Palo Alto California Climate Data

Monthly Average Climate Data for Palo Alto California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January5.7 °C14.7 °C77.72 mm
February6.7 °C16.2 °C89.41 mm
March7.9 °C18 °C55.37 mm
April8.8 °C19.9 °C27.43 mm
May10.8 °C22.1 °C11.68 mm
June12.3 °C24.7 °C3.3 mm
July13.8 °C25.6 °C0 mm
August13.9 °C25.7 °C0.76 mm
September13.2 °C25.6 °C1.52 mm
October11.1 °C23.2 °C15.24 mm
November7.8 °C18.1 °C38.1 mm
December5.5 °C14.7 °C83.06 mm
Annual9.8 °C20.7 °C403.59 mm

Climate Data for Palo Alto 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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