Foresthill California Climate Data

Monthly Average Climate Data for Foresthill California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January36.1 °F52.1 °F9.4 in.
February35.9 °F53.5 °F9.08 in.
March38.2 °F58.1 °F7.75 in.
April40.8 °F63.2 °F4.57 in.
May47.8 °F71.6 °F2.81 in.
June56.4 °F81.8 °F0.81 in.
July64.2 °F89.7 °F0.0 in.
August65.0 °F89.5 °F0.1 in.
September59.0 °F83.5 °F0.58 in.
October51.2 °F71.2 °F2.73 in.
November42.2 °F58.2 °F5.43 in.
December36.2 °F50.3 °F10.04 in.
Annual47.8 °F68.6 °F53.3 in.

Climate Data for Foresthill California

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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