Herald California Climate Data

Monthly Average Climate Data for Herald California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January39.0 °F55.7 °F3.7 in.
February41.1 °F60.9 °F3.43 in.
March44.0 °F66.0 °F2.74 in.
April46.5 °F71.6 °F1.59 in.
May51.5 °F79.4 °F0.9 in.
June55.9 °F87.0 °F0.19 in.
July58.6 °F92.2 °F0.01 in.
August58.3 °F91.3 °F0.03 in.
September55.9 °F88.1 °F0.11 in.
October49.6 °F78.2 °F0.89 in.
November42.3 °F64.9 °F1.8 in.
December38.4 °F56.0 °F3.47 in.
Annual48.4 °F74.3 °F18.86 in.

Climate Data for Herald California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateFeb. 21 - Feb. 29
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 ClassificationCsb - Warm-Summer Mediterranean Climate
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