in.
June71.0 °F91.7 °F3.6 in.
July73.1 °F94.9 °F2.67 in.
August72.7 °F96.0 °F2.43 in.
September67.5 °F90.2 °F3.44 in.
October57.3 °F81.6 °F4.26 in.
November46.8 °F70.3 °F3.11 in.
December39.3 °F62.4 °F2.78 in.
Annual56.2 °F79.1 °F37.21 in.

Climate Data for Round Rock Texas

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate