Barstow California Climate Data

Monthly Average Climate Data for Barstow California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.3 °C15.6 °C17.27 mm
February3.1 °C17.8 °C20.57 mm
March5.6 °C21.3 °C13.21 mm
April8.9 °C24.8 °C5.59 mm
May12.9 °C29.8 °C1.78 mm
June17.3 °C35.7 °C0.51 mm
July20.8 °C38.6 °C8.13 mm
August20.6 °C38.3 °C3.3 mm
September16.3 °C34.3 °C3.56 mm
October10.5 °C27.7 °C6.86 mm
November4.3 °C20.2 °C7.62 mm
December0.6 °C14.8 °C19.3 mm
Annual10.2 °C26.6 °C107.7 mm

Climate Data for Barstow California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 9a : -6.7°C to -3.9°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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