Boronda California Climate Data

Monthly Average Climate Data for Boronda California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January42.0 °F60.5 °F3.24 in.
February43.2 °F61.3 °F3.14 in.
March44.5 °F62.6 °F2.44 in.
April45.8 °F64.0 °F1.26 in.
May49.1 °F65.6 °F0.42 in.
June51.7 °F67.2 °F0.09 in.
July54.3 °F67.8 °F0.03 in.
August54.8 °F69.2 °F0.04 in.
September53.4 °F70.9 °F0.06 in.
October49.4 °F70.6 °F0.8 in.
November44.8 °F65.2 °F1.78 in.
December41.5 °F60.4 °F3.25 in.
Annual47.9 °F65.4 °F16.55 in.

Climate Data for Boronda California

Average First Frost DateDec. 21 - Dec. 31
Average Last Frost DateFeb. 1 - Feb. 10
Average Days With Frost5-10 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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