Palermo California Climate Data

Monthly Average Climate Data for Palermo California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.8 °C13.2 °C140.46 mm
February5.2 °C16.1 °C125.48 mm
March6.6 °C18.8 °C118.36 mm
April8.2 °C22.1 °C48.51 mm
May11.6 °C26.9 °C32 mm
June14.8 °C31.6 °C11.43 mm
July16.9 °C34.8 °C0.51 mm
August16 °C34 °C1.52 mm
September13.9 °C31.5 °C5.59 mm
October10.3 °C25.9 °C32.77 mm
November6 °C18.1 °C69.85 mm
December3.7 °C13.1 °C152.65 mm
Annual9.8 °C23.8 °C739.13 mm

Climate Data for Palermo California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateMar. 1 - Mar. 10
Average Days With Frost30-40 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 ConditionsAbnormally Dry
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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