Waterloo California Climate Data

Monthly Average Climate Data for Waterloo California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.7 °C13.2 °C86.11 mm
February4.9 °C16.2 °C75.95 mm
March6.4 °C19.2 °C62.99 mm
April8 °C22.4 °C36.83 mm
May10.7 °C26.4 °C17.27 mm
June13.1 °C30.6 °C4.57 mm
July14.6 °C33.2 °C0.25 mm
August14.4 °C32.6 °C1.02 mm
September13.1 °C30.8 °C2.79 mm
October9.5 °C25.8 °C20.83 mm
November5.6 °C18.5 °C39.12 mm
December3.3 °C13.4 °C78.99 mm
Annual8.9 °C23.5 °C426.72 mm

Climate Data for Waterloo California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9b : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9a : -6.7°C to -3.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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