Grover Beach California Climate Data

Monthly Average Climate Data for Grover Beach California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January7.7 °C17.9 °C74.68 mm
February7.8 °C17.9 °C87.38 mm
March8.2 °C18.6 °C71.12 mm
April8.7 °C20.3 °C21.59 mm
May9.7 °C19.9 °C10.16 mm
June11.1 °C21.4 °C2.29 mm
July12.6 °C21.4 °C1.78 mm
August12.6 °C21.3 °C0.51 mm
September12 °C22 °C2.03 mm
October10.9 °C22 °C17.53 mm
November9.3 °C20.4 °C36.58 mm
December7.3 °C17.8 °C64.77 mm
Annual9.8 °C20.1 °C390.42 mm

Climate Data for Grover Beach 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 10a : -1.1°C to 1.7°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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