Southlake Texas Climate Data

Monthly Average Climate Data for Southlake Texas

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.7 °C13.6 °C63.5 mm
February3.7 °C15.7 °C69.34 mm
March8 °C20 °C86.61 mm
April12.3 °C24.4 °C86.36 mm
May17.7 °C28.6 °C117.6 mm
June22.2 °C33.1 °C97.28 mm
July24.1 °C35.5 °C56.64 mm
August24 °C35.6 °C59.18 mm
September19.9 °C31.7 °C80.26 mm
October13.6 °C26 °C111 mm
November7.6 °C19.4 °C72.64 mm
December2.8 °C14.5 °C76.45 mm
Annual13.1 °C24.8 °C976.86 mm

Climate Data for Southlake Texas

Average First Frost DateNov. 21 - Nov. 30
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 ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate