Palermo California Climate Data

Monthly Average Climate Data for Palermo California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January38.9 °F55.7 °F5.53 in.
February41.3 °F60.9 °F4.94 in.
March43.8 °F65.8 °F4.66 in.
April46.8 °F71.8 °F1.91 in.
May52.9 °F80.4 °F1.26 in.
June58.7 °F88.8 °F0.45 in.
July62.5 °F94.7 °F0.02 in.
August60.8 °F93.2 °F0.06 in.
September57.1 °F88.7 °F0.22 in.
October50.5 °F78.6 °F1.29 in.
November42.8 °F64.5 °F2.75 in.
December38.6 °F55.6 °F6.01 in.
Annual49.6 °F74.9 °F29.1 in.

Climate Data for Palermo California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateMar. 1 - Mar. 10
Average Days With Frost30-40 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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