Hartley California Climate Data

Monthly Average Climate Data for Hartley California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January38.6 °F56.5 °F5.3 in.
February41.0 °F61.2 °F5.33 in.
March43.9 °F66.1 °F3.42 in.
April46.8 °F71.3 °F1.42 in.
May51.8 °F78.8 °F0.78 in.
June56.4 °F86.7 °F0.16 in.
July58.7 °F91.9 °F0.0 in.
August57.8 °F90.9 °F0.02 in.
September56.2 °F88.1 °F0.07 in.
October50.6 °F78.8 °F0.98 in.
November43.1 °F65.6 °F2.25 in.
December38.4 °F56.6 °F5.23 in.
Annual48.6 °F74.4 °F24.96 in.

Climate Data for Hartley 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 : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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