Newcastle California Climate Data

Monthly Average Climate Data for Newcastle California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.7 °C12.9 °C124.21 mm
February4.6 °C15.2 °C116.33 mm
March6.1 °C17.6 °C102.87 mm
April7.3 °C20.3 °C58.42 mm
May10.4 °C25.2 °C37.08 mm
June13.8 °C30.3 °C9.65 mm
July16.4 °C34.3 °C0 mm
August16.2 °C33.6 °C0.76 mm
September14.1 °C30.7 °C5.08 mm
October10.3 °C24.9 °C35.81 mm
November6.2 °C17.5 °C71.88 mm
December3.3 °C12.7 °C123.95 mm
Annual9.4 °C22.9 °C686.04 mm

Climate Data for Newcastle California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost20-30 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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