Humboldt Hill California Climate Data

Monthly Average Climate Data for Humboldt Hill California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January5.7 °C12.6 °C206.5 mm
February5.6 °C13.2 °C163.83 mm
March5.7 °C13.7 °C164.34 mm
April6.4 °C15.1 °C108.2 mm
May8.1 °C16.1 °C47.5 mm
June9.4 °C17.4 °C26.42 mm
July11.1 °C18.1 °C8.89 mm
August11.2 °C18.7 °C4.57 mm
September9.7 °C19.1 °C18.29 mm
October8 °C17.9 °C59.44 mm
November6.7 °C14.7 °C131.57 mm
December5.2 °C12.2 °C225.81 mm
Annual7.7 °C15.7 °C1165.36 mm

Climate Data for Humboldt Hill California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateMar. 1 - Mar. 10
Average Days With Frost10-20 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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