Castroville Texas Climate Data

Monthly Average Climate Data for Castroville Texas

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January4.7 °C18 °C43.43 mm
February6.8 °C20.4 °C40.39 mm
March10.6 °C23.9 °C61.72 mm
April14.2 °C27.6 °C60.45 mm
May18.9 °C30.9 °C102.36 mm
June22.1 °C34 °C88.65 mm
July23 °C35.4 °C59.94 mm
August22.9 °C36.1 °C67.56 mm
September20.4 °C32.9 °C80.01 mm
October15.4 °C28.7 °C87.12 mm
November9.7 °C22.7 °C60.45 mm
December5.6 °C18.7 °C42.93 mm
Annual14.5 °C27.4 °C795.01 mm

Climate Data for Castroville Texas

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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