Grover Beach California Climate Data

Monthly Average Climate Data for Grover Beach California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January45.8 °F64.3 °F2.94 in.
February46.1 °F64.3 °F3.44 in.
March46.8 °F65.5 °F2.8 in.
April47.6 °F68.6 °F0.85 in.
May49.5 °F67.9 °F0.4 in.
June51.9 °F70.6 °F0.09 in.
July54.6 °F70.6 °F0.07 in.
August54.7 °F70.3 °F0.02 in.
September53.6 °F71.6 °F0.08 in.
October51.7 °F71.6 °F0.69 in.
November48.8 °F68.7 °F1.44 in.
December45.1 °F64.1 °F2.55 in.
Annual49.7 °F68.2 °F15.37 in.

Climate Data for Grover Beach California

Average First Frost DateDec. 21 - Dec. 31
Average Last Frost DateFeb. 1 - Feb. 10
Average Days With Frost5-10 Days
Plant Hardiness Zone - 2023Zone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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