Herald California Climate Data

Monthly Average Climate Data for Herald California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.9 °C13.2 °C93.98 mm
February5.1 °C16.1 °C87.12 mm
March6.7 °C18.9 °C69.6 mm
April8.1 °C22 °C40.39 mm
May10.8 °C26.3 °C22.86 mm
June13.3 °C30.6 °C4.83 mm
July14.8 °C33.4 °C0.25 mm
August14.6 °C32.9 °C0.76 mm
September13.3 °C31.2 °C2.79 mm
October9.8 °C25.7 °C22.61 mm
November5.7 °C18.3 °C45.72 mm
December3.6 °C13.3 °C88.14 mm
Annual9.1 °C23.5 °C479.05 mm

Climate Data for Herald California

Average First Frost DateDec. 1 - Dec. 10
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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