Onyx California Climate Data

Monthly Average Climate Data for Onyx California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.3 °C14.5 °C67.56 mm
February2.1 °C15.7 °C65.28 mm
March3.9 °C18.5 °C32 mm
April6.3 °C21.5 °C15.24 mm
May10.6 °C26.4 °C5.84 mm
June15 °C32.1 °C2.79 mm
July18.1 °C36.2 °C3.81 mm
August17.3 °C36.2 °C5.59 mm
September14.6 °C32.7 °C3.3 mm
October8.9 °C26.1 °C12.95 mm
November3.9 °C19.1 °C18.03 mm
December0.8 °C13.9 °C34.8 mm
Annual8.6 °C24.4 °C267.19 mm

Climate Data for Onyx California

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost50-75 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 ConditionsNormal
Köppen Climate ClassificationBWh - Hot Desert Climate
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