Hartland California Climate Data

Monthly Average Climate Data for Hartland California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January33.9 °F52.0 °F6.13 in.
February33.2 °F51.2 °F5.81 in.
March35.8 °F54.7 °F5.18 in.
April38.8 °F58.5 °F2.85 in.
May46.1 °F67.5 °F1.39 in.
June53.9 °F78.0 °F0.46 in.
July60.6 °F85.6 °F0.18 in.
August59.8 °F85.6 °F0.09 in.
September55.6 °F80.1 °F0.22 in.
October46.4 °F69.4 °F1.55 in.
November38.9 °F58.5 °F2.85 in.
December33.6 °F51.1 °F5.26 in.
Annual44.7 °F66 °F31.97 in.

Climate Data for Hartland California

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°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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