Boronda California Climate Data

Monthly Average Climate Data for Boronda California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January5.6 °C15.8 °C82.3 mm
February6.2 °C16.3 °C79.76 mm
March6.9 °C17 °C61.98 mm
April7.7 °C17.8 °C32 mm
May9.5 °C18.7 °C10.67 mm
June10.9 °C19.6 °C2.29 mm
July12.4 °C19.9 °C0.76 mm
August12.7 °C20.7 °C1.02 mm
September11.9 °C21.6 °C1.52 mm
October9.7 °C21.4 °C20.32 mm
November7.1 °C18.4 °C45.21 mm
December5.3 °C15.8 °C82.55 mm
Annual8.8 °C18.6 °C420.38 mm

Climate Data for Boronda California

Average First Frost DateDec. 21 - Dec. 31
Average Last Frost DateFeb. 11 - Feb. 20
Average Days With Frost5-10 Days
Plant Hardiness Zone - 2023Zone 9b : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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