Rockwall Texas Climate Data

Monthly Average Climate Data for Rockwall Texas

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.7 °C13.1 °C65.02 mm
February3.7 °C15.4 °C74.17 mm
March7.8 °C19.6 °C95.25 mm
April12 °C23.8 °C90.68 mm
May17.2 °C27.9 °C124.21 mm
June21.6 °C32.4 °C97.28 mm
July23.3 °C34.7 °C53.09 mm
August23.1 °C34.9 °C63.75 mm
September19.2 °C31.3 °C78.23 mm
October12.9 °C25.7 °C119.38 mm
November7.3 °C19.1 °C84.84 mm
December2.8 °C14.2 °C90.93 mm
Annual12.7 °C24.3 °C1036.83 mm

Climate Data for Rockwall Texas

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8a : -12.2°C to -9.4°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com